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TEXTRON AVIATION INC.AIRCRAFT DIVISION
WICHITA, KANSAS 67277
AES PRODUCTION IMPROVEMENTSICA Supplement
MODEL NO: 525
SUPPLEMENT NO: ICA-525-24-00004SUPPLEMENT DATE: 8/04/2021
© TEXTRON AVIATION INC.Form 2261 Rev 1
TEXTRON AVIATION INC.AIRCRAFT DIVISION
WICHITA, KANSAS 67277
REVISIONS
ICA-525-24-00004 Rev: - Date: Aug/04/2021
ICA Summary Pages 1-6
Manuals Affected Description TitleModel 525 (Airplanes-0685 and -0800 and On)Maintenance Manual
SupplierPublications ListPages 1-8
Supplier Publications List
• Added Concorde Aux Battery to table. It is new, but uses same RG series manual as main battery.
Model 525 (Airplanes-0685 and -0800 and On)Maintenance Manual
24-38-00 Pages201-205
Auxiliary Power - Maintenance Practices
• Added note with serialization and separate views to Figure 201 of the Gill and Concorde Batteryinstallations (both are typical, but look a little different).
Appendix A: Model 525(Airplanes -0685 and -0800and On) Illustrated PartsCatalog
See AttachedParts Table
23-10-01 Figure01, Pages 1-4
GDR 66 VHF Datalink (Airplanes 0685 and 0800 & On)
23-50-01 Figure03, Pages 1-14
Dual Audio System (Airplanes 1097 & On)
24-30-03 Figure03, Pages 1-6
Power Distribution (Airplanes 1097 & On)
24-60-01 Figure06, Pages 1-20
Power J-Box (Airplanes 1097 & On)
32-40-01 Figure03, Pages 1-8
Brake Control (Airplanes 1097 & On)
Appendix B: Model 525(Airplanes -0685 and -0800and On) Wiring DiagramManual
34-57-01 Figure01, Pages 1-10
Transponder and TCAS (Airplanes 0685 and 0800 & On)
1. Export ComplianceA. This publication contains technical data and is subject to U.S. export regulations. This information has
been exported from the United States in accordance with export administration regulations. Diversioncontrary to U.S. law is prohibited.ECCN: 9E991
2. Revision BarsA. Revision bars in this ICA supplement identify new ICAs and/or changes to the current ICAs in the
released maintenance manual.• New ICAs that are not in the current maintenance manual will have a revision bar from top to
bottom along the left margin.• ICAs that are in the current maintenance manual and have information added, deleted or revised
will have a revision bar(s) in the left margin adjacent to the added, deleted or revised information.
Page 1 of 6Aug 04/2021
© TEXTRON AVIATION INC.ICA-525-24-00004 Form 2261 Rev 1
TEXTRON AVIATION INC.AIRCRAFT DIVISION
WICHITA, KANSAS 67277
• New or changed illustrations will have a change bar for the entire length of the page.
3. Page NumberingA. The page number system for ICA included in this supplement have three-element numbers that are
separated by dashes. The three-element number is found at the bottom right corner of the page, leftof the page number. The date is found below the page number.
B. When the chapter/system element number is followed with zeros in the section/subsystem andsubject/unit element number (28-00-00), the information is applicable to the entire system.
C. When the section/subsystem element number is followed with zeros in the subject/unit elementnumber (28-21-00), the information is applicable to the subsystems in the system.
D. The subject/unit element number is used to identify information applicable to units in the subsystems.The subject/unit element number continues in sequence from the number -01- with the number ofsubsystem units in which maintenance information is necessary.
E. All system/subsystem/unit (chapter/section/subject) maintenance data is separated into specifiedtypes of information: Description and Operation, Troubleshooting, Maintenance Practices, etc.Blocks of page numbers that are in sequence are used to identify the type of information:(1) Description and Operation or Troubleshooting information may not be included if the procedure
is easy. When subtopics are short, they may be put together into the Maintenance Practicessection. Maintenance Practices can have a mix of subtopics that includes information to service,remove, install, adjust, test, clean, paint or do approved repairs.
(2) Longer procedures that are not as easy to do may be included in a specified section.Page 1 through 99 - Description and OperationPage 101 through 199 - TroubleshootingPage 201 through 299 - Maintenance PracticesPage 301 through 399 - ServicingPage 401 through 499 - Removal/InstallationPage 501 through 599 - Adjustment/TestPage 601 through 699 - Inspection/CheckPage 701 through 799 - Cleaning/PaintingPage 801 through 899 - Approved Repairs
F. A typical page number:
Page 2 of 6Aug 04/2021
© TEXTRON AVIATION INC.ICA-525-24-00004 Form 2261 Rev 1
TEXTRON AVIATION INC.AIRCRAFT DIVISION
WICHITA, KANSAS 67277
G. Illustrations use the same figure numbers as the page block in which they appear. For example, Figure202 would be the second figure in a Maintenance Practices section.
4. Supplement RevisionsA. Revisions to this supplement may be accomplished if changes to this supplement are required after
release of the original issue and prior to incorporation into the manuals listed in the REVISIONS table.B. All revisions to this supplement will have changes identified in detail in the revision block(s) above.C. All pages in this ICA supplement will have the same date and are valid as of the date shown.
5. ICA Incorporation into Applicable Manuals
NOTE: Most ICA supplements will be incorporated in the next available revision to the manualslisted above and should be used in conjunction with those manuals until the next availablerevision is released.
A. The ICA Supplement List located in the Introduction section of each manual listed in the REVISIONStable will indicate the incorporation status as of the release date of the published revision.
B. The manual revision level of the supplement incorporation will be listed in the "Manual IncorporationStatus" column in the ICA Supplement List, when those ICAs associated with that manual have beenincorporated. After ICAs are incorporated, the manual that they are incorporated in must now be usedfor those ICAs instead of the supplement.• Based on revision cycle times for the affected manuals, MM ICAs, WDM ICAs, etc. in this
supplement may be incorporated in the manuals at different times.• There will not be a revision to this supplement to indicate incorporation in the manuals. Users are
required to check the ICA Supplement List for each manual affected to determine incorporationstatus.
C. This supplement will be completely superseded by the manuals listed in the REVISIONS table whenit has been incorporated in all of the manuals.
Page 3 of 6Aug 04/2021
© TEXTRON AVIATION INC.ICA-525-24-00004 Form 2261 Rev 1
TEXTRON AVIATION INC.AIRCRAFT DIVISION
WICHITA, KANSAS 67277
INTRODUCTION
1. PurposeA. The purpose of this Supplement is to provide the maintenance technician with the information
necessary to ensure the correct functionality and performance of the AES Production Improvementson the Cessna Model 525 (Airplanes -0685 and -0800 and On) until this information gets incorporatedinto the next revision to the manuals listed in the "REVISIONS" section of this supplement.
B. This ICA supplement is designed to satisfy the requirements of 14 CFR 23.1529 "Instructions forContinued Airworthiness" associated with this installation. This document is a supplement to theModel 525 (Airplanes -0685 and -0800 and On) Maintenance Manual and will be incorporated in thenext revision to the manual.
C. When this information is incorporated in the next revision to the manuals listed in the "REVISIONS"section, those manuals shall take precedence over this supplemental document. Refer to the "ICASupplement List" in the "Introduction" section of the respective manual for the status of all applicableICA Supplements.
D. Revisions to this supplement may occur if there is a change to any of the ICAs in this supplementprior to incorporation into all of the affected manuals.
NOTE: This document must be placed with the aircraft operator's Technical Library CD-ROM orModel 525 (Airplanes -0685 and -0800 and On) Maintenance Manual and incorporatedinto the operator's scheduled maintenance program.
2. EffectivityA. These Instructions for Continued Airworthiness (ICA) are effective for the following aircraft model and
serialization.
Model Beginning Effectivity Ending Effectivity
525 -1097 and On
3. Complete ICA DocumentsA. The following document(s), in conjunction with this supplement, constitute the Instructions for
Continued Airworthiness for the AES Production Improvements on the Cessna Model 525 (Airplanes-0685 and -0800 and On). All items must be available to the operator at initial delivery.(1) Model 525 (Airplanes -0685 and -0800 and On) Maintenance Manual(2) Model 525 (Airplanes -0685 and -0800 and On) Wire Diagram Manual
4. System ComponentsA. Refer to Appendix A: Illustrated Parts Catalog
Page 4 of 6Aug 04/2021
© TEXTRON AVIATION INC.ICA-525-24-00004 Form 2261 Rev 1
TEXTRON AVIATION INC.AIRCRAFT DIVISION
WICHITA, KANSAS 67277
LIST OF INSTRUCTIONS FOR CONTINUED AIRWORTHINESS
1. Model 525 (Airplanes -0685 and -0800 and On) Maintenance ManualA. Introduction
(1) Supplier Publication ListB. Chapter 24, Electrical Power
(1) ATA 24-38-00 Auxiliary Power - Maintenance Practices
2. Model 525 (Airplanes -0685 and -0800 and On) Wiring Diagram ManualA. Chapter 23, Communications
(1) ATA 23-10-01, Figure 01, GDR 66 VHF Datalink (Airplanes 0685 and 0800 & On).(2) ATA 23-50-01, Figure 03, Dual Audio System (Airplanes 1097 & On).
B. Chapter 24, Electrical Power(1) ATA 24-30-03 Figure 03, Power Distribution (Airplanes 1097 & On).(2) ATA 24-60-01 Figure 06, Power J-Box (Airplanes 1097 & On).
C. Chapter 32, Landing Gear(1) ATA 32-40-01 Figure 03, Brake Control (Airplanes 1097 & On).
D. Chapter 34, Navigation(1) ATA 34-57-01, Figure 01, Transponder and TCAS (Airplanes 0685 and 0800 & On).
Page 5 of 6Aug 04/2021
© TEXTRON AVIATION INC.ICA-525-24-00004 Form 2261 Rev 1
TEXTRON AVIATION INC.AIRCRAFT DIVISION
WICHITA, KANSAS 67277
INSPECTION PROGRAM AND AIRWORTHINESS LIMITATIONS
1. Continuous Inspection ProgramA. This ICA Supplement does not affect the current inspection program.
2. Airworthiness LimitationsA. Cessna Aircraft Company Model 525 (Airplanes -0685 and -0800 and On), Chapter 4, Airworthiness
Limitations, contains the system and airframe limitations for the Model 525 (Airplanes -0685 and -0800and On).
NOTE: The Airworthiness Limitations section is FAA-approved and specifies maintenancerequired under Section 43.16 and 91.403 of Title 14 Code of Federal Regulations, unlessan alternative program has been FAA approved.
(1) There are no new (or additional) airworthiness limitations associated with this equipment and/orinstallation.
Page 6 of 6Aug 04/2021
© TEXTRON AVIATION INC.ICA-525-24-00004 Form 2261 Rev 1
CESSNA®MODEL 525 (SERIALS -0685 AND -0800 AND ON)
MAINTENANCE MANUAL
SUPPLIER PUBLICATION LIST
1. GeneralA. This section gives you a list of some of the supplier publications for the Model 525 Airplane. Use the
supplier publication list to cross reference the component part number and the applicable supplierpublication part number to find the correct supplier publication. It can be necessary to have specialtools and equipment to complete some of the maintenance procedures in the supplier publications.Some supplier publications may also have certification requirements for the related components.Refer to Table 1 for the supplier publication list.
Table 1. Supplier Publication List
Component Component PartNumber
SupplierPublication Title
SupplierPublication Part
Number
Supplier
Chapter 21 - Air Conditioning0113-12 Blower Supplier PN: 0113-12 Minor Repair
MaintenanceManual
MM-0113 Aerospace Systems& Components, Inc.5201 E. 36th St. N.Wichita, KS 67220
ControllerPressurization
Cessna PN:9912409-1Supplier PN:527700-001
ComponentMaintenanceManual withIllustrated PartsList
S1477 Kollsman Inc.220 Daniel WebsterHighwayMerrimack, NH03054-4809
ControllerPressurization
Cessna PN:9912409-5Supplier PN:52770-111
ComponentMaintenanceManual withIllustrated PartsList
S1496 Kollsman Inc.220 Daniel WebsterHighwayMerrimack, NH03054-4809
Cabin AltitudeController
Cessna PN:9912409-6Supplier PN:52770-112
Operation andDescriptionManual KollsmanAutoschedelePressurizationSystem (KAPS)Cessna Model 525
S1501 Kollsman Inc.220 Daniel WebsterHighwayMerrimack, NH03054-4809
Compressor/CondenserModule Assembly
Cessna PN:9912459-8Supplier PN:1134400-31
Operating,Servicing andComponetMaintenanceManual WithIllustrated PartsList for CessnaModel 525 R134AAir-ConditioningSystems
21-00-05 Enviro SystemsInc., SeminoleAirpark4000 Hwy 99 N.P.O. Box 1260Seminole, OK74868-1260
SUPPLIER PUBLICATION LIST Page 1© TEXTRON AVIATION INC. Aug 04/2021
ICA-525-24-00004 Form 2261 Rev 1
CESSNA®MODEL 525 (SERIALS -0685 AND -0800 AND ON)
MAINTENANCE MANUAL
Table 1. Supplier Publication List (continued)Component Component Part
NumberSupplier
Publication TitleSupplier
Publication PartNumber
Supplier
ForwardEvaporatorModule Assembly
Cessna PN:9912459-9Supplier PN:1134820-13
Operating,Servicing andComponetMaintenanceManual WithIllustrated PartsList for CessnaModel 525 R134AAir-ConditioningSystems
21-00-05 Enviro SystemsInc., SeminoleAirpark4000 Hwy 99 N.P.O. Box 1260Seminole, OK74868-1260
Aft EvaporatorModule Assembly
Cessna PN:9912459-10Supplier PN:1134820-14
Operating,Servicing andComponetMaintenanceManual WithIllustrated PartsList for CessnaModel 525 R134AAir-ConditioningSystems
21-00-05 Enviro SystemsInc., SeminoleAirpark4000 Hwy 99 N.P.O. Box 1260Seminole, OK74868-1260
ManualToggle Valve-PressurizationControl
Cessna PN:9912409-4Supplier PN:52773-001
ComponentMaintenanceManual withIllustrated PartsList
S1480 Kollsman Inc.220 Daniel WebsterHighwayMerrimack, NH03054-4809
PneumaticShutoff Valve
Cessna PN:9912421-1Supplier PN:4713-2
ComponentMaintenanceManual withIllustrated PartsList
MM4713-2 Aerospace Systems& Components, Inc.1620 S. BroadmoorWichita, KS 67207
PneumaticShutoff Valve
Cessna PN:9912422-1Supplier PN:2601-7
ComponentMaintenanceManual withIllustrated PartsList
MM2601-7 Aerospace Systems& Components, Inc.1620 S. BroadmoorWichita, KS 67207
Primary Valve-Pressurization
Cessna PN:9912409-2Supplier PN:52771-001, 52771-101
ComponentMaintenanceManual withIllustrated PartsList
S1478 Kollsman Inc.220 Daniel WebsterHighwayMerrimack, NH03054-4809
Primary Valve-Pressurization
Cessna PN:9912409-18Supplier PN:52771-301, 52771-331
ComponentMaintenanceManual withIllustrated PartsList
Contact Supplier Kollsman Inc.220 Daniel WebsterHighwayMerrimack, NH03054-4809
SUPPLIER PUBLICATION LIST Page 2© TEXTRON AVIATION INC. Aug 04/2021
ICA-525-24-00004 Form 2261 Rev 1
CESSNA®MODEL 525 (SERIALS -0685 AND -0800 AND ON)
MAINTENANCE MANUAL
Table 1. Supplier Publication List (continued)Component Component Part
NumberSupplier
Publication TitleSupplier
Publication PartNumber
Supplier
Secondary Valve-Pressurization
Cessna PN:9912409-3Supplier PN:52772-001, 52772-101
ComponentMaintenanceManual withIllustrated PartsList
S1479 Kollsman Inc.220 Daniel WebsterHighwayMerrimack, NH03054-4809
Chapter 22 - CommunicationsGSM 86 ServoMount
Supplier PN: GSM 86 GSM 86 ServoGear BoxInstallation Manual
190-00303-83 GarminInternational, Inc.1200 E. 151st St.Olathe, KS 66062
Chapter 23 - CommunicationsCollins HF-9000High FrequencyCommunicationsSystems
Collins HF-9000High FrequencyCommunicationsSystem InstructionManual,
523-0774345-206211
Rockwell Collins400 Collins Rd NECedar Rapids, IA52498
NAV/COMM TestSet (IFR 4000)
IFR-4000 Aeroflex NAV/COMM TestSet IFR 4000Operation Manual
AC0823CD AeroflexWichita Division10200 West YorkWichita, , KS 67215
Compact Disc(CD) Player
Supplier PN:DCC-9770
Mid ContinentControls, Inc.219 S. WaterDerby, KS 67037
Cockpit VoiceRecorder(FA2100)
Supplier PN:2100-1025-22
Model FA2100CVR Installationand OperationManual
165E1689-00 L3 CommunicationsAviation RecordersP.O. Box 3041Sarasota, FL 34230
Flitefone VISystem
Supplier PN:400-0123-212
Flitefone VIInstallation/Operation Manual
150-0119-000 WulfsbergElectronics, Inc.11300 W. 89th St.Overland Park, KS66214
Chapter 24 - Electrical PowerBattery(Marathon)
Cessna PN:9914058-6Supplier PN:30978-002
Marathon Manual 24-34-00 MarathonNorcoAerospace, Inc.P.O. Box 8233Waco, TX 76714
Battery(Concorde)
Cessna PN:S3597-8,Supplier PN:RG-380E/44LA5
Auxiliary Battery(Concorde)
Supplier PN: RG24-15M
Concorde BatteryCorporationComponentMaintenanceManual RG SeriesMain AircraftBattery
24-30-71 (5-0171) Concorde BatteryCorporation2009 SanBernardino RoadWest Covina, CA91790
SUPPLIER PUBLICATION LIST Page 3© TEXTRON AVIATION INC. Aug 04/2021
ICA-525-24-00004 Form 2261 Rev 1
CESSNA®MODEL 525 (SERIALS -0685 AND -0800 AND ON)
MAINTENANCE MANUAL
Table 1. Supplier Publication List (continued)Component Component Part
NumberSupplier
Publication TitleSupplier
Publication PartNumber
Supplier
Battery andCharger System
Supplier PN: CBS2 889778
ComponentMaintenanceManual withIllustrated PartsList
24-31-03 Derlan Incorporated24422 Avendia DeLa CarlotaSan Diego, CA92165-3360
Auxiliary Battery(Gill)
Cessna PN: 7243-16T Teledyne BatteryProducts (LTValve- RegulatedLead-Acid AircraftBatteries)
TD14-8-01 Teledyne BatteryProducts840 W. BrocktonAvenue,Redlands,, CA,92374
DC Converter Supplier PN: LT55A LT55A DCConverterRemoval andInstallation Manual
24-30-00 KGS Electronics,Inc.418A E. Live OakAve.Arcadia, CA91006-5690
DC StarterGenerator
Cessna PN:9912125-1Supplier PN:23085-4
DC Starter-GeneratorOverhaul Manualwith IllustratedParts List
Lucas AerospacePower EquipmentCorp.777 Lena DriveAurora, OH 44202
Fuel Flow ControlCard
Cessna PN:9912417-2Supplier PN:85-230-1
ComponentMaintenanceManual
73-30-12 Ragan DataSystems3 Oval Dr.Central Islip, NY11722
Chapter 25 - Equipment/FurnishingsSupplier PN:1429
GoodrichComponentMaintenanceManual Model1429
25-10-29 Aircraft InteriorProducts - GoodrichCorp.1275 N. NewportRoadColorado Springs,CO 80916
Crew Seat (Pilotsand Copilots)
Supplier PN:2049
MillenniumComponentMaintenanceManual withIllustrated partsList Model Number2049
2049-CMM027 Millennium9050 W. MonroeCircleWichita, KS 67209
Artex ELT Test Set(SARSAT Tester)
Supplier PN:455-9100
Artex ELT Test Set(ETS) OperationManual
570-1000 Artex AircraftSupplies, Inc.14405 Keil Road NEAurora, OR 97002
SUPPLIER PUBLICATION LIST Page 4© TEXTRON AVIATION INC. Aug 04/2021
ICA-525-24-00004 Form 2261 Rev 1
CESSNA®MODEL 525 (SERIALS -0685 AND -0800 AND ON)
MAINTENANCE MANUAL
Table 1. Supplier Publication List (continued)Component Component Part
NumberSupplier
Publication TitleSupplier
Publication PartNumber
Supplier
Artex C406-NEmergencyLocatorTransmitter (ELT)
Supplier PN 453-5060 Artex 406MHzEmergencyLocatorTransmittersDescription,Operation,Installation andMaintenanceManual
570-5000 Artex AircraftSupplies, Inc.14405 Keil Road NEAurora, OR 97002
Chapter 27 - Flight ControlsGarmin GSM 86Elevator TrimServo Gearbox
Supplier PN:GSM 86
Installation Manual 190-00303-83 GarminInternational, Inc.1200 E. 151rstStreetOlathe, KS 66062
Chapter 29 - Hydraulic PowerHydraulicManifoldAssembly
Cessna PN:9912423-48Supplier PN:8250-3
ComponentMaintenanceManual withIllustrated PartsList
29-00-06 PneuDraulics, Inc.8575 Helms AvenueRanchoCucamonga, CA91730
Chapter 30 - Ice and Rain ProtectionASC-0113 Supplier PN: 0113-12 Minor Repair
MaintenanceManual
MM-0113 Aerospace Systems& Components, Inc.1620 BroadmoorWichita, KS 67207
Isolation Shut-OffValve
Cessna PN:9912403-1Supplier PN:2602-15
ComponentMaintenanceManual withIllustrated PartsList
MM2602-15 Aerospace Systems& Components, Inc.1620 BroadmoorWichita, KS 67207
Chapter 31 - Indicating/Recording SystemsDigital Clock Supplier PN: M877A5V Digital Clock Davtron, Inc.
427 Hillcrest WayRedwood City , CA94062-4012
Chapter 32 - Landing GearNose LandingGear ActuatorAssemblyHydraulic
Cessna PN:9912370-5Supplier PN:1541900-7
ComponentMaintenanceManual withIllustrated PartsList
32-31-23 NabtescoAerospace Inc.17770 N.E. 78thPlaceRedmond, WA98052-4960
SUPPLIER PUBLICATION LIST Page 5© TEXTRON AVIATION INC. Aug 04/2021
ICA-525-24-00004 Form 2261 Rev 1
CESSNA®MODEL 525 (SERIALS -0685 AND -0800 AND ON)
MAINTENANCE MANUAL
Table 1. Supplier Publication List (continued)Component Component Part
NumberSupplier
Publication TitleSupplier
Publication PartNumber
Supplier
Main LandingGear ActuatorAssemblyHydraulic
Cessna PN:9912397-8Supplier PN:1541800-13
ComponentMaintenanceManual withIllustrated PartsList
32-32-23 NabtescoAerospace Inc.
Main LandingGear BrakeAssembly
Cessna PN:9912398-8Supplier PN:2-1559-3
ComponentMaintenanceManual withIllustrated PartsList
32-46-46 GoodrichAircraft Wheels andBrakes Div.P.O. Box 340Troy, OH45373-3835
Main LandingGear WheelAssembly
Cessna PN:9912398-7Supplier PN:3-1527-2
ComponentMaintenanceManual withIllustrated PartsList
32-45-45 GoodrichAircraft Wheels andBrakes Div.
Nose LandingGear WheelAssembly
Cessna PN:9914069-2Supplier PN:3-1418-OPT2
ComponentMaintenanceManual withIllustrated PartsList
32-47-42 GoodrichAircraft Wheels andBrakes Div.
Wheel SpeedTransducer
Cessna PN:9912305-2Supplier PN:40-955
ComponentMaintenanceManual WithIllustrated PartsList Wheel SpeedTransducer
32-40-93 Crane Co.Hydro-Aire Div.3000 Winona Ave.P.O. Box 7722Burbank, CA 91510
Chapter 34 - NavigationNAV/COMM TestSet (IFR 4000)
Supplier PN IFR 4000 Aeroflex NAV/COMM TestSet IFR 4000Operation Manual
AC0823CD Aeroflex WichitaDivision10200 West YorkWichita, KS 67215
Garmin G3000IntergratedAvionics System
G3000 Garmin G3000IntegratedAvionics SystemLine MaintenanceManual
P/N 190-01847-00 or
190-02656-00
GarminInternational, Inc.1200 E. 151st St.Olathe, KS 66062
L-3 ElectronicStandby Indicator
Supplier PN: ESI-1000 L-3CommunicationsAvionics Systems,Electronic StandbySystem ESI-1000
9200-32100-() L-3CommunicationsAvionics Systems5353 52nd Street,S.E.Grand Rapids, MI49512-9704
SUPPLIER PUBLICATION LIST Page 6© TEXTRON AVIATION INC. Aug 04/2021
ICA-525-24-00004 Form 2261 Rev 1
CESSNA®MODEL 525 (SERIALS -0685 AND -0800 AND ON)
MAINTENANCE MANUAL
Table 1. Supplier Publication List (continued)Component Component Part
NumberSupplier
Publication TitleSupplier
Publication PartNumber
Supplier
WX-1000EStormscopeWeather MappingSystem
Cessna PN78-8060-6086-5
Stormscope seriesII WX-1000EInstallation Manual
78-8051-9150-5 L-3CommunicationsAvionics Systems5353 52nd Street,S.E.Grand Rapids, MI49512-9704
WX-1000EStormscopeWeather MappingSystem
BF GoodrichModel WX-PAManual
78-8060-5798 L-3CommunicationsAvionics Systems
WX-1000EStormscopeWeather MappingSystem
L3CommunicationsPilots Guide forthe WX-1000EStormscopeSeries II WeatherMapping System
75-0299-7690-1 L-3CommunicationsAvionics Systems
Garmin GSA8X/GSA86Autopilot Servosand Mounts
GSA 8X/GSM86(A) InstallationManual (LatestRevision)
190-00303-83 GarminInternational, Inc.1200 E. 151st St.Olathe, KS 66062
Garmin GSA8X/GSA85Autopilot Servosand Mounts
GSA 8X/GSM85(A) InstallationManual (LatestRevision)
190-00303-72 GarminInternational, Inc.
Chapter 36 - PneumaticPrecooler Cessna PN:
9914402-2Supplier PN:8161-1
ComponentMaintenanceManual
21-50-01 TAT AeroEquipmentIndustries, Ltd.1600 Wissotsky,GederaIsrael
Chapter 71 - PowerplantWilliamsInternationalFJ44-1APTurbofan Engine
Cessna PN:9912680-3
WilliamsInternationalFJ44-1AP LineMaintenanceManual
73568 WilliamsInternational2280 E. West MapleRd.Walled Lake, MI48390
Chapter 73 - Engine Fuel ControlFuel FlowTransmitter
Cessna PN:9912417-1Supplier PN:TFF1573-4
ComponentMaintenanceManual withIllustrated PartsList
73-30-12 Armtec/Ragen, Inc.10 Ammon Dr.Manchester, NH03103-7406
Chapter 77 - Engine Indicating
SUPPLIER PUBLICATION LIST Page 7© TEXTRON AVIATION INC. Aug 04/2021
ICA-525-24-00004 Form 2261 Rev 1
CESSNA®MODEL 525 (SERIALS -0685 AND -0800 AND ON)
MAINTENANCE MANUAL
Table 1. Supplier Publication List (continued)Component Component Part
NumberSupplier
Publication TitleSupplier
Publication PartNumber
Supplier
Fuel ProbeAssembly
Supplier PN:10664T0*Y00
ComponentMaintenanceManual withIllustrated PartsList
77-41-09 AMETEK Inc.U.S. Gauge Div.900 Clymer Ave.Sellersville, PA18960
Fuel QuantitySignalConditioner(FQSC)
Supplier PN:10598BO1Y00
ComponentMaintenanceManual withIllustrated PartsList
77-41-08 AMETEK Inc.U.S. Gauge Div.900 Clymer Ave.Sellersville, PA18960
Fuel QuantitySignalConditioner(FQSC)
Supplier PN:10635BO*Y00
ComponentMaintenanceManual withIllustrated PartsList
77-41-08 AMETEK Inc.U.S. Gauge Div.900 Clymer Ave.Sellersville, PA18960
Fuel QuantitySignalConditioner(FQSC)
Supplier PN:10663BO1Y0*
ComponentMaintenanceManual withIllustrated PartsList
77-41-08 AMETEK Inc.U.S. Gauge Div.900 Clymer Ave.Sellersville, PA18960
Chapter 80 - StartingStarter Generator Supplier PN: MG94D-4 Component
MaintenanceManual withIllustrated PartsList
00E6H7-MAN-MG94
AMETEKADVANCEDINDUSTRIES, Inc.4550 SOUTHEASTBLVDWichita, KS67210-1623
SUPPLIER PUBLICATION LIST Page 8© TEXTRON AVIATION INC. Aug 04/2021
ICA-525-24-00004 Form 2261 Rev 1
CESSNA®MODEL 525 (SERIALS -0685 AND -0800 AND ON)
MAINTENANCE MANUAL
AUXILIARY POWER - MAINTENANCE PRACTICES
1. GeneralA. This section gives the maintenance practices for the auxiliary battery (UN900) and the auxiliary
junction box (J-Box). For a general description of the auxiliary battery and the auxiliary J-Box, referto Auxiliary Power - Description and Operation.
2. Tools and EquipmentA. For a list of tools and equipment, refer to Electrical Power - General.B. For specific troubleshooting, servicing, and repair procedures for the battery, refer to the battery
manufacturer's maintenance manual given in the Introduction, Supplier Publication List.
3. Auxiliary Battery Removal/Installation
NOTE: Airplanes -1097 and On will have a Concorde auxiliary battery installed. Airplanes -0685and -0800 thru -1096 will have a Gill auxiliary battery installed. The two batteries have smalldifferences in appearance, but the removal and installation procedures for the differentbatteries are typical.
A. Remove the Auxiliary Battery (Refer to Figure 201).(1) Remove the electrical power from the airplane.(2) Set the BATTERY switch on the ELECTRICAL POWER switch panel in the cockpit to the OFF
position.(3) Open the left nose baggage compartment door. Refer to Chapter 6, Dimensions and Areas -
Description and Operation.(4) Remove nose baggage compartment panels 211JZ and 212GZ to get access to the auxiliary
battery (UN900). Refer to Chapter 6, Access Plates and Panels Identification - Description andOperation.
(5) Disconnect the auxiliary battery connector (PN912) from the auxiliary J-Box connector (JN912).(6) Disconnect the vent tube from the auxiliary battery.
(a) Put protective covers on the openings of the battery vent and the vent tube.(7) Loosen the knobs on the top of the retainer rods.
(a) Lift the knobs and move the retainer rods over the bar assembly and away from the battery.(b) Remove the bar assembly from the battery.
(8) Remove the cover and use the handle to remove the auxiliary battery from the airplane.B. Install the Auxiliary Battery (Refer to Figure 201).
(1) Make sure that the auxiliary battery (UN900) and the battery support structure are clean.(2) Put the auxiliary battery in its position on the battery support structure.(3) Put the bar assembly in its position on the battery.(4) Lift the knobs and move the retainer rods in their position on the bar assembly and the battery.
(a) Tighten the knobs on the top of the retainer rods.(5) Remove the protective covers from the openings of the auxiliary battery vent and the vent tube.(6) Connect the vent tube to the auxiliary battery.(7) Connect the auxiliary battery connector (PN912) to the auxiliary J-Box connector (JN912).(8) Install nose baggage compartment panels 211JZ and 212GZ. Refer to Chapter 6, Access Plates
and Panels Identification - Description and Operation.(9) Close the left nose baggage compartment door. Refer to Chapter 6, Dimensions and Areas -
Description and Operation.
4. Auxiliary Junction Box Removal/InstallationA. Remove the Auxiliary Junction Box (Refer to Figure 202).
(1) Remove the electrical power from the airplane.(2) Put the BATTERY switch on the ELECTRICAL POWER switch panel in the cockpit to the OFF
position.(3) Open the left nose baggage compartment door. Refer to Chapter 6, Dimensions and Areas -
Description and Operation.
24-38-00 Page 201© TEXTRON AVIATION INC. Aug 04/2021
ICA-525-24-00004 Form 2261 Rev 1
CESSNA®MODEL 525 (SERIALS -0685 AND -0800 AND ON)
MAINTENANCE MANUAL
A89193
6310T1168A6318T1859
A
Vent Tube
Gill Auxiliary Battery(UN900)
Knob
Retainer Rod
Auxiliary J-BoxConnector(JN912)
Auxiliary BatteryConnector(PN912)
DETAIL A
Bar Assembly
Auxiliary Battery InstallationFigure 201 (Sheet 1)
24-38-00 Page 202© TEXTRON AVIATION INC. Aug 04/2021
ICA-525-24-00004 Form 2261 Rev 1
CESSNA®MODEL 525 (SERIALS -0685 AND -0800 AND ON)
MAINTENANCE MANUAL
A110680
6310T1168A6318T1859
A
Vent Tube
Concorde Auxiliary Battery(UN900)
Knob
Retainer Rod
Auxiliary J-BoxConnector(JN912)
Auxiliary BatteryConnector(PN912)
DETAIL A
Bar Assembly
Auxiliary Battery InstallationFigure 201 (Sheet 2)
24-38-00 Page 203© TEXTRON AVIATION INC. Aug 04/2021
ICA-525-24-00004 Form 2261 Rev 1
CESSNA®MODEL 525 (SERIALS -0685 AND -0800 AND ON)
MAINTENANCE MANUAL
A89214
6310T1168A6318T1860
A
GroundingStructure
Ground Bolt(GN900)
Washer
Lock Washer
Nut
Angle BracketSupport Bracket
Screw
ElectricalConnector(JZ108)
ElectricalConnector(PZ108)
Auxiliary J−BoxScrew
Auxiliary J−BoxConnector(JN912)
Auxiliary BatteryConnector(PN912)
GroundWire
DETAIL A
Auxiliary Junction Box InstallationFigure 202 (Sheet 1)
24-38-00 Page 204© TEXTRON AVIATION INC. Aug 04/2021
ICA-525-24-00004 Form 2261 Rev 1
CESSNA®MODEL 525 (SERIALS -0685 AND -0800 AND ON)
MAINTENANCE MANUAL
(4) Remove nose baggage compartment panels 211JZ and 212GZ to get access to the auxiliaryjunction box (J-Box). Refer to Chapter 6, Access Plates and Panels Identification - Descriptionand Operation.
(5) Disconnect the auxiliary battery connector (PN912 ) from the auxiliary J-Box connector (JN912).(a) Remove the screws that attach the auxiliary J-Box connector to the support bracket.
(6) Disconnect the electrical connector (PZ108) from the auxiliary J-Box electrical receptacle (JZ108).
(7) Remove the nut, lock washer, washer, and ground bolt (GN900) that attaches the ground wireto the grounding structure.
(8) Remove the screws that attach the auxiliary J-Box to the support bracket.(a) Remove the auxiliary J-Box from the airplane.
B. Install the Auxiliary Junction Box (Refer to Figure 202).(1) Put the auxiliary junction box (J-Box) in its position on the support bracket.
(a) Install the screws.(2) Put the ground bolt (GN900), ground wire, washer, lock washer, and nut in their position on the
grounding structure.(a) Torque the nut from 163 to 203 inch-pounds (18.41 to 22.93 Nm). Refer to the Citation
Standard Practices Manual, Chapter 20, Torque Data - Maintenance Practices.(3) Connect the electrical connector (PZ108) to the auxiliary J-Box electrical connector (JZ108).(4) Put the Auxiliary J-Box connector (JN912) in its position on the support bracket.
(a) Install the screws.(5) Connect the auxiliary battery connector (PN912 ) to the auxiliary J-Box connector.(6) Do an electrical bond check (Type I) from the auxiliary J-Box angle bracket to the support bracket.
Refer to the Citation Standard Practices Manual, Chapter 20, Electrical Bonding and Grounding- Maintenance Practices.
(7) With the BATTERY DISCONNECT switch in the NORM position, put the main BATTERY switchin the ON position.
(8) Make sure that the avionics power up.(9) Put the BATTERY DISCONNECT switch in the DISC position.(10) Make sure that the electrical power from both the main battery and the auxiliary battery is
simultaneously removed from all systems(11) Put the main BATTERY switch in the OFF position and put the BATTERY DISCONNECT switch
in the NORM position.(12) Install nose baggage compartment panels 211JZ and 212GZ. Refer to Chapter 6, Access Plates
and Panels Identification - Description and Operation.(13) Close the left nose baggage compartment door. Refer to Chapter 6, Dimensions and Areas -
Description and Operation.
24-38-00 Page 205© TEXTRON AVIATION INC. Aug 04/2021
ICA-525-24-00004 Form 2261 Rev 1
TEXTRON AVIATION INC.AIRCRAFT DIVISION
WICHITA, KANSAS 67277
SUPPLEMENT NO: ICA-525-24-00004
APPENDIX A: ILLUSTRATED PARTS CATALOG
Nomenclature Part Number QuantityAuxiliary Battery RG24-15M 1
Auxiliary Battery Connector 6308230-27 1
Battery Bar 6318942-17 1
Power J-Box 6318961-8 1
© TEXTRON AVIATION INC.Form 2261 Rev 1
TEXTRON AVIATION INC.AIRCRAFT DIVISION
WICHITA, KANSAS 67277
SUPPLEMENT NO: ICA-525-24-00004
APPENDIX B: WIRING DIAGRAM MANUAL
© TEXTRON AVIATION INC.Form 2261 Rev 1
23-10-01
GDR 66 VHF DATALINK
AIRPLANES 0685 AND 0800 & ON
CESSNA®
MODEL 525 (SERIALS -0685 AND -0800 AND ON)WIRING DIAGRAM MANUAL
©TEXTRON AVIATION INC.
23-10-01
Figure 01Page 1
ICA-525-24-00004 Aug/04/2021
11
P601
36372526
P603
1213
133233
3152
PI523
28
24
5432
PT552
910
874
4142
35
PT551
GIA #2 2P603
GIA #1 1P601
GMA #1 1P3471
GDR 66 P662 62 PIN
GDR 66 P661 44 PIN
12131415
1819
212223
2526
27
PA321JA321
26272829
PB421 JB421
RS-485 5ARS-485 5BRS-485 2ARS-485 2B
RS422 OUT 1ARS422 OUT 1BRS422 IN 1ARS422 IN 1B
XMIT INTERLOCK
KEY EVENT OUT
600Ω AUDIO OUT HI600Ω AUDIO OUT LO
COM MIC IN HICOM MIC KEY
SELCAL OUT HISELCAL OUT LO
COM MIC IN LO
XCVR 2 IN HIXCVR 2 IN LO
XCVR 2 IN LOXCVR 2 MIC OUT HIXCVR 2 MIC KEY OUT
RCVR 4 IN HIRCVR 4 IN LO
+28 VDC IN
GND
17
20
24
(WHT)
(WHT)
(WHT)
(WHT)
(WHT)(WHT)
(WHT)
(BLU)
(WHT)
(WHT)
(WHT)
(WHT)
(WHT)(BLU)
(BLU)(BLU)
(BLU)
(BLU)
(BLU)(BLU)
(BLU)
(BLU)
(BLU)
(BLU)
(ORN)(ORN)
11
P601GIA #2 2P601
XMIT INTERLOCK
GT015
G
PN405J1
36372526
PN408J2
G
PN406J1
LEFT NOSE PALLET
RIGHT NOSE PALLET (NOSE) (CABIN) (TAIL)(CABIN)
PT1059 PT553
COMM 3 ANTENNA
VHF COM(S86208)
30
(REF PWR DIST W/A)
AT507 30
32
+28 VDC IN
+28 VDC IN
(16)
1
26
GND
GND
5
(18)
(18)
(18)
(18)
(18)
(18)
6.
NOTES:1.
525: 91005012.
4.
5
6
*** REFER TO 91-10-01 FOR GROUND INFORMATION.
FOR SYMBOLOGY, WBA INDEX, STANDARDS AND PROCESSES REFER TO STANDARDS DRAWING 6370110.
FOR SYSTEM COLLECTORS REFER TO:
LOCATE SPLICE WITHIN 3 INCHES OF CONNECTOR.
USE 336-00044-00 CONTACTS FOR PT552 PINS 1, 24, 26, 28, 30, 32.
IF GDR66 IS NOT INSTALLED, BAG AND STOW PT1059 CONNECTOR.
UI511
YT500
UT550
UT550
REFER TO 24-30-01
REFER TO 34-61-01
REFER TO 34-61-01
9101241F3
GDR 66 VHF DATALINKFigure 01. (Sheet 1)
CESSNA®
MODEL 525 (SERIALS -0685 AND -0800 AND ON)WIRING DIAGRAM MANUAL
©TEXTRON AVIATION INC.
23-10-01
Figure 01Page 2
ICA-525-24-00004 Aug/04/2021
GDR 66 VHF DATALINK
AIRPLANES 0685 AND 0800 & ON
REF DES PART NUMBER
NOMENCLATURE
EFFECTIVITY
UNITS
PER
ASSY1 2 3 4 5 6 7
AT507 M81714/65-16-1 SPLICE 0685 - 0685
0800 & ON
01
GT015 GROUND RF
J1 MS27497E24F61S CONNECTOR 96906 0685 - 0685
0800 & ON
01
S3627-24 . BACKSHELL 01
J2 MS27497E24F61SA CONNECTOR 96906 0685 - 0685
0800 & ON
01
S3627-24 . BACKSHELL 01
JA321 MS27474T18F35SA CONNECTOR 96906 0685 - 0685
0800 & ON
01
S3627-18 . BACKSHELL 0800 - 0829 01
S3627-18-90 . BACKSHELL 96906 0830 & ON 01
JB421 MS27474E16F35SA CONNECTOR 96906 0685 - 0685
0800 & ON
01
S3627-16 . BACKSHELL 01
P601 330-00185-44 CONNECTOR - DSUB 0TRC3 0685 - 0685
0800 & ON
01
011-00950-02 . BACKSHELL ASSEMBLY 0TRC3 01
011-01169-00 . GRND ADAPTR, SHELL 1-3 0TRC3 01
P603 011-01169-01 CONNECTOR 0TRC3 0685 - 0685
0992 & ON
01
011-00950-04 . BACKSHELL ASSEMBLY 0TRC3 01
PA321 MS27484T18F35PA CONNECTOR 96906 0685 - 0685
0800 & ON
01
S3627-18 . BACKSHELL 01
PB421 MS27484T16F35PA CONNECTOR 96906 0685 - 0685
0800 & ON
01
S3627-16 . BACKSHELL 01
PI523 011-00813-01 GMA1347 - SUB-ASSEMBLY 0TRC3 0685 - 0685
0800 & ON
01
PN405 MS27484T20F41P CONNECTOR 96906 0685 - 0685
0800 & ON
01
S3627-20 . BACKSHELL 01
PN406 MS27484T20F41P CONNECTOR 96906 0685 - 0685
0800 & ON
01
S3627-20 . BACKSHELL 01
PN408 MS27484E20F35P CONNECTOR 96906 0685 - 0685
0800 & ON
01
S3627-20 . BACKSHELL 01
PT1059 190812 BNC CONNECTOR 0BCW9 0685 - 0685
0800 & ON
01
PT551 330-00776-44 CONNECTOR - 44PIN 0TRC3 0685 - 0685
0800 & ON
01
011-01855-02 . BACKSHELL W/JACKSCREW 0TRC3 01
PT552 330-00776-62 CONNECTOR - 62PIN 0TRC3 0685 - 0685
0800 & ON
01
011-01855-03 . BACKSHELL W/JACKSCREW 0TRC3 01
PT553 190808 PLUG TNC STRAIGHT 0BCW9 0685 - 0685
0800 & ON
01
UI511 GMA 36 REMOTE AUDIO RF
CESSNA®
MODEL 525 (SERIALS -0685 AND -0800 AND ON)WIRING DIAGRAM MANUAL
©TEXTRON AVIATION INC.
23-10-01
Figure 01Page 3
ICA-525-24-00004 Aug/04/2021
GDR 66 VHF DATALINK
AIRPLANES 0685 AND 0800 & ON
REF DES PART NUMBER
NOMENCLATURE
EFFECTIVITY
UNITS
PER
ASSY1 2 3 4 5 6 7
UT550 GDR 66-VHF DATA LINK RF
YT500 COMMUNICATION ANTENNA RF
CESSNA®
MODEL 525 (SERIALS -0685 AND -0800 AND ON)WIRING DIAGRAM MANUAL
©TEXTRON AVIATION INC.
23-10-01
Figure 01Page 4
ICA-525-24-00004 Aug/04/2021
23-50-01
DUAL AUDIO SYSTEM
AIRPLANES 1097 & ON
CESSNA®
MODEL 525 (SERIALS -0685 AND -0800 AND ON)WIRING DIAGRAM MANUAL
©TEXTRON AVIATION INC.
23-50-01
Figure 03Page 1
ICA-525-24-00004 Aug/04/2021
NOTES:
5
6
7
8
9
*** REFER TO 91-10-01 FOR GROUND LOCATIONS.
10
BAG AND STOW PF031 CONNECTOR IN BUNDLE NEAR RH AFT DIVIDER WHEN STEREO AMP/SPEAKERS OPTION IS INSTALLED.
CABLE ASSEMBLY AT JF031 TO BE LONG ENOUGH TO ALLOW CONNECTOR TO BE INSTALLED IN THE ENTERTAINMENT CENTER INSTALLATION. PERMISSIBLE TO USE 22AWG WIRE IN PLACE OF BRAID FOR SHIELD TIES.
BAG AND STOW CONNECTORS NEAR REFRESHMENT CENTER OR FWD DIVIDER WHEN SYSTEMS ARE NOT INSTALLED.
TIE-WRAP RELAY MODULE NEAR GMA36 #2 BOX.
INNER SHIELD M27500-22TG3T14. OUTER SHIELD AA59569R30T0281.
1.
2.
FOR SYMBOLOGY, WBA INDEX, STANDARDS AND PROCESSES REFER TO STANDARDS DRAWING 6370110 FOR SYSTEM COLLECTORS REFER TO: 525 9100501
JC5081
32
HAND MIC
PILOT HEADSET MIC JACK
PILOT PHONE JACK
OXY MIC
HDSET
SWITCH
SC5164
6
1
3
5
2
PI550
10111213
PI429 GTC 570 #1 1P5701
GMA 36 #2 2P3472
PILOT OXY MASK MIC JACK
UI512
UI429
6061
4140
PI548 GMA 36 #2 2P3471
UI512
ETHERNET TX 3AETHERNET TX 3BETHERNET RX 3AETHERNET RX 3B
X-SIDE BUS IN 1AX-SIDE BUS IN 1B
X-SIDE BUS OUT 1AX-SIDE BUS OUT 1B
CABIN
6
7
PC313JC313
CABIN
654312
JC516 HEADSET JACK
RECEPTACLE - PINOUT (FRONT VIEW)
1 65
432
MIC (L)MIC (H)HDPH R (H)HDPH L (H)+28VDCGND
1234
567
8
PC522JC522
PTT
REMOTE MIC (PTT)
9
10
MIC-INPH SWITCH
PTT(MOM)
INPH(MAINT)
SC503AD
BC
F
E
8
F
G
H
PC314JC314 CTRL COLUMN
CTRL COLUMN
CTRL WHEEL
REF SWITCH PANEL (LH SIDE CONSOLE)
REFER TO SHT 2
(BLU)(WHT)
POWERED HEADSET JACK
CGS20
DCDC10
(WHT)(BLU)
(WHT)(BLU)
(WHT)(BLU)
(WHT)(ORN)(BLU)
(ORN)
PILOT CONTROL WHEEL
REF STORMSCOPE
JC507
JC505
JC506
4140
6061
91011
2830
PI523 GMA 36 #1
1P3471
UI511
PILOT MIC IN-LOPILOT MIC AUDIO IN-HI
PILOT AUDIO OUT-RPILOT AUDIO OUT-L
PILOT AUDIO OUT-LO
X-SIDE BUS IN 1BX-SIDE BUS IN 1A
X-SIDE BUS OUT 1BX-SIDE BUS OUT 1A
19
PC520JC520
SC5241C
1NC
1NO
4
38 RS-232 TX 2RS-232 RX 239
29PILOT MIC KEY IN
7
7
CABIN OVERHD
12
1
PF904JF904
125
125
AUDIO/MKR1
POWERED HEADSET
RH CB PANEL
26
10
393816
4241
222233
13
14
3053
PI525
INPH
OXY MASK MIC SEL IN
RS-232 RX 2RS-232 TX 2
POWER GROUND
SPEAKER AUDIO OUT HISPEAKER AUDIO OUT LO
ETHERNET RX AETHERNET RX BETHERNET TX AETHERNET TX B
POWER GROUND
AIRCRAFT POWER 1AIRCRAFT POWER 2
GMA 36 #1 1P3472
UI511
REF NAV/COM W/A
FORCED FAILSAFE IN
(26)(26)(26)(26)(26)(26)
(WHT/ORN)(ORN)
(WHT/BLU)(BLU)
13 FORCED FAILSAFE INPOWER GROUND16
(WHT)(BLU)
GC007
M
PC004JC004
(WHT)(ORN)(BLU)(GRN)
C CDC10
REFER TO 34-44-01
REFER TO 27-10-01
REFER TO 34-50-01
REFER TO 24-50-02
REFER TO 31-10-01
9115202T11
DUAL AUDIO SYSTEMFigure 03. (Sheet 1)
CESSNA®
MODEL 525 (SERIALS -0685 AND -0800 AND ON)WIRING DIAGRAM MANUAL
©TEXTRON AVIATION INC.
23-50-01
Figure 03Page 2
ICA-525-24-00004 Aug/04/2021
DUAL AUDIO SYSTEM
AIRPLANES 1097 & ON
REF
DES PART NUMBER
NOMENCLATURE
EFFECTIVITY
UNITS
PER
ASSY1 2 3 4 5 6 7
CDC10 6-203736-0 CONNECTOR KIT 00779 1097 & ON 01
204814-1 . CONNECTOR 00779 01
S2099-6 . CONTACT 00779 01
S2099-8 . CONTACT 01
CGS20 6318104-2 GROUND STUD 1097 & ON 01
GC007 6318104-2 GROUND STUD (ZONE 242) 1097 & ON 01
JC004 S2099-6 CONTACT (ZONE 245) 00779 1097 & ON 01
9-203439-9 . CONNECTOR KIT 00779 01
JC313 MS27474T14F35S CONNECTOR 96906 1097 & ON 01
S3627-14 . BACKSHELL 96906 01
JC314 M39029/58-360 PLUG - 8 PIN 0TRC3 1097 & ON 01
M39029/58-360 . CONTACT PIN 0TRC3 01
JC505 S1102-1 JACK 82389 1097 & ON 01
JC506 S1102-1 JACK 82389 1097 & ON 01
JC507 S1102-3 MIC JACK 1097 & ON 01
JC508 S1102-1 JACK 82389 1097 & ON 01
JC516 PKG.M0.6SL.LN CONNECTOR S3013 1097 & ON 01
JC520 M24308/2-1 CONNECTOR 71468 1097 & ON 01
M85049/48-2-1 . STRAIN RELIEF 71468 01
JC522 LMD-4003-S CONNECTOR 49367 1097 & ON 01
LMD-4122-96LD . SOCKET 49367 01
JF904 1738012-1 SOCKET 00779 1097 & ON 01
1738169-1 . INSERT RECEPTACLE 00779 01
1738280-1 . RECEPTACLE SHELL 00779 01
PC004 3-203736-9 CONNECTOR (ZONE 245) 00779 1097 & ON 01
S2353-3 . PIN 00779 01
PC313 MS27484T14F35P CONNECTOR 96906 1097 & ON 01
S3627-14 . BACKSHELL 96906 01
PC314 SJS830100 PLUG - 8 PIN 58982 1097 & ON 01
M39029/57-354 . SOCKET CONTACT 81590 01
PC520 M24308/4-1 CONNECTOR 1097 & ON 01
M85049/48-2-1 . STRAIN RELIEF 71468 01
PC522 LMD-4003-P CONNECTOR 49367 1097 & ON 01
LMD-4022-36LJ . PIN 49367 01
PF904 EPXBH30PA PLUG INSERT 0GP12 1097 & ON 01
617221 . PIN, SIZE 20 0GP12 01
EPXB2PD12N . PLUG SHELL 0GP12 01
PI429 011-02234-01 GTC 570 - 90 DEGREE 0TRC3 1097 & ON 01
PI523 011-00813-01 GMA1347 - SUB-ASSEMBLY 0TRC3 1097 & ON 01
PI525 011-00813-01 GMA1347 - SUB-ASSEMBLY 0TRC3 1097 & ON 01
PI548 011-00813-01 GMA1347 - SUB-ASSEMBLY 0TRC3 1097 & ON 01
PI550 011-00813-01 GMA1347 - SUB-ASSEMBLY 0TRC3 1097 & ON 01
SC503 S3861-1 SWITCH 81579 1097 & ON 01
SC516 MS90311-231 SWITCH 11139 1097 & ON 01
SC524 S3178-1 SWITCH - PUSHBUTTON 1097 & ON 01
UI429 GTC 570 CONTROLLER RF
UI511 GMA 36 REMOTE AUDIO RF
UI512 GMA 36 REMOTE AUDIO RF
CESSNA®
MODEL 525 (SERIALS -0685 AND -0800 AND ON)WIRING DIAGRAM MANUAL
©TEXTRON AVIATION INC.
23-50-01
Figure 03Page 3
ICA-525-24-00004 Aug/04/2021
JF508
1
32 HAND MIC
10111213
PI428 GTC 570 #2 2P5701
215
UI428
ETHERNET OUT 3AETHERNET OUT 3BETHERNET IN 3AETHERNET IN 3B
5
PF910JF910
AUDIO/MKR2
6
7
PF313 JF313
CABIN
PTT
REMOTE MIC (PTT)
215 MIC-INPH
SWITCH
PTT(MOM)
INPH(MAINT)
SF503 AD
BC
F
E
8
F
G
H
PF314 JF314 CTRL COLUMN
CTRL COLUMN
CTRL WHEEL
12
PF904 JF904
POWERED HEADSET
(ORN)(WHT)(BLU)
REFER TO SHT 1
CGS22
19
PF520JF520
D
CDC20
E
CDC20
136
748
910
P601GIA 63W #2
UZ301
CO-PILOT HEADSET MIC JACK
JF507 CO-PILOT PHONE JACK
JF509
OXY MIC
HDSET
SWITCH
SF5164
6
1
3
5
2
CO-PILOT OXY MASK MIC JACK
JF506
CABIN
654321
JF516 HEADSET JACK RECEPTACLE - PINOUT
(FRONT VIEW)
1 65
432
MIC (L)MIC H)HDPH R (H)HDPH L (H)GND+28 VDC
REF SWITCH PANEL (RH SIDE CONSOLE)
POWERED HEADSET JACK
(WHT)(WHT)(BLU)
1234
567
8
9
PF522JF522
RH SIDE CONSOLE
2021
222324
2526
PB322JB322
NOSECABIN
COM 500OHM AUDIO OUT LOCOM 500OHM AUDIO OUT HI
SIGNAL GROUNDCOM MIC KEYCOM MIC AUDIO IN HI
AP
CBD
EF
PN406 J1
(WHT)(BLU)
(WHT)(ORN)(BLU)
(BLU)(WHT)
(WHT)(BLU)
(WHT)(ORN)(BLU)
(WHT)(BLU)
(WHT)(BLU)
10
(WHT/ORN)(ORN)
(WHT/BLU)(BLU)
RH AVN PALLET
COPILOT CONTROL WHEEL
RH CB PANEL
RH CB PANEL
REF STORMSCOPE
26
10
4241
222233
PI550
625
26278
7
91011
2830
29
PI548
ETHERNET OUT BETHERNET OUT AETHERNET IN BETHERNET IN A
SPEAKER AUDIO OUT LOSPEAKER AUDIO OUT HI
OXY MASK MIC SEL IN
INPH
CO-PILOT MIC KEY IN
CO-PILOT MIC IN-LOCO-PILOT MIC AUDIO IN-HI
CO-PILOT AUDIO OUT-LOCO-PILOT AUDIO OUT-RCO-PILOT AUDIO OUT-L
ON-SIDE COM AUDIO IN HI
ON-SIDE COM AUDIO LOON-SIDE COM MIC KEY OUTON-SIDE COM MIC AUDIO OUT HI
RECEIVER1 AUDIO IN LORECEIVER1 AUDIO IN HI
GMA 36 #2 2P3472
GMA 36 #2 2P3471
UI512
UI512
SF524
1C1NC
1NO
4
7
7
CABIN OVERHEAD
5330AIRCRAFT POWER 2
AIRCRAFT POWER 1
(26)(26)(26)(26)(26)(26)
(WHT)(BLU)
24GMA SYS ID PROG
POWER GROUND 14
CGS26
50
27
*D
*E
(WHT)(ORN)(BLU)(GRN)
B CDC21
UN404
REFER TO 34-44-01
UNSEQUELCED COM AUDIO OUT LOUNSEQUELCHED COM AUDIO OUT HI
9115202T10
DUAL AUDIO SYSTEMFigure 03. (Sheet 2)
CESSNA®
MODEL 525 (SERIALS -0685 AND -0800 AND ON)WIRING DIAGRAM MANUAL
©TEXTRON AVIATION INC.
23-50-01
Figure 03Page 4
ICA-525-24-00004 Aug/04/2021
DUAL AUDIO SYSTEM
AIRPLANES 1097 & ON
REF
DES PART NUMBER
NOMENCLATURE
EFFECTIVITY
UNITS
PER
ASSY1 2 3 4 5 6 7
CDC20 6-203736-0 CONNECTOR KIT 00779 1097 & ON 01
204814-1 . CONNECTOR 00779 01
S2099-6 . CONTACT 00779 01
S2099-8 . CONTACT 01
CDC21 6-203736-0 CONNECTOR KIT 00779 1097 & ON 01
S2099-6 . CONTACT 00779 01
CGS22 6318104-2 GROUND STUD 1097 & ON 01
CGS26 6318104-2 GROUND STUD 1097 & ON 01
J1 MS27497E24F61S CONNECTOR 96906 1097 & ON 01
S3627-24 . BACKSHELL 01
JB322 MS27474E18F35S CONNECTOR 96906 1097 & ON 01
S3627-18-90 . BACKSHELL 96906 01
JF313 MS27474T14F35S CONNECTOR 96906 1097 & ON 01
S3627-14 . BACKSHELL 96906 01
JF314 SJS830200 PLUG - 8 PIN 58982 1097 & ON 01
M39029/58-360 . CONTACT PIN 0TRC3 01
JF506 S1102-1 JACK 82389 1097 & ON 01
JF507 S1102-3 MIC JACK 1097 & ON 01
JF508 S1102-1 JACK 82389 1097 & ON 01
JF509 S1102-1 JACK 82389 1097 & ON 01
JF516 PKG.M0.6SL.LN CONNECTOR S3013 1097 & ON 01
NC3FP-B . PANEL SOCKET SENN 01
JF520 M24308/2-1 CONNECTOR 71468 1097 & ON 01
M85049/48-2-1 . STRAIN RELIEF 71468 01
JF522 LMD-4003-S CONNECTOR 49367 1097 & ON 01
LMD-4122-96LD . SOCKET 49367 01
JF904 1738012-1 SOCKET 00779 1097 & ON 01
1738169-1 . INSERT RECEPTACLE 00779 01
1738280-1 . RECEPTACLE SHELL 00779 01
JF910 1738174-1 SOCKET 00779 1097 & ON 01
P601 330-00185-44 CONNECTOR - DSUB 0TRC3 1097 & ON 01
011-00950-02 . BACKSHELL ASSEMBLY 0TRC3 01
011-01169-00 . GRND ADAPTR, SHELL 1-3 0TRC3 01
PB322 MS27484E18F35P CONNECTOR 96906 1097 & ON 01
S3627-18 . BACKSHELL 01
PF313 MS27484T14F35P CONNECTOR 96906 1097 & ON 01
S3627-14 . BACKSHELL 96906 01
PF314 SJS830100 PLUG - 8 PIN 58982 1097 & ON 01
M39029/57-354 . SOCKET CONTACT 81590 01
PF520 M24308/4-1 CONNECTOR 1097 & ON 01
M85049/48-2-1 . STRAIN RELIEF 71468 01
PF522 LMD-4003-P CONNECTOR 49367 1097 & ON 01
LMD-4022-36LJ . PIN 49367 01
PF904 EPXBH30PA PLUG INSERT 0GP12 1097 & ON 01
617221 . PIN, SIZE 20 0GP12 01
EPXB2PD12N . PLUG SHELL 0GP12 01
PF910 EPXBH30PB PLUG INSERT 0GP12 1097 & ON 01
617221 . PIN, SIZE 20 0GP12 01
PI428 011-02234-01 GTC 570 - 90 DEGREE 0TRC3 1097 & ON 01
CESSNA®
MODEL 525 (SERIALS -0685 AND -0800 AND ON)WIRING DIAGRAM MANUAL
©TEXTRON AVIATION INC.
23-50-01
Figure 03Page 5
ICA-525-24-00004 Aug/04/2021
DUAL AUDIO SYSTEM
AIRPLANES 1097 & ON
REF
DES PART NUMBER
NOMENCLATURE
EFFECTIVITY
UNITS
PER
ASSY1 2 3 4 5 6 7
PI548 011-00813-01 GMA1347 - SUB-ASSEMBLY 0TRC3 1097 & ON 01
PI550 011-00813-01 GMA1347 - SUB-ASSEMBLY 0TRC3 1097 & ON 01
PN406 MS27484T20F41P CONNECTOR 96906 1097 & ON 01
S3627-20 . BACKSHELL 01
SF503 S3861-1 SWITCH 81579 1097 & ON 01
SF516 MS90311-231 SWITCH 11139 1097 & ON 01
SF524 S3178-1 SWITCH - PUSHBUTTON 1097 & ON 01
UI428 GTC 570 CONTROLLER RF
UI512 GMA 36 REMOTE AUDIO RF
UN404 NOSE PALLET RF
UZ301 GIA63W INTEGRATED AVIONICS UNIT RF
CESSNA®
MODEL 525 (SERIALS -0685 AND -0800 AND ON)WIRING DIAGRAM MANUAL
©TEXTRON AVIATION INC.
23-50-01
Figure 03Page 6
ICA-525-24-00004 Aug/04/2021
This Page Intentionally Left Blank.
ICA-525-24-00004 Aug/04/2021
5961
6159
UZ301
UZ301
18
UZ301
136
748
910
UZ301
M
PN406J1
AP
CBD
EF
PN405J1
23
UZ301
23
UZ301
51
PN408J2
15
PN407J2
(WHT)(BLU)
(WHT)(ORN)(BLU)
(WHT)(BLU)(WHT)(BLU)
FWD BLKHD
FWD BLKHD
KJ
M
1413
18
69596261
69596261
UZ301
UZ301
69596261
PN410J3
69596261
PN409J3
2223
242526
27282930
3132
33
3435
PB621 JB621
1314
JK
(WHT)(BLU)
(WHT)(ORN)(BLU)
(WHT)(BLU)
(WHT)(BLU)
(WHT)(BLU)
(ORN)(WHT)(BLU)
(ORN)(WHT)(BLU)
(ORN)(WHT)(BLU)
(ORN)(WHT)(BLU)
(WHT)(BLU)
(BLU)(WHT)
(WHT)(BLU)(ORN)
(BLU)(WHT)
(BLU)(WHT)
(WHT)(BLU)
LH AVN PALLET
RH AVN PALLET
SIGNAL GROUNDMAIN RS-232 OUT7MAIN RS-232 IN7
VOICE ALERT AUDIO OUT
P603 GIA 63W #2
2P603
ALERT 500Ω AUDIO OUT LOALERT 500Ω AUDIO OUT HI
P604 GIA 63W #2
2P604
VOR/LOC AUDIO OUTPOWER GROUND
P602 GIA 63W #2
2P601
COM MIC AUDIO INCOM AUDIO OUT
XSIDE COM MIC AUDIO IN
P601 GIA 63W #2
2P601
SIGNAL GROUNDMAIN RS-232 OUT7MAIN RS-232 IN7
VOICE ALERT AUDIO OUT
P603 GIA 63W #1
1P603
ALERT 500Ω AUDIO OUT LOALERT 500Ω AUDIO OUT HI
P604 GIA 63W #1
1P604
POWER GROUNDDIGITAL NAV OUT
P602 GIA 63W #1 1P602
XSIDE COM MIC AUDIO IN
COM AUDIO OUTCOM MIC AUDIO IN
COM 500Ω AUDIO OUT LOCOM 500Ω AUDIO OUT HI
SIGNAL GROUNDCOM MIC KEY
COM MIC AUDIO IN HI
P601 GIA 63W #1
1P601
2928
719
61486968
PI550
2871
89
2947
4869
68
6767
61
PI525
625
26278
7
2039
38
PI523 GMA 36 #1 1P3471
UI511
UI511 GMA 36 #1 1P3472
GMA 36 #2 2P3472
UI512
XSIDE NAV AUDIO INPOWER GROUNDXSIDE COM AUDIO INX-SIDE ALERT AUDIO IN
ONSIDE COM AUDIO INPOWER GROUND
ON-SIDE NAV AUDIO INON-SIDE ALERT AUDIO IN
X-SIDE ALERT AUDIO IN
PROGRAM GROUNDRS-232 IN1RS-232 OUT1
XSIDE NAV AUDIO IN
POWER GROUNDXSIDE COM AUDIO IN
XSIDE ALERT AUDIO INON-SIDE ALERT AUDIO IN
ON-SIDE COM AUDIO INON-SIDE COM AUDIO OUT
POWER GROUNDON-SIDE NAV AUDIO IN
ALERT3 AUDIO IN HI
ALERT3,4,5 AUDIO IN LOALERT5 AUDIO IN HI
ON-SIDE COM AUDIO IN HI
ON-SIDE COM AUDIO LOON-SIDE COM MIC KEY OUTON-SIDE MIC AUDIO OUT HI
RCVER 1 AUDIO IN LORCVER 1 AUDIO IN HI
NOSE CABIN
NOSE CABIN
478
6767 PROGRAM GROUND
RS-232 IN1RS-232 OUT1
7071
7071
36192021
GMA 36 #2 2P3472
UI512
121314
1516
1718
1991011
PB322 JB32238
3920
PI548
ALERT5 AUDIO IN HIALERT3,4,5 AUDIO IN LO
ALERT3 AUDIO IN HI(WHT)(BLU)
(WHT)(BLU)(ORN)
*D
*E
ON-SIDE COM MIC AUDIO OUTXSIDE COM MIC AUDIO OUT
UNSQUELCED COM AUDIO OUT LOUNSQUELCED COM AUDIO OUT HI
UN404
UN403
9115202T9
DUAL AUDIO SYSTEMFigure 03. (Sheet 3)
CESSNA®
MODEL 525 (SERIALS -0685 AND -0800 AND ON)WIRING DIAGRAM MANUAL
©TEXTRON AVIATION INC.
23-50-01
Figure 03Page 8
ICA-525-24-00004 Aug/04/2021
DUAL AUDIO SYSTEM
AIRPLANES 1097 & ON
REF
DES PART NUMBER
NOMENCLATURE
EFFECTIVITY
UNITS
PER
ASSY1 2 3 4 5 6 7
J1 MS27497E24F61S CONNECTOR 96906 1097 & ON 01
S3627-24 . BACKSHELL 01
J2 MS27497E24F61SA CONNECTOR 96906 1097 & ON 01
S3627-24 . BACKSHELL 01
J3 MS27497E24F4S CONNECTOR 96906 1097 & ON 01
S3627-24 . BACKSHELL 01
JB322 MS27474E18F35S CONNECTOR 96906 1097 & ON 01
S3627-18-90 . BACKSHELL 96906 01
JB621 MS27474E16F35S CONNECTOR 96906 1097 & ON 01
S3627-16 . BACKSHELL 01
P601 330-00185-44 CONNECTOR - DSUB 0TRC3 1097 & ON 01
011-00950-02 . BACKSHELL ASSEMBLY 0TRC3 01
011-01169-00 . GRND ADAPTR, SHELL 1-3 0TRC3 01
P602 011-01169-01 CONNECTOR 0TRC3 1097 & ON 01
011-00950-03 . BACKSHELL ASSEMBLY 0TRC3 01
330-00185-62 . DSUB CONNECTOR 0TRC3 01
P603 011-01169-01 CONNECTOR 0TRC3 0685 - 0685
0992 & ON
01
011-00950-04 . BACKSHELL ASSEMBLY 0TRC3 01
P604 330-00185-44 CONNECTOR - DSUB 0TRC3 1097 & ON 01
011-00950-02 . BACKSHELL ASSEMBLY 0TRC3 01
011-01169-00 . GRND ADAPTR, SHELL 1-3 0TRC3 01
PB322 MS27484E18F35P CONNECTOR 96906 1097 & ON 01
S3627-18 . BACKSHELL 01
PB621 MS27484T16F35P CONNECTOR 96906 1097 & ON 01
S3627-16 . BACKSHELL 01
PI523 011-00813-01 GMA1347 - SUB-ASSEMBLY 0TRC3 1097 & ON 01
PI525 011-00813-01 GMA1347 - SUB-ASSEMBLY 0TRC3 1097 & ON 01
PI548 011-00813-01 GMA1347 - SUB-ASSEMBLY 0TRC3 1097 & ON 01
PI550 011-00813-01 GMA1347 - SUB-ASSEMBLY 0TRC3 1097 & ON 01
PN405 MS27484T20F41P CONNECTOR 96906 1097 & ON 01
S3627-20 . BACKSHELL 01
PN406 MS27484T20F41P CONNECTOR 96906 1097 & ON 01
S3627-20 . BACKSHELL 01
PN407 MS27484E20F35P CONNECTOR 96906 1097 & ON 01
S3627-20 . BACKSHELL 01
PN408 MS27484E20F35P CONNECTOR 96906 1097 & ON 01
S3627-20 . BACKSHELL 01
PN409 MS27484E20F35PA CONNECTOR 96906 1097 & ON 01
S3627-20 . BACKSHELL 01
PN410 MS27484E20F35PA CONNECTOR 96906 1097 & ON 01
S3627-20 . BACKSHELL 01
UI511 GMA 36 REMOTE AUDIO RF
UI512 GMA 36 REMOTE AUDIO RF
UN403 NOSE PALLET RF
UN404 NOSE PALLET RF
UZ301 GIA63W INTEGRATED AVIONICS UNIT RF
CESSNA®
MODEL 525 (SERIALS -0685 AND -0800 AND ON)WIRING DIAGRAM MANUAL
©TEXTRON AVIATION INC.
23-50-01
Figure 03Page 9
ICA-525-24-00004 Aug/04/2021
AVN/INTERIORS DISCONNECT
CABIN DATA INTERCOM SYSTEM
CABIN DATA INTERCOM SYSTEM
CABIN DATA INTERCOM SYSTEM
PI523 GMA 36 #1
1P3471
UI511
7577
PI525
PI550
GMA 36 #1 1P3472
UI511
GMA 36 #2 2P3472
UI512
AVN/INTERIORS DISCONNECT
CKPT CALL SEL POWER GNDCOCKPIT CALL SELECT
(WHT)(ORN)(BLU)
(WHT)
(BLU)
8
8
KK
J1 PZ101
215
LH POWER JBOX
USB POWER
676848
CABIN AUDIO OUT LEFTCABIN AUDIO OUT RIGHTCABIN AUDIO OUT LO
565776
3213
PI548 GMA 36 #2 2P3471
MUSIC 2 AUDIO IN - LMUSIC 2 AUDIO IN - RMUSIC 2 AUDIO IN LO
UI512
98
45
67
123
PC525JC525
123
45
67
PF525JF525
(ORN)
565776
MUSIC 2 AUDIO IN - LMUSIC 2 AUDIO IN - RMUSIC 2 AUDIO IN LO
7759
COMM1 AUDIO HICOMM1 AUDIO LO
(WHT)(BLU)
(WHT)(BLU)
(WHT)(BLU)
(WHT)(BLU)
(WHT)(BLU)(ORN)
(WHT)(BLU)
(WHT)(BLU)
(WHT)(BLU)(ORN)
(WHT)(BLU)(ORN)
COMM2 AUDIO HICOMM2 AUDIO LO
4445
6364
PASS 1 MIC AUDIO IN HIPASS 1 MIC AUDIO IN LO
PASS 2 MIC AUDIO IN HIPASS 2 MIC AUDIO IN LO
676848
4647
6566
PASS 3 MIC AUDIO IN HIPASS 3 MIC AUDIO IN LO
PASS 4 MIC AUDIO IN HIPASS 4 MIC AUDIO IN LO
PASS HEADSET AUDIO OUT-LPASS HEADSET AUDIO OUT-RPASS HEADSET AUDIO LO
HCDC20
UC523USB/AUX AUDIO
AUDIO IN - LAUDIO IN - RAUDIO IN LO
A/C GND RTN28VDC
BACKLIGHT DIM
UF523USB/AUX AUDIO
28VDCA/C GND RTN
AUDIO IN - LAUDIO IN - RAUDIO IN LO
BACKLIGHT DIM
(VEND)(VEND)(VEND)
(VEND)(VEND)
(VEND)(VEND)
(VEND)(VEND)(VEND)
534
21
9
PC523JC523
12
534
9
PF523JF523
(VEND)
(VEND)
HCDC10
REFER TO SHEET 5
4
JC092
GND-ON-GND (OUT)
LANDING GEAR 1 PCBNZ125 DC015
BLKWHT
REF LANDING GEAR MONITOR
E
JC004PC004ELE AVN
ELE/AVN DISC
8975COCKPIT CALL SELECT GND
4
123
56
78
9
PF548JF548
25
PA031 JA031
TAIL CABIN ELE/AVN DISC
CC
PC004 JC004
REFER TO 32-60-01
REFER TO 24-60-01
9115202T6
DUAL AUDIO SYSTEMFigure 03. (Sheet 4)
CESSNA®
MODEL 525 (SERIALS -0685 AND -0800 AND ON)WIRING DIAGRAM MANUAL
©TEXTRON AVIATION INC.
23-50-01
Figure 03Page 10
ICA-525-24-00004 Aug/04/2021
DUAL AUDIO SYSTEM
AIRPLANES 1097 & ON
REF
DES PART NUMBER
NOMENCLATURE
EFFECTIVITY
UNITS
PER
ASSY1 2 3 4 5 6 7
CDC10 6-203736-0 CONNECTOR KIT 00779 1097 & ON 01
204814-1 . CONNECTOR 00779 01
S2099-6 . CONTACT 00779 01
S2099-8 . CONTACT 01
CDC20 6-203736-0 CONNECTOR KIT 00779 1097 & ON 01
204814-1 . CONNECTOR 00779 01
S2099-6 . CONTACT 00779 01
S2099-8 . CONTACT 01
DC015 S3106-3 DIODE 06090 1097 & ON 01
J1 MS27497E24F61S CONNECTOR 96906 1097 & ON 01
S3627-24 . BACKSHELL 01
JA031 MS27474E18F35S CONNECTOR 96906 1097 & ON 01
S3627-18 . BACKSHELL 01
JC004 S2099-6 CONTACT (ZONE 245) 00779 1097 & ON 01
9-203439-9 . CONNECTOR KIT 00779 01
JC092 M24308/2-4F CONNECTOR 71468 1097 & ON 01
M85049/50-4 . STRAIN RELIEF 01
JC523 M24308/2-1 CONNECTOR 71468 1097 & ON 01
M85049/48-2-1 . STRAIN RELIEF 71468 01
JC525 M24308/2-1 CONNECTOR 71468 1097 & ON 01
M85049/48-2-1 . STRAIN RELIEF 71468 01
JF523 M24308/2-1 CONNECTOR 71468 1097 & ON 01
M85049/48-2-1 . STRAIN RELIEF 71468 01
JF525 M24308/2-1 CONNECTOR 71468 1097 & ON 01
M85049/48-2-1 . STRAIN RELIEF 71468 01
JF548 M24308/4-3 CONNECTOR 71468 1097 & ON 01
M85049/48-2-3 . STRAIN RELIEF 71468 01
NZ125 6318398-6 PRINTED CIRCUIT BOARD ASSEMBLY - LDG GEAR 1 1097 & ON 01
PA031 MS27484E18F35P CONNECTOR 96906 1097 & ON 01
S3627-18 . BACKSHELL 01
PC004 3-203736-9 CONNECTOR (ZONE 245) 00779 1097 & ON 01
S2353-3 . PIN 00779 01
PC523 CONNECTOR RF
PC525 M24308/4-1 CONNECTOR 1097 & ON 01
M85049/48-2-1 . STRAIN RELIEF 71468 01
PF523 CONNECTOR RF
PF525 M24308/4-1 CONNECTOR 1097 & ON 01
M85049/48-2-1 . STRAIN RELIEF 71468 01
PF548 M24308/2-283F CONNECTOR 1097 & ON 01
M85049/48-2-3 . STRAIN RELIEF 71468 01
PI523 011-00813-01 GMA1347 - SUB-ASSEMBLY 0TRC3 1097 & ON 01
PI525 011-00813-01 GMA1347 - SUB-ASSEMBLY 0TRC3 1097 & ON 01
PI548 011-00813-01 GMA1347 - SUB-ASSEMBLY 0TRC3 1097 & ON 01
PI550 011-00813-01 GMA1347 - SUB-ASSEMBLY 0TRC3 1097 & ON 01
PZ101 MS27484T24F61P CONNECTOR 96906 1097 & ON 01
S3627-24 . BACKSHELL 01
UI511 GMA 36 REMOTE AUDIO RF
UI512 GMA 36 REMOTE AUDIO RF
CESSNA®
MODEL 525 (SERIALS -0685 AND -0800 AND ON)WIRING DIAGRAM MANUAL
©TEXTRON AVIATION INC.
23-50-01
Figure 03Page 11
ICA-525-24-00004 Aug/04/2021
4
PF910JF910
125 28VDC
PA AMP
CGS506
64
PI550 GMA 36 #2
2P3472
PA KEY OUT
5977
PI548 GMA 36 #2
2P3471
PA AUDIO OUT LOPA AUDIO OUT HI
ENTERTAINMENT CTR5 6
(AFT SPEAKER)
(FWD SPEAKER)
SPEAKER DISC
-
+UC034
-
+ UC033
77
REF INTERIOR ENTERTMNT SYSTEM
59
37
12
PF547PA AMPLIFIER
UF547
AUDIO SPEAKER OUT HIAUDIO SPEAKER OUT LO
PA LINE IN HIPA LINE IN LO
28VDC POWERGND
REF CKPT & EMER LIGHTING
TCDC21
3
16
1023
196
25
PF506
EXT TRIG #2 (PASS SAFETY) EXT TRIG #1 (SEAT BELT ON)
CO-PILOT PA KEY IN
CABIN BRIEFER COMPUTER
UF506
*P
PA002JA002AFT BLKD
C
PZ105 J5
1215(16)
LH J-BOX
BRIEFER AUDIO OUT LOBRIEFER AUDIO OUT HI
PILOT PA KEY IN
GROUND
U
PZ103 J3
125
LH J-BOX
636465
P603
MAIN RS-232 IN 8SIGNAL GROUND
MAIN RS-232 OUT 8
636465
PN409J3
373839
PB621 JB621 GIA 63W #1 1P603
UZ301
LH AVN PALLET UN403 FWD BLKHD
8DI514
BLK WHT
DI512BLK WHT
RH CB PANEL
CABIN BRIEFER
TAIL ELECABIN ELE
13 28VDC IN
CABIN ELE CABIN OVERHEAD CABIN ELE CABIN ELE
NOSE CABIN
ENTERTAINMENT CENTER
L
PA522JA522
CABIN AVN TAIL AVN
AFT BLKD
12
56
8
PC068 JC068
JF
LM
CD
PF031 JF031
HHFF
VU
PC004 JC004
E
P
W
CABIN ELE CABIN AVN
(ORN)(BLU)(WHT)
(WHT)(BLU)
(BLU)(WHT)
(BLU) (BLU)(WHT)(WHT)
(WHT)(BLU)
(16) (16)
4 BRIEFER KEY OUT
31
7
49
68
2
KI510 9
CABIN BRIEFER/PA RELAY
PA AUDIO
CABIN BRIEFER
9
PF548 JF548 REF INTERIOR
CABIN ENTERTAINMENT SYSTEM
UI512
UI512
4
JT307PT307
TAIL AVN TAIL ELE
AVN/ELE DISC
BB
PB014
83
7615
PF507 UF506
(ORN)(BLU)(WHT)
CABIN BRIEFER COMPUTER
HANDSHAKE IN5 VDC OUT
RS-232 OUTGROUNDRS-232 IN
8
34
P604
34
PN407J2
1
PB621 JB621
GC007
525 ONLY
GIA 63W #1UZ301
1P604
7
NOSE CABIN
ANNUNCIATE *11
14
1 2
RF507
(BLU)(WHT)
(WHT)(BLU)
(WHT)(BLU)
(WHT)(BLU)
TOUR BUTTON INPUTPA ENABLE OUTPUT
DI516BLK WHT
DI520BLK WHT
REFER TO 24-50-02
REFER TO 34-61-01
REFER TO 33-50-01
9115202T7
DUAL AUDIO SYSTEMFigure 03. (Sheet 5)
CESSNA®
MODEL 525 (SERIALS -0685 AND -0800 AND ON)WIRING DIAGRAM MANUAL
©TEXTRON AVIATION INC.
23-50-01
Figure 03Page 12
ICA-525-24-00004 Aug/04/2021
DUAL AUDIO SYSTEM
AIRPLANES 1097 & ON
REF DES PART NUMBER
NOMENCLATURE
EFFECTIVITY
UNITS
PER
ASSY1 2 3 4 5 6 7
CDC21 6-203736-0 CONNECTOR KIT 00779 1097 & ON 01
S2099-6 . CONTACT 00779 01
CGS506 GROUND STUD RF
DI512 S3106-4 DIODE 1097 & ON 01
DI514 S3106-4 DIODE 1097 & ON 01
DI516 S3106-4 DIODE 1097 & ON 01
DI520 S3106-4 DIODE 1097 & ON 01
GC007 6318104-2 GROUND STUD (ZONE 242) 1097 & ON 01
J2 MS27497E24F61SA CONNECTOR 96906 1097 & ON 01
S3627-24 . BACKSHELL 01
J3 MS27497E24F4S CONNECTOR 96906 1097 & ON 01
S3627-24 . BACKSHELL 01
J5 MS27497E24F24S CONNECTOR 96906 1097 & ON 01
S3627-24 . BACKSHELL 01
JA002 MS3474L22-41P CONNECTOR (ZONE 251) 96906 1097 & ON 01
S3744-22-90 . BACKSHELL 01
JA522 MS3474L22-55P CONNECTOR 96906 1097 & ON 01
S3744-22 . BACKSHELL 01
JB621 MS27474E16F35S CONNECTOR 96906 1097 & ON 01
S3627-16 . BACKSHELL 01
JC004 S2099-6 CONTACT (ZONE 245) 00779 1097 & ON 01
9-203439-9 . CONNECTOR KIT 00779 01
JC068 S2350-4 CONNECTOR (ZONE 251) 1097 & ON 01
S2353-3 . PIN 00779 01
JF031 MS3474L14-15S CONNECTOR (ZONE 252) 96906 1097 & ON 01
M85049/53-14W . BACKSHELL 01
JF548 M24308/4-3 CONNECTOR 71468 1097 & ON 01
M85049/48-2-3 . STRAIN RELIEF 71468 01
JF910 1738174-1 SOCKET 00779 1097 & ON 01
JT307 LMD-4003-S CONNECTOR 49367 1097 & ON 01
LMD-4122-96LD . SOCKET 49367 01
LMS01T-TL . SPLICE CONNECTOR 49367 01
KI510 LMD-5001-P RELAY MODULE 49367 1097 & ON 01
LMD-4001-S . CONNECTOR 49367 01
LMD-4122-96LD . SOCKET 49367 01
LMS01T-TL . SPLICE CONNECTOR 49367 01
P603 011-01169-01 CONNECTOR 0TRC3 0685 - 0685
0992 & ON
01
011-00950-04 . BACKSHELL ASSEMBLY 0TRC3 01
P604 330-00185-44 CONNECTOR - DSUB 0TRC3 1097 & ON 01
011-00950-02 . BACKSHELL ASSEMBLY 0TRC3 01
011-01169-00 . GRND ADAPTR, SHELL 1-3 0TRC3 01
PA002 MS3475L22-41S CONNECTOR (ZONE 311) 96906 1097 & ON 01
M85049/51-1-22N . STRAIN RELIEF 01
PA522 MS3475L22-55S CONNECTOR 96906 1097 & ON 01
S3744-22 . BACKSHELL 01
PB014 6-203736-0 CONNECTOR KIT (ZONE 233) 00779 1097 & ON 01
S2099-6 . CONTACT 00779 01
CESSNA®
MODEL 525 (SERIALS -0685 AND -0800 AND ON)WIRING DIAGRAM MANUAL
©TEXTRON AVIATION INC.
23-50-01
Figure 03Page 13
ICA-525-24-00004 Aug/04/2021
DUAL AUDIO SYSTEM
AIRPLANES 1097 & ON
REF DES PART NUMBER
NOMENCLATURE
EFFECTIVITY
UNITS
PER
ASSY1 2 3 4 5 6 7
PB621 MS27484T16F35P CONNECTOR 96906 1097 & ON 01
S3627-16 . BACKSHELL 01
PC004 3-203736-9 CONNECTOR (ZONE 245) 00779 1097 & ON 01
S2353-3 . PIN 00779 01
PC068 S2349-3 PLUG (ZONE 251) 1097 & ON 01
S2099-6 . CONTACT 00779 01
PF031 MS3476L14-15P PLUG (ZONE 252) 96906 1097 & ON 01
MS3154-14 . BACKSHELL 01
PF506 M24308/4-3 CONNECTOR 71468 1097 & ON 01
M85049/48-1-3 . STRAIN RELIEF 01
PF507 M24308/4-2 CONNECTOR 49367 1097 & ON 01
980-2000-346 . EMI BACKSHELL 71468 01
PF547 M24308/2-1 CONNECTOR 71468 1097 & ON 01
M85049/48-1-1 . STRAIN RELIEF 01
PF548 M24308/2-283F CONNECTOR 1097 & ON 01
M85049/48-2-3 . STRAIN RELIEF 71468 01
PF910 EPXBH30PB PLUG INSERT 0GP12 1097 & ON 01
617221 . PIN, SIZE 20 0GP12 01
PI548 011-00813-01 GMA1347 - SUB-ASSEMBLY 0TRC3 1097 & ON 01
PI550 011-00813-01 GMA1347 - SUB-ASSEMBLY 0TRC3 1097 & ON 01
PN407 MS27484E20F35P CONNECTOR 96906 1097 & ON 01
S3627-20 . BACKSHELL 01
PN409 MS27484E20F35PA CONNECTOR 96906 1097 & ON 01
S3627-20 . BACKSHELL 01
PT307 LMD-4003-P CONNECTOR 49367 1097 & ON 01
LMD-4022-36LJ . PIN 49367 01
PZ103 MS27484T24F4P CONNECTOR 96906 1097 & ON 01
S3627-24 . BACKSHELL 01
PZ105 MS27484T24F24P CONNECTOR 96906 1097 & ON 01
S3627-24 . BACKSHELL 01
RF507 S3105-32 RESISTOR ASSEMBLY 1097 & ON 01
UC033 S1829-1 TERMINAL (ZONE 251/252) 1097 & ON 01
UC034 S1829-1 TERMINAL (ZONE 251/252) 1097 & ON 01
UF506 CABIN BRIEFER COMPUTER RF
UF547 PA AMPLIFIER RF
UI512 GMA 36 REMOTE AUDIO RF
UZ301 GIA63W INTEGRATED AVIONICS UNIT RF
CESSNA®
MODEL 525 (SERIALS -0685 AND -0800 AND ON)WIRING DIAGRAM MANUAL
©TEXTRON AVIATION INC.
23-50-01
Figure 03Page 14
ICA-525-24-00004 Aug/04/2021
24-30-03
POWER DISTRIBUTION
AIRPLANES 1097 & ON
CESSNA®
MODEL 525 (SERIALS -0685 AND -0800 AND ON)WIRING DIAGRAM MANUAL
©TEXTRON AVIATION INC.
24-30-03
Figure 03Page 1
ICA-525-24-00004 Aug/04/2021
NOTES:
SLEEVE ENTIRE LENGTH OF WIRE WITH EXPANDO SLEEVING
7
ADD PROTECTIVE SLEEVING TO EACH END OF CABLE.
8
ADD RED SLEEVING WITHIN 6 INCHES OF END OF WIRE.
ADD WHITE SLEEVING WITHIN 6 INCHES OF END OF WIRE.
WIRE TYPE IS M22759/3-01-9.
WIRE TYPE IS M81044/9-10-9.
WIRE TYPE IS M81044/12-8-9.
LOCATE SPLICE WITHIN 10 INCHES OF CONNECTOR.
CAP AND STOW SPLICE WHEN SYSTEM IS NOT INSTALLED.
10
11
12
13
14
15
16
17
18
JUMPER BUNDLE INSTALLED.22
*** REFER TO 91-10-01 FOR GROUND LOCATIONS.
CAP AND STOW CONNECTOR WHEN LI-ION BATTERY NOT INSTALLED.
23
RUN WIRE WITH RH 3-WAY POWER.21
PERMISSIBLE TO USE 22 AWG WIRE.
PERMISSIBLE TO USE SHORTER SCREWS, P/N 687-103-08-12.
BATT SW
OFF
EMER
BATT
SI022
8NO
8NC 8C
5C
2C
1C
5NO
5NC
2NC
2NO
1NC
1NO
6NO
6NC6C
7NO
7NC 7C
4C
3C
4NC
4NO
3NC
3NO
RH START SW
BRIGHT INPUT
START
DIM INPUT
(MOM)
DI092
BLK WHT
A
12
B5678910111213141516
PI048 SI018
1
B
A
2
PI049START DISENG SW
5678910111213141516
BRIGHT INPUT
START DISENG
DIM INPUT
(MOM)
1
B
A
2
PI047 LH START SW
5678910111213141516
BRIGHT INPUT
START
DIM INPUT
(MOM)
DI091
BLK WHT
SI017
SI018
CDBA
PI120JI120
REFER TO 24-30-01
REFER TO 24-30-01
APB014LH GND
REFER TO 24-30-02
CC
PB014
AFT PEDESTAL PANEL
CABIN AFT PED PNL
REFER TO 24-30-02
7569
PF040 JF040
REFER TO 45-10-02
REFER TO 24-30-02*A
U
X
YZ
PI109 JI109
BATT DISC SW
AB
PC117 JC117
NP
PA005JA005
LH SIDE CONSOLE PANEL
LH CABINLH CABIN LH TAIL
+
-
JN912
(6)
RZ90012GN900
Y*H
PB034 JB034
ZE
PA005JA005
5859
PT409P702
GEA 71 #1
AUX BATT AMPS HIAUX BATT AMPS LO
(6)
LH CABIN LH TAIL
FWD BLKHD AFT BLKHD
LH NOSE LH CABIN
*J
PB031 JB031LH CABIN
LH NOSE
V
SC067A1
A3
B1
B3
A2
B2
NORM
DISC
NORM
DISC
FE
KZ955+
-
A1A2
POWER PNL LH CABIN
CABINPCB LRU DISC
AUX BATT BUS BAR
21HZ901
100
HZ904
AUX BATT BUS BAR
AUX BATT BUS BAR
12HZ900
100
HZ009
AUX BATTERY BUS BAR
D
AG
PZ108JZ108NOSE
(6)
AUXILIARY NOSE J-BOX
SI057C
NC
NO *D
W
OFF
DISPATCH ON
B
*D
PA006JA006
12
PF912JF912
(REF RH CB PNL) *Z
PZ102 J2
(REF PWR JBOX)
RH CABIN RH TAIL RH TAIL RH J-BOX
(20)(20)
*E
-+CZ000
REFER TO 24-30-01
DZ092BLKWHT
DZ093BLK WHT 1 2
RZ005
HZ902AUX BATT BUS BAR
1 (6)1
HZ903
2
HZ905
(20)
(20)(20)
(20)
(20)
(20)
*G*F
3
PF006 JF006
U
PB015CENTER GND
ABCD
PI121CABIN
JI121AFT PED PNL
(REF PWR JBOX)
(REF RH CB PNL)RH CABIN
RH CABIN
POWER PANEL
8
P604
DISCRETE IN 2 39
PN407J2GIA 63W #1UZ301
LEFT AVIONICS PALLET
A
PB037 JB037
*J
(REF SW PNL W/A)
CABINNOSENOSE
D
(20) REFER TO 24-30-02
CTB
MUPD
PT005
HEATER ENABLEGNDBATT OKBATT FAIL
GT007 BATT FAIL GNDARINC REFBATT OK GND
LITHIUM-IONMAIN A/C BATTERY
UT012
AA
BB
PZ101 J1
B
PT040
(REF JBOX W/A)
*K*M*P
PZ103 J3
N BATT ENABLE
(REF JBOX W/A)
21
2 1HZ155
2.5A
A1A2
1327291
171620
PT003 JT003
23
DZ155BLKWHT
DF055BLKWHT
(WHT)(BLU)
AUX NOSE BATT
PN912
-
+UN900
UN403
REFER TO 24-50-02
REFER TO 24-50-02
REFER TO 24-60-01
REFER TO 31-10-01
REFER TO 31-10-01
REFER TO 31-10-01
REFER TO 31-10-01
REFER TO 24-60-01
REFER TO 24-60-01
REFER TO 24-60-01
6308230W13
POWER DISTRIBUTIONFigure 03. (Sheet 1)
CESSNA®
MODEL 525 (SERIALS -0685 AND -0800 AND ON)WIRING DIAGRAM MANUAL
©TEXTRON AVIATION INC.
24-30-03
Figure 03Page 2
ICA-525-24-00004 Aug/04/2021
POWER DISTRIBUTION
AIRPLANES 1097 & ON
REF
DES PART NUMBER
NOMENCLATURE
EFFECTIVITY
UNITS
PER
ASSY1 2 3 4 5 6 7
CZ000 ALS30A472DA063 CAPACITOR - 63V 31433 1097 & ON 01
DF055 S3106-3 DIODE 06090 1097 & ON 01
DI091 S3106-4 DIODE (ZONE 233) 1097 & ON 01
DI092 S3106-4 DIODE 1097 & ON 01
DZ092 S3106-3 DIODE 06090 1097 & ON 01
DZ093 S3106-3 DIODE 06090 1097 & ON 01
DZ155 S3106-3 DIODE 06090 1097 & ON 01
GN900 GROUND RF
GT007 6318304-2 GROUND STUD 1097 & ON 01
HZ155 S3491-3 FUSE ASSEMBLY 1097 & ON 01
HZ900 ANL100 CURRENT LIMITER 71400 1097 & ON 01
HZ901 ANL100 CURRENT LIMITER 71400 1097 & ON 01
J1 MS27497E24F61S CONNECTOR 96906 1097 & ON 01
S3627-24 . BACKSHELL 01
J2 MS27497E24F61SA CONNECTOR 96906 1097 & ON 01
S3627-24 . BACKSHELL 01
J3 MS27497E24F4S CONNECTOR 96906 1097 & ON 01
S3627-24 . BACKSHELL 01
JA005 MS3474L22-55P CONNECTOR (ZONE 251) 96906 1097 & ON 01
M85049/51-1-22N . STRAIN RELIEF 01
JA006 MS27474E18F32S CONNECTOR (ZONE 252) 96906 1097 & ON 01
S3627-18 . BACKSHELL 01
JB031 MS3474L22-41P CONNECTOR 96906 1097 & ON 01
S3074-22 . STRAIN RELIEF 01
JB034 MS3474L22-41S CONNECTOR 96906 1097 & ON 01
S3744-22 . BACKSHELL 01
JB037 MS27474E22F55S CONNECTOR 96906 1097 & ON 01
S3627-22 . BACKSHELL 01
JC117 SJS830100 PLUG - 8 PIN 58982 1097 & ON 01
M39029/57-354 . SOCKET CONTACT 81590 01
JF006 617320 SOCKET - SIZE 20 0GP12 1097 & ON 01
EPXBE20P1SA . SOCKET INSERT 0GP12 01
617380 . SOCKET, SIZE 8 0GP12 01
JF040 MS27484T24F2SA CONNECTOR 96906 1097 & ON 01
S3627-24-90 . BACKSHELL 01
JF912 EPXBE14SA SOCKET INSERT 0GP12 1097 & ON 01
EPXB1RM04N . SOCKET SHELL 0GP12 01
617340 . SOCKET, SIZE 16 0GP12 01
JI109 MS27474E18F32SA CONNECTOR 96906 1097 & ON 01
S3627-18-90 . BACKSHELL 96906 01
JI120 SJS830200 PLUG - 8 PIN 58982 1097 & ON 01
M39029/58-360 . CONTACT PIN 0TRC3 01
JI121 SJS830200 PLUG - 8 PIN 58982 1097 & ON 01
M39029/58-360 . CONTACT PIN 0TRC3 01
JN912 1446000-1 120A PWR PROD KIT, 6 AWG 00779 1097 & ON 01
JT003 D38999/24FD35PN CONNECTOR 1097 & ON 01
S3627-15 . BACKSHELL 01
JZ108 SJS830100 PLUG - 8 PIN 58982 1097 & ON 01
M39029/57-354 . SOCKET CONTACT 81590 01
CESSNA®
MODEL 525 (SERIALS -0685 AND -0800 AND ON)WIRING DIAGRAM MANUAL
©TEXTRON AVIATION INC.
24-30-03
Figure 03Page 3
ICA-525-24-00004 Aug/04/2021
POWER DISTRIBUTION
AIRPLANES 1097 & ON
REF
DES PART NUMBER
NOMENCLATURE
EFFECTIVITY
UNITS
PER
ASSY1 2 3 4 5 6 7
KZ955 26.08.08.909 RELAY - 200 AMP D1510 1097 & ON 01
P604 330-00185-44 CONNECTOR - DSUB 0TRC3 1097 & ON 01
011-00950-02 . BACKSHELL ASSEMBLY 0TRC3 01
011-01169-00 . GRND ADAPTR, SHELL 1-3 0TRC3 01
P702 GEA 71 RF
PA005 MS3475L22-55S CONNECTOR (ZONE 311) 96906 1097 & ON 01
M85049/51-1-22N . STRAIN RELIEF 01
PA006 MS27484E18F32P CONNECTOR (ZONE 312) 96906 1097 & ON 01
S3627-18 . BACKSHELL 01
PB014 6-203736-0 CONNECTOR KIT (ZONE 233) 00779 1097 & ON 01
S2099-6 . CONTACT 00779 01
PB015 6-203736-0 CONNECTOR KIT (ZONE 235) 00779 1097 & ON 01
S2099-6 . CONTACT 00779 01
PB031 MS3475L22-41S CONNECTOR 96906 1097 & ON 01
S3074-22 . STRAIN RELIEF 01
PB034 MS3475L22-41P CONNECTOR 96906 1097 & ON 01
S3744-22 . BACKSHELL 01
PB037 MS27484E22F55P CONNECTOR 96906 1097 & ON 01
S3627-22 . BACKSHELL 01
PC117 SJS830200 PLUG - 8 PIN 58982 1097 & ON 01
M39029/58-360 . CONTACT PIN 0TRC3 01
PF006 EPXBH20P1PA PLUG 0GP12 1097 & ON 01
617221 . PIN, SIZE 20 0GP12 01
617280 . PIN, SIZE 8 0GP12 01
EPXB1PB04N . PLUG SHELL 0GP12 01
PF040 MS27474T24F2PA CONNECTOR 96906 1097 & ON 01
S3627-24-90 . BACKSHELL 01
PF912 EPXBH14PA PLUG INSERT 0GP12 1097 & ON 01
617240 . PIN, SIZE 16 0GP12 01
EPXB1PB04N . PLUG SHELL 0GP12 01
PI047 29055-001 CONNECTOR - SWITCH LIGHT 81590 1097 & ON 01
M39029/22-192 . CONTACT 32245 01
PI048 29055-001 CONNECTOR - SWITCH LIGHT 81590 1097 & ON 01
M39029/22-192 . CONTACT 32245 01
PI049 29055-001 CONNECTOR - SWITCH LIGHT 81590 1097 & ON 01
M39029/22-192 . CONTACT 32245 01
PI109 MS27473E18F32PA CONNECTOR 96906 1097 & ON 01
S3627-18-90 . BACKSHELL 96906 01
PI120 SJS830100 PLUG - 8 PIN 58982 1097 & ON 01
M39029/57-354 . SOCKET CONTACT 81590 01
PI121 SJS830100 PLUG - 8 PIN 58982 1097 & ON 01
M39029/57-354 . SOCKET CONTACT 81590 01
PN407 MS27484E20F35P CONNECTOR 96906 1097 & ON 01
S3627-20 . BACKSHELL 01
PN912 CONNECTOR RF
PT003 D38999/26FD35SN PLUG 1097 & ON 01
S3627-15 . BACKSHELL 01
PT005 MS3476L14-18S PLUG 96906 1097 & ON 01
S3744-14-90 . BACKSHELL 01
CESSNA®
MODEL 525 (SERIALS -0685 AND -0800 AND ON)WIRING DIAGRAM MANUAL
©TEXTRON AVIATION INC.
24-30-03
Figure 03Page 4
ICA-525-24-00004 Aug/04/2021
POWER DISTRIBUTION
AIRPLANES 1097 & ON
REF
DES PART NUMBER
NOMENCLATURE
EFFECTIVITY
UNITS
PER
ASSY1 2 3 4 5 6 7
PT040 6-203736-0 CONNECTOR KIT 00779 1097 & ON 01
S2099-4 . CONTACT 00779 01
PT409 330-00185-78 PLUG 0TRC3 1097 & ON 01
011-00950-04 . BACKSHELL ASSEMBLY 0TRC3 01
PZ101 MS27484T24F61P CONNECTOR 96906 1097 & ON 01
S3627-24 . BACKSHELL 01
PZ102 MS27484T24F61PA CONNECTOR 96906 1097 & ON 01
S3627-24 . BACKSHELL 01
PZ103 MS27484T24F4P CONNECTOR 96906 1097 & ON 01
S3627-24 . BACKSHELL 01
PZ108 SJS830200 PLUG - 8 PIN 58982 1097 & ON 01
RZ005 RLR07C4700JS RESISTOR 1097 & ON 01
RZ900 S2609-1 SHUNT ASSEMBLY 1097 & ON 01
SC067 MS35059-23 SWITCH 96906 1097 & ON 01
SI017 27489-124 LIGHT - SWITCH (ZONE 233) 81590 1097 & ON 01
SI018 27489-124 LIGHT - SWITCH 81590 1097 & ON 01
SI022 A3-205-01/P SWITCH 81640 1097 & ON 01
76278-4 . SWITCH COVER 2X920 01
S2742-15 . TIP 01
SI057 A3-1289 SWITCH (ZONE 233) 81640 1097 & ON 01
S3538-7 . SWITCH COVER 01
S2742-15 . TIP 01
UN403 NOSE PALLET RF
UN900 BATTERY ASSEMBLY - 16 AHR RF
UT012 BATTERY ASSEMBLY RF
UZ301 GIA63W INTEGRATED AVIONICS UNIT RF
CESSNA®
MODEL 525 (SERIALS -0685 AND -0800 AND ON)WIRING DIAGRAM MANUAL
©TEXTRON AVIATION INC.
24-30-03
Figure 03Page 5
ICA-525-24-00004 Aug/04/2021
This Page Intentionally Left Blank.
ICA-525-24-00004 Aug/04/2021
24-60-01
POWER J-BOX
AIRPLANES 1097 & ON
CESSNA®
MODEL 525 (SERIALS -0685 AND -0800 AND ON)WIRING DIAGRAM MANUAL
©TEXTRON AVIATION INC.
24-60-01
Figure 06Page 1
ICA-525-24-00004 Aug/04/2021
NOTES:
5.
12
7
9
10
4.
11
8
DISPATCH BUS
INTERIOR BUS #1
LH JBOX C/B PWR BUS #1
INTERIOR BUS #2
RH JBOX C/B PWR BUS #1
OPTIONAL PWR BUS
RH JBOX C/B PWR BUS #2
LH GEN C/B PWR BUS
HZ010
HZ015
HZ016
HZ035
HZ036
HZ037
HZ038
HZ041
31A
75A
75A
75A
75A
24A
75A
75A
20A
45A
36A
59A
64.5A
75A
67.5A
24A
REF DES
LIMIT (AMPS)
CURRENT USAGE
BUS
RH GEN C/B PWR BUS HZ042 24A 24A
HOT BATTERY BUS HZ012 75A 41A
13
BUS LIMITATION TABLE
14
15
16
17
ALL WIRES TO BE PER M81044/12, (150°C) 22AWG EXCEPT AS NOTED. SHIELDED SINGLE WIRES PER M27500-XXTA1NO6, SHIELDED PAIR WIRES PER M27500-XXTA2N06, TWISTED PAIR WIRES PER M27500-XXTA2U0O, XX=22 AWG EXCEPT AS NOTED.
VENDOR SUPPLIED WIRES AND FUSES SOLDERED AT SHUNT.
USE 22 AWG WIRE INSTEAD OF HIRF BRAID.
PERMISSIBLE TO USE SHORTER SCREWS, P/N 687-103-08-12.
MUST BE ROUTED SEPERATELY, D-RING OFF MAIN BUNDLE.
TIE CONNECTORS INTO WIRE BUNDLES NEAR SENSORS.
POWER BUSES MUST NOT BE LOADED MORE THAN THE BUS LIMITATION TABLE ALLOWS. USAGE IS DETERMINED BY THE VALUES OF C/B'S INSTALLED ON EACH BUS.
VENDOR SUPPLIED WIRES.
HIGH TEMP WIRE (260°C) TYPE PER M22759/8, AWG SPECIFIED ON DRAWING. WIRES WITH THIS FLAG NOTE TO BE IDENTICAL IN LENGTH.
WIRES WITH THIS FLAG NOTE TO BE IDENTICAL IN LENGTH.
TRIM VENDOR WIRES TO 8" IN LENGTH.
2. WIRE IS 22 AWG UNLESS OTHERWISE NOTED
12
HZ020225A
HZ008 HOT
BATTERY BUS BAR
HZ006 SWITCHED
BATTERY BUS BAR
HZ003 LH STARTER
BUS BAR LH GENERATOR
BUS BAR
12 HZ0615 LH LAND/REC LIGHTS
(REF PWR DIST)
LH GEN ANNUN
(20)(WHT)(20)(BLU)
(10)
(20)(WHT)(20)(BLU)
(REFER TO SHEET 3)
(REFER TO SHEET 3)
KL
NM
LH STARTER POWER STUD
(REF PWR DIST W/A)
LH PT2/T2 HEATER2 1 HZ05110
F
D
BA
PZ101 J1
2 1
HZ057
2
X1 X2
UZ001 GND FAULT
XFMR
RZ003
7
1
1
1
8
HZ0022
10
KZ010
A1A2
LH START RLY
IND
5
1
4
1387
91110
12
PZ081KZ011
A1A2
LH PWR RLY
IND
5
1
4
1387
91110
12
PZ083
LH J-BOX
KZ008
A1A2
MASTER INTERIOR RELAY
IND
5
1
4
1387
91110
12
PZ087
1
HZ007 INTERIOR
BUS BAR
(10)
21HZ117 25
21HZ115 5
21
HZ1095
HZ015INT BUS #1
DROPPED AISLE LTS
21HZ073
15
REFRESHMENT CTR
ENTERTAINMENT CTR
(20)
(12)
(20)
PZ105J5LH J-BOX
1
3
12
10
2 1
INTERIOR MASTER RELAY
E
TAIL
C
AZ007
AZ009
TAIL
(12)
G
H(REF PWR DIST W/A)
PZ101J1TAILLH J-BOX
(20)
21
HZ030 60A
21HZ099 7.5
21HZ101 7.521HZ103 15
INT BUS #2
HZ0161
TOILET/DRAIN HTRS
CABIN LTS
INDIRECT LTS
12 HZ0717.5
12 HZ0635
LH CH A FADEC
OXY/SEAT BELT LT
2 1
4
3 5 HZ067 LH LIMITER
J3
(20)
(REF OXY W/A)
HZ041LH GEN BUS BAR
(REF PWR DIST W/A)
WX
Y
U*E
(20)
(20)
12 HZ0697.5
12 HZ0652
RH CH B FADEC
LH BUS SENSE
2 1 HZ0555 MAX COOL SOLENOID12 HZ0535 LH WING A/I VALVE
(REF AIR COND W/A) *A
V
*B
*D
*C(REF FADEC A/I W/A)
(10)
10
(REF PWR DIST W/A)(REF LH PWR DIST)
INT INVERTER
LH-JBOX
(REF PWR DIST W/A)
(18)
FDR LH BUS LIMIT MON(FLIGHT DATA REC W/A) *V
21HZ033 INT SPARE PWR
60A (REF INTERIOR)
12
12
12
(REF POWER DIST W/A)
LH #1 C/B PWR BUS
(10)
12HZ1072.5
3
HZ035
2
1
HZ035 LH #1 C/B PWR BUS
12
(WHT)(BLU)
12 HZ1335
21
HZ1355
EMER J-BOX
LH SRT RLY
BATT RLY
1
HZ008
(16)
AZ001
(REF INT)
14
14
1414
14
CABIN BRIEFER
CABIN DISPLAY
XM DATALINK
12
STORMSCOPE
TELEPHONE 1
DME 2
HF
VHF DATALINK
P
R
S
T
U
V
W
PZ103 J3
ADF 1N
1
HZ037
12 HZ131512 HZ089512 HZ091512 HZ125512 HZ083512 HZ129512 HZ087512 HZ0855
12 HZ09510
(10)
(REFER TO FIG 06, SHEET 4)
P
P9J9(16)(REFER TO SHEET 3)
(REF PWR DIST)
(REF ADF W/A)
(REF STORMSCOPE W/A)
(REF CABIN DISPLAY W/A)
(REF CABIN BRIEFER W/A)
(REF DME W/A)
(REF HF COMM W/A)
(REF DATALINK W/A)
(REF TELEPHONE W/A)
*U 12 HZ0935 TELEPHONE 2(REF TELEPHONE W/A) LH J-BOX
(REFER TO FIG 05, SHEET 4) (REFER TO FIG 02, SHEET 4)
*Y
21HZ0592
12 HZ1217.512 HZ1237.5
12 HZ1195*T
*S
*R
(20)
(20)
CABIN PHONE HANDSET
ATG
INMARSAT
(20)
(REF IRIDIUM PHONE W/A)
(REF ATG INTERNET W/A)
(REF INMARSAT W/A)
KZ073
A3
A1A2
B2B3
B1
X1
X2
POWER CONTACTOR DISC RELAY
DZ073BLK
WHT
AA
BB
PZ101 J1
(REF PWR DIST W/A)
(REFER TO FIG 06, SHEET 4)
(BLU)(WHT)
DZ081BLKWHT
M
P9 J9(REF)
(REFER TO SHEET 3)
USB POWER & AC CONTROL 21HZ097 5
P
T
R
KK
C
D
F
(16)
(16)(16)
START LIGHTS
(REFER TO FIG 05)
KZ083
A3
A1A2
B2B3
B1X1
X2
ORN
WHTBLU
GRN
BRN
1
2
RED
BLK
YEL
0.5 SEC TIME DELAY
DZ085WHT
(18)
(REFER FIG 02, SHEET 4)
K
OPTIONAL POWER BUS
(REF PWR DIST W/A)
PZ103TAIL LH J-BOX
*Z (16)
(16)*Y
PZ105TAIL LH J-BOX
J5
(REF EXT LTS W/A) J
152 1
22
1
22
1
1253
4
HZ0811
HZ079HZ077
HZ075
LH GENERATOR
LH GEN SENSE
LH VOLTMETER
LH STRT CNTRL PCB P9LH J-BOX
J9EMER J-BOX
CB (REFER TO SHEET 3)
(REF PWR DIST W/A)
2
2
80
1
80
1 HZ021
HZ022
2
80
1
HZ004LH POWER FEED BUS
HZ023 LH No. 3DC POWER
LH No. 2 DC POWER
LH No. 1 DC POWER
(REFER TO SHEET 4)2
REFER TO 23-16-01
REFER TO 23-10-03
REFER TO 23-10-02
REFER TO 24-30-01
REFER TO 34-51-01
REFER TO 23-50-01
REFER TO 44-20-01
REFER TO 23-10-02
REFER TO 34-52-01
REFER TO 34-44-01
REFER TO 23-10-02
REFER TO 24-30-01
REFER TO 24-30-01
REFER TO 24-30-01
REFER TO 24-30-01
REFER TO 24-30-01
REFER TO 35-10-01
REFER TO 77-10-03
REFER TO 21-50-01
REFER TO 24-30-01
REFER TO 24-30-01
REFER TO 33-40-01
REFER TO 24-30-03
REFER TO 24-30-01
REFER TO 24-30-01
REFER TO 24-30-01
REFER TO 24-30-01
HZ002
REFER TO 24-30-01
REFER TO 24-30-01
6308240U20
POWER J-BOXFigure 06. (Sheet 1)
CESSNA®
MODEL 525 (SERIALS -0685 AND -0800 AND ON)WIRING DIAGRAM MANUAL
©TEXTRON AVIATION INC.
24-60-01
Figure 06Page 2
ICA-525-24-00004 Aug/04/2021
POWER J-BOX
AIRPLANES 1097 & ON
REF
DES PART NUMBER
NOMENCLATURE
EFFECTIVITY
UNITS
PER
ASSY1 2 3 4 5 6 7
AZ001 M81824/1-1 SPLICE (ZONE 322) 1097 & ON 01
AZ007 M81714/65-20-1 SPLICE 0A744 1097 & ON 01
AZ009 M81714/65-20-1 SPLICE 0A744 1097 & ON 01
DZ073 S3106-4 DIODE (ZONE 322) 1097 & ON 01
DZ081 S3106-4 DIODE 1097 & ON 01
DZ085 S3106-4 DIODE 1097 & ON 01
HZ020 ANL225 LIMITER (ZONE 311) 71400 1097 & ON 01
HZ021 ANL-80 FUSE (ZONE 311) 71400 1097 & ON 01
HZ022 ANL-80 FUSE (ZONE 311) 71400 1097 & ON 01
HZ023 ANL-80 FUSE (ZONE 311) 71400 1097 & ON 01
HZ030 ANL60 FUSE LIMITER 71400 1097 & ON 01
HZ033 ANL60 FUSE LIMITER 71400 1097 & ON 01
HZ051 S2899-5.0 CIRCUIT BREAKER (ZONE 322) 82647 1097 & ON 01
HZ053 S2899-5.0 CIRCUIT BREAKER 82647 1097 & ON 01
HZ055 S2899-5.0 CIRCUIT BREAKER (ZONE 311) 82647 1097 & ON 01
HZ057 S2899-2.0 CIRCUIT BREAKER (ZONE 311) 82647 1097 & ON 01
CM2692-15-1S . PLUG BUTTON 01
HZ059 S2899-2.0 CIRCUIT BREAKER (ZONE 311) 82647 1097 & ON 01
HZ061 S2899-5.0 CIRCUIT BREAKER (ZONE 311) 82647 1097 & ON 01
HZ063 S2899-5.0 CIRCUIT BREAKER (ZONE 322) 82647 1097 & ON 01
HZ065 S2899-2.0 CIRCUIT BREAKER (ZONE 311) 82647 1097 & ON 01
HZ067 S2899A5.0 CIRCUIT BREAKER (ZONE 311) 1097 & ON 01
HZ069 S2899-7.5 CIRCUIT BREAKER (ZONE 311) 82647 1097 & ON 01
HZ071 S2899-7.5 CIRCUIT BREAKER (ZONE 311) 82647 1097 & ON 01
HZ073 S2899-15.0 CIRCUIT BREAKER (ZONE 311) 1097 & ON 01
HZ075 S2899A5.0 CIRCUIT BREAKER (ZONE 311) 1097 & ON 01
HZ077 S2899-2.0 CIRCUIT BREAKER (ZONE 311) 82647 1097 & ON 01
HZ079 S2899-2.0 CIRCUIT BREAKER (ZONE 311) 82647 1097 & ON 01
HZ081 S2899-15.0 CIRCUIT BREAKER (ZONE 311) 1097 & ON 01
HZ083 S2899-5.0 CIRCUIT BREAKER (ZONE 311) 82647 1097 & ON 01
10237-2 . CIRCUIT BREAKER LOCK OUT 0CUF4 01
HZ085 S2899-5.0 CIRCUIT BREAKER (ZONE 311) 82647 1097 & ON 01
10237-2 . CIRCUIT BREAKER LOCK OUT 0CUF4 01
HZ087 S2899-5.0 CIRCUIT BREAKER (ZONE 311) 82647 1097 & ON 01
10237-2 . CIRCUIT BREAKER LOCK OUT 0CUF4 01
HZ089 S2899-5.0 CIRCUIT BREAKER (ZONE 311) 82647 1097 & ON 01
10237-2 . CIRCUIT BREAKER LOCK OUT 0CUF4 01
HZ091 S2899-5.0 CIRCUIT BREAKER (ZONE 311) 82647 1097 & ON 01
10237-2 . CIRCUIT BREAKER LOCK OUT 0CUF4 01
HZ093 S2899-5.0 CIRCUIT BREAKER (ZONE 311) 82647 1097 & ON 01
10237-2 . CIRCUIT BREAKER LOCK OUT 0CUF4 01
HZ095 S2899-10.0 CIRCUIT BREAKER (ZONE 311) 01295 1097 & ON 01
10237-2 . CIRCUIT BREAKER LOCK OUT 0CUF4 01
HZ097 S2899-5.0 CIRCUIT BREAKER (ZONE 311) 82647 1097 & ON 01
HZ099 S2899-7.5 CIRCUIT BREAKER 82647 1097 & ON 01
HZ101 S2899-7.5 CIRCUIT BREAKER (ZONE 311) 82647 1097 & ON 01
HZ103 S2899-15.0 CIRCUIT BREAKER (ZONE 311) 1097 & ON 01
HZ107 S2899-2.5 CIRCUIT BREAKER 1097 & ON 01
10237-2 . CIRCUIT BREAKER LOCK OUT 0CUF4 01
CESSNA®
MODEL 525 (SERIALS -0685 AND -0800 AND ON)WIRING DIAGRAM MANUAL
©TEXTRON AVIATION INC.
24-60-01
Figure 06Page 3
ICA-525-24-00004 Aug/04/2021
POWER J-BOX
AIRPLANES 1097 & ON
REF
DES PART NUMBER
NOMENCLATURE
EFFECTIVITY
UNITS
PER
ASSY1 2 3 4 5 6 7
HZ109 S2899-5.0 CIRCUIT BREAKER 82647 1097 & ON 01
HZ115 S2899-5.0 CIRCUIT BREAKER 82647 1097 & ON 01
HZ117 S2899-25.0 CIRCUIT BREAKER 1097 & ON 01
HZ119 S2899A5.0 CIRCUIT BREAKER 1097 & ON 01
10237-2 . CIRCUIT BREAKER LOCK OUT 0CUF4 01
HZ121 S2899-7.5 CIRCUIT BREAKER 82647 1097 & ON 01
10237-2 . CIRCUIT BREAKER LOCK OUT 0CUF4 01
HZ123 S2899-7.5 CIRCUIT BREAKER 82647 1097 & ON 01
10237-2 . CIRCUIT BREAKER LOCK OUT 0CUF4 01
HZ125 S2899-5.0 CIRCUIT BREAKER 82647 1097 & ON 01
10237-2 . CIRCUIT BREAKER LOCK OUT 0CUF4 01
HZ129 S2899-5.0 CIRCUIT BREAKER 82647 1097 & ON 01
HZ131 S2899-5.0 CIRCUIT BREAKER 82647 1097 & ON 01
10237-2 . CIRCUIT BREAKER LOCK OUT 0CUF4 01
HZ133 S2899-5.0 CIRCUIT BREAKER 82647 1097 & ON 01
HZ135 S2899-5.0 CIRCUIT BREAKER 82647 1097 & ON 01
J1 MS27497E24F61S CONNECTOR 96906 1097 & ON 01
S3627-24 . BACKSHELL 01
J3 MS27497E24F4S CONNECTOR 96906 1097 & ON 01
S3627-24 . BACKSHELL 01
J5 MS27497E24F24S CONNECTOR 96906 1097 & ON 01
S3627-24 . BACKSHELL 01
J9 MS27497E14F15SA CONNECTOR 96906 1097 & ON 01
M85049/27-14N . BACKSHELL 01
KZ008 S3602-2 CONTACTOR 1097 & ON 01
KZ010 S3602-2 CONTACTOR (ZONE 311) 1097 & ON 01
KZ011 S3602-2 CONTACTOR (ZONE 311) 1097 & ON 01
KZ083 76505-5YD RELAY 2X920 1097 & ON 01
P9 MS27484T14F15PA CONNECTOR 96906 1097 & ON 01
M85049/27-14N . BACKSHELL 01
PZ081 MS27484T10F35S CONNECTOR 96906 1097 & ON 01
S3627-10-90 . BACKSHELL 96906 01
PZ083 MS27484T10F35S CONNECTOR 96906 1097 & ON 01
PZ087 MS27484T10F35S CONNECTOR 96906 1097 & ON 01
S3627-10-90 . BACKSHELL 96906 01
PZ101 MS27484T24F61P CONNECTOR 96906 1097 & ON 01
S3627-24 . BACKSHELL 01
PZ103 MS27484T24F4P CONNECTOR 96906 1097 & ON 01
S3627-24 . BACKSHELL 01
PZ105 MS27484T24F24P CONNECTOR 96906 1097 & ON 01
S3627-24 . BACKSHELL 01
RZ003 S2609-3 SHUNT ASSEMBLY (ZONE 311) 2X920 1097 & ON 01
UZ001 TRANSFORMER (ZONE 311) RF
CESSNA®
MODEL 525 (SERIALS -0685 AND -0800 AND ON)WIRING DIAGRAM MANUAL
©TEXTRON AVIATION INC.
24-60-01
Figure 06Page 4
ICA-525-24-00004 Aug/04/2021
This Page Intentionally Left Blank.
ICA-525-24-00004 Aug/04/2021
KZ009
A1 A2
EXT PWR RELAY
IND
KZ007
A1 A2
RH PWR RELAY
IND
5
1
4
1387
91110
12
PZ082KZ012
A1 A2
RH START RELAY
IND
X1X2
UZ002
GND FAULT XFMR
8
225A
#1 DC PWR STUD
#2 DC PWR STUD
#3 DC PWR STUD
21HZ025
21HZ026
21HZ027
21HZ028100A
80A
80A
80A
(REF AIR COND W/A)
WV
Y
*A
PZ102RH J-BOX
J2
2 1
43 5 HZ074
1
12 HZ06815
12 HZ0722
12 HZ0702
2
HZ006 SWITCHED BATTERY
BUS BAR
*E*F
*C*D
(WHT)(20)(BLU)(20)
(WHT)(20)(BLU)(20)
2
RZ004
1
7
RH GEN ANNUN12
HZ094
2
HZ011BUS BAR
HZ013BUS BAR
DZ090BLK WHT
(REER TO SHT 5)
HZ008BUS BAR
(REF PWR DIST W/A)
(REF PWR DIST W/A)
(REF PWR DIST W/A)
HZ001
BUS BAR
1 4
(BLU)(WHT)
X(REF COCKPT&EMER LTS W/A)
Z(REF PWR DIST W/A)
AZ006
AZ008
*B*G*H
12HZ104
2.5STD PWR RELAY EMER LTS
(REF PWR DIST W/A)
CDE
B
*Y
*Z
PZ104RH J-BOXJ4
RH LIMITER
RH LAND/REC LTS12 HZ0565
(REF EXTERIOR LTS W/A)
K
S
N
2 1 HZ0645 RH WING A/I VALVE
GROUND
VALID GND OUT
28VDC INRED
GRN
BLK
OVERVOLTAGE MONITOR
(VEND)
(VEND)
(VEND)
CB
P8RH/EMER J-BOX
J8
(REF PWR DIST W/A)
UZ003
GND REC BEACON12 HZ0605
NAV LTS12 HZ0585
ANTI COLL LTS12 HZ0547.5
BB
HZ036 RH #1 C/B PWR BUS
J
H
2
(REF FADEC A/I W/A)
RH PT2/T2 PROBE HTR
L
1
G(REF BAGGAGE SMOKE DETECT W/A)
AZ003AZ004AZ005
12 HZ06610
12 HZ0787.5
12 HZ0807.5
12 HZ0522 RH BUS SENSE
LH CH B FADEC
RH CH A FADEC
(REFER TO SHT 5)
TAIL
TAIL
(REF PWR DIST W/A)
T
UM
(REF PCB DIAG I/F W/A)
(REF PWR DIST W/A)
(20)
(10)
(16)
(20)
(20)
(20)
RH-JBOX
2
(REFER TO SHT 5)
RH GEN
RH GEN SENSE
RH START CONTROL PCB
RH VOLTMETER
TAIL FLOOD LTS
(REF PWR DIST W/A)
2
(18)
(EXTERNAL PWR FEED) (REF PWR DIST)
*U(REF FLIGHT DATA REC W/A)
WING INSP LT12 HZ0885
BAG SMOKE DET
A/C CONDENSER12 HZ09020
12 HZ0865
12 HZ0982.5
12 HZ09225 HF RADIO
FDR RH BUS LIMIT MON
12 HZ0825 PCB DIAGNOSTICS
12 HZ1065 ELT
(REFER TO FIG 01, SHT 2)
(10)
K
P8 J8
(12)
(REF ZONE 74E)
(12)
12 HZ1105
12 HZ1165
12 HZ112512 HZ1145
DISPATCH C/B #4
DISPATCH C/B #3
DISPATCH C/B #2
DISPATCH C/B #1*Y
*X
*W(REF PWR DIST W/A)
10
10
12
12
12
12
12 HZ0625
1
HZ038 RH #2 C/B PWR BUS
(20)
(20)
(REF EXTERIOR LTS W/A)
J
A
PZ106 J6RH J-BOX
1
HZ042BUS BAR
1
HZ010 DISPATCH BUS
(10)
RH GEN C/B PWR BUS
2 1
43 5 HZ050
1HZ014
RH POWER FEED BUS
(REF PWR DIST W/A)
TAIL
HZ024
21
HZ126
5
21
HZ1285
EXT PWR RELAY
RH STRT RLY
AZ002
(20)(20)(20)
14
14
14
14
(16)
(20)
(WHT)(VEND)(BLU)(VEND)
(0)
1
4
1387
91110
12
PZ084
5
1
4
1387
91110
12
PZ086
5
(REFER TO FIG 01, SHT 2
(REFER TO FIG 01, SHT 2)
(REFER TO FIG 01, SHT 2)
(REFER TO FIG 01, SHT 2
(REFER TO FIG 01, SHT 2)
(REFER TO FIG 01, SHT 2)
JP8J8
(REFER TO SHT 10)
(REFER TO FIG 01, SHT 2)
HH
POWER CONTACTOR DISC RELAY
DZ074BLK
WHT
KZ074
A3
A1A2
B2B3
B1
X1
X2
KKJJ
DZ084BLK WHT
(REFER TO FIG 01, SHT 2)
KZ084
A3
A1A2
B2B3
B1X1
X2
0.5 SEC TIME DELAY
TIMER
2
1
DZ086BLKWHT
BRNYEL
(18)
REFER TO 24-30-02
REFER TO 33-40-01
REFER TO 33-40-01
REFER TO 24-30-02
REFER TO 24-30-02
REFER TO 33-50-01
REFER TO 24-30-02
REFER TO 77-10-03
REFER TO 26-10-02
REFER TO 45-10-01
REFER TO 24-30-02
REFER TO 24-30-02
REFER TO 24-30-02
REFER TO 24-30-02
REFER TO 24-30-02
REFER TO 24-30-02
REFER TO 1-50-01
REFER TO 24-30-02
REFER TO 24-30-02
6308240U19
POWER J-BOXFigure 06. (Sheet 2)
CESSNA®
MODEL 525 (SERIALS -0685 AND -0800 AND ON)WIRING DIAGRAM MANUAL
©TEXTRON AVIATION INC.
24-60-01
Figure 06Page 6
ICA-525-24-00004 Aug/04/2021
POWER J-BOX
AIRPLANES 1097 & ON
REF
DES PART NUMBER
NOMENCLATURE
EFFECTIVITY
UNITS
PER
ASSY1 2 3 4 5 6 7
AZ002 M81824/1-1 SPLICE 1097 & ON 01
AZ003 M81714/65-20-1 SPLICE 0A744 1097 & ON 01
AZ004 M81714/65-20-1 SPLICE 0A744 1097 & ON 01
AZ005 M81714/65-20-1 SPLICE 0A744 1097 & ON 01
AZ006 M81714/65-20-1 SPLICE 0A744 1097 & ON 01
AZ008 M81714/65-20-1 SPLICE 0A744 1097 & ON 01
DZ074 S3106-4 DIODE 1097 & ON 01
DZ084 S3106-4 DIODE 1097 & ON 01
DZ086 S3106-4 DIODE 1097 & ON 01
DZ090 S3106-3 DIODE 06090 1097 & ON 01
HZ024 ANL225 LIMITER (ZONE 322) 71400 1097 & ON 01
HZ025 ANL-80 FUSE (ZONE 322) 71400 1097 & ON 01
HZ026 ANL-80 FUSE (ZONE 322) 71400 1097 & ON 01
HZ027 ANL-80 FUSE (ZONE 322) 71400 1097 & ON 01
HZ028 ANL100 CURRENT LIMITER (ZONE 322) 71400 1097 & ON 01
S1367-7-13 . TERMINAL AR
HZ050 S2899A5.0 CIRCUIT BREAKER (ZONE 322) 1097 & ON 01
HZ052 S2899-2.0 CIRCUIT BREAKER (ZONE 322) 82647 1097 & ON 01
HZ054 S2899-7.5 CIRCUIT BREAKER (ZONE 322) 82647 1097 & ON 01
HZ056 S2899-5.0 CIRCUIT BREAKER (ZONE 322) 82647 1097 & ON 01
HZ058 S2899-5.0 CIRCUIT BREAKER (ZONE 322) 82647 1097 & ON 01
HZ060 S2899-5.0 CIRCUIT BREAKER (ZONE 322) 82647 1097 & ON 01
HZ062 S2899-5.0 CIRCUIT BREAKER (ZONE 322) 82647 1097 & ON 01
10237-2 . CIRCUIT BREAKER LOCK OUT 0CUF4 01
HZ064 S2899-5.0 CIRCUIT BREAKER (ZONE 322) 82647 1097 & ON 01
HZ066 S2899-5.0 CIRCUIT BREAKER (ZONE 322) 82647 1097 & ON 01
HZ068 S2899-15.0 CIRCUIT BREAKER (ZONE 322) 1097 & ON 01
HZ070 S2899-2.0 CIRCUIT BREAKER (ZONE 322) 82647 1097 & ON 01
HZ072 S2899-2.0 CIRCUIT BREAKER (ZONE 322) 82647 1097 & ON 01
HZ074 S2899A5.0 CIRCUIT BREAKER (ZONE 312) 1097 & ON 01
HZ078 S2899-7.5 CIRCUIT BREAKER (ZONE 312) 82647 1097 & ON 01
HZ080 S2899-7.5 CIRCUIT BREAKER (ZONE 322) 82647 1097 & ON 01
HZ082 S2899-5.0 CIRCUIT BREAKER (ZONE 322) 82647 1097 & ON 01
HZ086 S2899-5.0 CIRCUIT BREAKER (ZONE 322) 82647 1097 & ON 01
10237-2 . CIRCUIT BREAKER LOCK OUT 0CUF4 01
HZ088 S2899-5.0 CIRCUIT BREAKER (ZONE 322) 82647 1097 & ON 01
HZ090 S2899-20.0 CIRCUIT BREAKER (ZONE 322) 1097 & ON 01
HZ092 S2899-25.0 CIRCUIT BREAKER (ZONE 322) 1097 & ON 01
10237-2 . CIRCUIT BREAKER LOCK OUT 0CUF4 01
HZ094 S2899-2.0 CIRCUIT BREAKER (ZONE 322) 82647 1097 & ON 01
HZ098 S2899-2.5 CIRCUIT BREAKER (ZONE 322) 1097 & ON 01
10237-2 . CIRCUIT BREAKER LOCK OUT 0CUF4 01
HZ104 S2899-2.5 CIRCUIT BREAKER 1097 & ON 01
HZ106 S2899-5.0 CIRCUIT BREAKER 82647 1097 & ON 01
HZ110 S2899-5.0 CIRCUIT BREAKER 82647 1097 & ON 01
HZ112 S2899-5.0 CIRCUIT BREAKER 82647 1097 & ON 01
HZ114 S2899-5.0 CIRCUIT BREAKER 82647 1097 & ON 01
HZ116 S2899-5.0 CIRCUIT BREAKER 82647 1097 & ON 01
HZ126 S2899-5.0 CIRCUIT BREAKER 82647 1097 & ON 01
CESSNA®
MODEL 525 (SERIALS -0685 AND -0800 AND ON)WIRING DIAGRAM MANUAL
©TEXTRON AVIATION INC.
24-60-01
Figure 06Page 7
ICA-525-24-00004 Aug/04/2021
POWER J-BOX
AIRPLANES 1097 & ON
REF
DES PART NUMBER
NOMENCLATURE
EFFECTIVITY
UNITS
PER
ASSY1 2 3 4 5 6 7
HZ128 S2899-5.0 CIRCUIT BREAKER 82647 1097 & ON 01
J2 MS27497E24F61SA CONNECTOR 96906 1097 & ON 01
S3627-24 . BACKSHELL 01
J4 MS27497E24F4SA CONNECTOR 96906 1097 & ON 01
S3627-24 . BACKSHELL 01
J6 MS27497E24F24SA CONNECTOR 96906 1097 & ON 01
S3627-24 . BACKSHELL 01
98414-G06-44ULF . HEADER 44PIN 2MM SP 22526 01
J8 MS27497E14F15S CONNECTOR 96906 1097 & ON 01
M85049/27-14N . BACKSHELL 01
KZ007 S3602-2 CONTACTOR (ZONE 322) 1097 & ON 01
KZ009 S3602-2 CONTACTOR (ZONE 311) 1097 & ON 01
KZ012 S3602-2 CONTACTOR (ZONE 322) 1097 & ON 01
KZ074 M83536/9-024 RELAY 2X920 1097 & ON 01
JRS200300 . RELAY SOCKET 58982 01
M39029/92-533 . RPIN 58982 01
KZ084 76505-5YD RELAY 2X920 1097 & ON 01
P8 MS27484T14F15PN CONNECTOR 96906 1097 & ON 01
M85049/27-14N . BACKSHELL 01
PZ082 MS27473T10F35S CONNECTOR 96906 1097 & ON 01
S3627-10-90 . BACKSHELL 96906 01
PZ084 MS27473T10F35S CONNECTOR 96906 1097 & ON 01
S3627-10-90 . BACKSHELL 96906 01
PZ086 MS27473T10F35S CONNECTOR 96906 1097 & ON 01
S3627-10-90 . BACKSHELL 96906 01
PZ102 MS27484T24F61PA CONNECTOR 96906 1097 & ON 01
S3627-24 . BACKSHELL 01
PZ104 MS27484T24F4PA CONNECTOR 96906 1097 & ON 01
S3627-24 . BACKSHELL 01
PZ106 MS27484T24F24PA CONNECTOR 96906 1097 & ON 01
S3627-24 . BACKSHELL 01
RZ004 S2609-3 SHUNT ASSEMBLY 2X920 1097 & ON 01
UZ002 TRANSFORMER (ZONE 322) RF
UZ003 OVERVOLTAGE DETECTOR (ZONE 322) RF
CESSNA®
MODEL 525 (SERIALS -0685 AND -0800 AND ON)WIRING DIAGRAM MANUAL
©TEXTRON AVIATION INC.
24-60-01
Figure 06Page 8
ICA-525-24-00004 Aug/04/2021
This Page Intentionally Left Blank.
ICA-525-24-00004 Aug/04/2021
JFCA
PZ107TAIL
J7EMER J-BOX
KZ014A1
A2
12
34
EMER POWER RELAY
1 2
HZ154
20
RH EMERG PWR
LH START CNTRL PCB
HOT BATTERY BUS
HZ006 SWITCHED
BATTERY BUS
1 2HZ146 5
1 2HZ145 2
1 2HZ144 5
1 2HZ139 2
21
435HZ143
21
435HZ138
BATT DISC RELAY
AFT/FWD COMP LTS
ELT REMOTE SWITCH
BATTERY VOLTAGE
RH START CNTRL PCB
(REF PWR DIST W/A)
(REF INTERIOR LTS)
HZ019EMER PWR BUS
LH POWER J-BOX
RH POWER J-BOX
EMERGENCY POWER J-BOX
(REF PWR DIST W/A)
HZ017
A
PZ102TAIL
J2RH J-BOX
HZ012 HOT BATT
CB BUS
10 (10)
12
A
BC
DE
P8RH J-BOX
J8EMER J-BOX
CB
AE
G
P9LH J-BOX
J9EMER J-BOX
HZ008
2
KZ013
A1 A2
BATTERY RELAY
IND
5
1
4
1387
91110
12
PZ085
1
BUS BAR
1
BUS BARHZ018
2
1 2
HZ15330
LH EMER PWR
5
F
F
1 2HZ148 5
1 2HZ149 5
RH WING A/I
LH WING A/I
21HZ151 5
21HZ150 2
EMER LTS 1
EMER IMPACT SW RESET
D
(REF COCKPIT & EMER LTS)
*F*H
PZ101 J1LH J-BOXTAIL
PR
LH C/B PNL EMER BUS
RH C/B PNL EMER BUS
POS BATT TERMINAL
K
LK
LKS
G CC21HZ1082.5
(20)
(REF PWR DIST)
M
(REF PWR DIST W/A)(REF PWR DIST W/A)
14
21
HZ1475
(REF PWR DIST)
(16)
CVR
(6) (REF PWR DIST)
HZ009 AUX BATTERY BUS BAR
D
JH
1
LH JBOX EMER JBOX
M
P P
(16)
12
HZ1112
12HZ900100A
*X
(16)
E
DZ013BLKWHT
DZ017BLKWHT
(16)
REFER TO FIGURE 1
REFER TO FIGURE 1
REFER TO FIGURE 1
REFER TO SHEET 4
REFER TO FIGURES 1 AND 2
REFER TO FIGURE 1 AND SHEET 5
REFER TO FIGURE 1
REFER TO FIGURE 1 AND SHEET 2REFER TO FIGURES 1 AND 2REFER TO FIGURES 1 AND 2
REFER TO FIGURES 1 AND 2REFER TO FIGURE 1
REFER TO FIGURE 1
REFER TO FIGURE 1 REFER TO FIGURE 1
REFER TO FIGURE 1
REFER TO 24-30-01
REFER TO 24-30-01
REFER TO 24-30-02
REFER TO 33-50-01
REFER TO 24-30-02REFER TO 33-20-01
REFER TO 24-30-01 AND 24-30-02
REFER TO 24-30-01REFER TO 24-30-01
6308240U10
POWER J-BOXFigure 06. (Sheet 3)
CESSNA®
MODEL 525 (SERIALS -0685 AND -0800 AND ON)WIRING DIAGRAM MANUAL
©TEXTRON AVIATION INC.
24-60-01
Figure 06Page 10
ICA-525-24-00004 Aug/04/2021
POWER J-BOX
AIRPLANES 1097 & ON
REF
DES PART NUMBER
NOMENCLATURE
EFFECTIVITY
UNITS
PER
ASSY1 2 3 4 5 6 7
DZ013 S3106-3 DIODE 06090 1097 & ON 01
DZ017 S3106-3 DIODE 06090 1097 & ON 01
HZ108 S2899-2.5 CIRCUIT BREAKER (ZONE 311) 1097 & ON 01
HZ111 S2899-2.0 CIRCUIT BREAKER 82647 1097 & ON 01
HZ138 S2899A5.0 CIRCUIT BREAKER 1097 & ON 01
HZ139 S2899-2.0 CIRCUIT BREAKER 82647 1097 & ON 01
HZ143 S2899A5.0 CIRCUIT BREAKER 1097 & ON 01
HZ144 S2899-5.0 CIRCUIT BREAKER 82647 1097 & ON 01
HZ145 S2899-2.0 CIRCUIT BREAKER 82647 1097 & ON 01
HZ146 S2899-5.0 CIRCUIT BREAKER 82647 1097 & ON 01
HZ147 S2899-5.0 CIRCUIT BREAKER 82647 1097 & ON 01
10237-2 . CIRCUIT BREAKER LOCK OUT 0CUF4 01
HZ148 S2899-5.0 CIRCUIT BREAKER 82647 1097 & ON 01
HZ149 S2899-5.0 CIRCUIT BREAKER 82647 1097 & ON 01
HZ150 S2899-2.0 CIRCUIT BREAKER 82647 1097 & ON 01
HZ151 S2899-5.0 CIRCUIT BREAKER 82647 1097 & ON 01
HZ153 S3189-30A CIRCUIT BREAKER 1097 & ON 01
HZ154 S3189-20A CIRCUIT BREAKER 1097 & ON 01
HZ900 ANL100 CURRENT LIMITER 71400 1097 & ON 01
J1 MS27497E24F61S CONNECTOR 96906 1097 & ON 01
S3627-24 . BACKSHELL 01
J2 MS27497E24F61SA CONNECTOR 96906 1097 & ON 01
S3627-24 . BACKSHELL 01
J7 MS27497E20F39S CONNECTOR 96906 1097 & ON 01
M85049/27-20N . BACKSHELL 01
J8 MS27497E14F15S CONNECTOR 96906 1097 & ON 01
M85049/27-14N . BACKSHELL 01
J9 MS27497E14F15SA CONNECTOR 96906 1097 & ON 01
M85049/27-14N . BACKSHELL 01
KZ013 S3602-2 CONTACTOR (ZONE 322) 1097 & ON 01
KZ014 29.021.12.943 RELAY - 75 AMP CHANGE OVER D1510 1097 & ON 01
P8 MS27484T14F15PN CONNECTOR 96906 1097 & ON 01
M85049/27-14N . BACKSHELL 01
P9 MS27484T14F15PA CONNECTOR 96906 1097 & ON 01
M85049/27-14N . BACKSHELL 01
PZ085 MS27484T10F35S CONNECTOR 96906 1097 & ON 01
S3627-10-90 . BACKSHELL 96906 01
PZ101 MS27484T24F61P CONNECTOR 96906 1097 & ON 01
S3627-24 . BACKSHELL 01
PZ102 MS27484T24F61PA CONNECTOR 96906 1097 & ON 01
S3627-24 . BACKSHELL 01
PZ107 MS27484T20F39P CONNECTOR 96906 1097 & ON 01
S3627-20 . BACKSHELL 01
CESSNA®
MODEL 525 (SERIALS -0685 AND -0800 AND ON)WIRING DIAGRAM MANUAL
©TEXTRON AVIATION INC.
24-60-01
Figure 06Page 11
ICA-525-24-00004 Aug/04/2021
LH J-BOX RELAYS
KZ015
A3
A1A2
B2
C2
D2
B3
B1C3
C1D3
D1X1
X2 EMER PRESS RELAY DZ015
BLKWHT
PZ103
(LH PWR J-BOX)
J3
D
E
GH
JLKM
(20)(WHT)
(20)(WHT)(20)(WHT)
(20)(WHT)
(20)(WHT)
(20)
(20)
DZ027
BLK WHT
LH F/W SHUTOFF RELAY
(20)(WHT)
PZ103J3(LH J-BOX)
*C
Z
*W
B
*A
A
Y
DZ033BLKWHT
X
DZ021BLK WHT
DZ029BLK WHT
L WING A/I O'HEAT RELAY
DZ019BLK WHT
L ENG A/I VALVE RELAY
*V
C
L WING A/I VALVE PWR RLY
(EMER J-BOX)
KZ021
A3
A1A2
B2B3
B1X1
X2
KZ019
A3
A1A2
B2B3
B1X1
X2
KZ023
A3
A1A2
B2B3
B1X1
X2
DZ025BLK WHT
(TAIL)
(LH J-BOX)
KZ037 R ENG A/I VALVE LOAD RELAY
A3
A1B3
B1
A2
B2
X1
X2 KZ035 L ENG A/I VALVE LOAD RELAY
A3
A1B3
B1
A2
B2
X1
X2
KZ039 BLD AIRLOAD CNTL RELAY
A3
A1B3
B1
A2
B2
X1
X2
DZ039BLK WHT
DZ035
BLK WHT
DZ037BLKWHT
*B
AA*D*E*F
H
PZ105J5
LH J-BOX
23
4
5
P11J10LH CURRENT SENSOR DISC
TAIL
21
P13J11
LH CURRENT SENSOR DISC21
HZ051 5LH PT2 HEATER
(16)
TAIL
13(16)
F
P9 J9
LH WING ANTI-ICE VALVE
(REFER TO SHEET 3)
*S*T
*G
*I
*J*K
*M*N
*P
*Q
*R
LLMM
NN
PP
PZ101TAIL
J1(LH PWR J-BOX)
L
HZ035
HZ035
(REFER TO SHEET 5)
(REF WING/ENG A/I W/A)
(REF F/W & FIRE EXT W/A)
(REF W/S A/I W/A)
(REF W/S A/I W/A)
(REF WING/ENG A/I W/A)
J
(20)
(20)
(20) (REF PWR DIST W/A)KZ027
D3
D1D2
C2
B2
A2
C3
C1B3
B1A3
A1
X1
X2
DZ023
BLK WHT
(REF PWR DIST W/A)
(REF FADEC A/I W/A)
21HZ053 5
8
(20)
(20)
KZ055
A3
A1A2
B2B3
B1X1
X2 ENG START BATT DISC RLY
(REFER TO SHEET 1)
*U
HGD
DZ055
BLK
WHT
21HZ135 5BATT RLY
HZ008
KZ075A2
A3
A1X1
X2
DZ075
BLK
WHT *WZ
PZ101J1(LH J-BOX) TAIL
FDR RELAY
(REFER TO SHEET 1)
DZ031BLKWHT
(REF FDR W/A)
(REF ENG INLET & WING A/I W/A)
UZ005L T2 HEAT CURRENT SENSOR
KZ071
A3
A1A2
B2B3
B1X1
X2
(16)(20)
(20)
(20)
(VEND)BLK
(20)
T2 CURRENT SENSORU1
(20)
GRNYEL
VIOGRY
BRN
BLU
(VEND)
(VEND)
(VEND)(VEND)
(VEND)(VEND)
(VEND)RED
16
15
(16)
*Z
(20)
DZ171BLK
WHT
KZ077
A3
A1A2
B2B3
B1X1
X2
*P
*N*Q
*M*K
DZ079BLKWHT
DZ077BLK
WHT
LI-IONDISCRELAY
(REF PWR DIST W/A)
11
11
17
KZ047
A3
A1A2
B2B3
B1X1
X2
KK
GG
CC
DZ047BLK WHT
BB
12 HZ0717.5 (REFER TO SHTEE 1)
L FADEC RESET RELAY
HH
(REF FADECA/I)
(20)
(20)
L CH A FADEC
DZ085BLK
DZ087BLK WHT
DZ089BLK WHT
21
HZ1375
HZ035
FDR (OPT)
(10)2
(REFER TO SHEET 1)
(REF SPEED BRAKES W/A)
(REF SQUAT SWITCH W/A)
REFER TO 30-40-01
REFER TO 30-40-01
REFER TO 24-30-01
REFER TO 26-20-01
REFER TO 24-30-01
REFER TO 77-10-03
REFER TO 30-20-01
REFER TO 30-20-01
REFER TO 30-20-01
REFER TO 30-20-01
REFER TO 24-30-03
REFER TO 24-30-01
REFER TO 24-30-01
REFER TO 30-20-01
6308240U21
POWER J-BOXFigure 06. (Sheet 4)
CESSNA®
MODEL 525 (SERIALS -0685 AND -0800 AND ON)WIRING DIAGRAM MANUAL
©TEXTRON AVIATION INC.
24-60-01
Figure 06Page 12
ICA-525-24-00004 Aug/04/2021
POWER J-BOX
AIRPLANES 1097 & ON
REF
DES PART NUMBER
NOMENCLATURE
EFFECTIVITY
UNITS
PER
ASSY1 2 3 4 5 6 7
DZ015 S3106-3 DIODE 06090 1097 & ON 01
DZ019 S3106-4 DIODE 1097 & ON 01
DZ021 S3106-4 DIODE 1097 & ON 01
DZ023 S3106-4 DIODE 1097 & ON 01
DZ025 S3106-4 DIODE 1097 & ON 01
DZ027 S3106-4 DIODE 1097 & ON 01
DZ029 S3106-4 DIODE 1097 & ON 01
DZ031 S3106-4 DIODE (ZONE 312) 1097 & ON 01
DZ033 S3106-3 DIODE 06090 1097 & ON 01
DZ035 S3106-4 DIODE 1097 & ON 01
DZ037 S3106-4 DIODE 1097 & ON 01
DZ039 S3106-4 DIODE 1097 & ON 01
DZ047 S3106-4 DIODE 0685 - 0685
0807 & ON
01
DZ055 S3106-4 DIODE 1097 & ON 01
DZ075 S3106-4 DIODE 1097 & ON 01
DZ077 S3106-4 DIODE 1097 & ON 01
DZ079 S3106-4 DIODE 1097 & ON 01
DZ085 S3106-4 DIODE 1097 & ON 01
DZ087 S3106-4 DIODE ASSEMBLY 1097 & ON 01
DZ089 S3106-4 DIODE ASSEMBLY 1097 & ON 01
DZ171 S3106-3 DIODE 06090 1097 & ON 01
HZ051 S2899-5.0 CIRCUIT BREAKER (ZONE 322) 82647 1097 & ON 01
HZ053 S2899-5.0 CIRCUIT BREAKER 82647 1097 & ON 01
HZ071 S2899-7.5 CIRCUIT BREAKER (ZONE 311) 82647 1097 & ON 01
HZ135 S2899-5.0 CIRCUIT BREAKER 82647 1097 & ON 01
HZ137 S2899-5.0 CIRCUIT BREAKER 82647 1097 & ON 01
CM2692-15-1S . PLUG BUTTON 01
J1 MS27497E24F61S CONNECTOR 96906 1097 & ON 01
S3627-24 . BACKSHELL 01
J10 LMD-4001-S CONNECTOR 49367 1097 & ON 01
LMD-4120-96LD . SOCKET 49367 01
J11 LMD-4005-S CONNECTOR 49367 1097 & ON 01
LMD-4116-96LD . SOCKET 49367 01
J3 MS27497E24F4S CONNECTOR 96906 1097 & ON 01
S3627-24 . BACKSHELL 01
J5 MS27497E24F24S CONNECTOR 96906 1097 & ON 01
S3627-24 . BACKSHELL 01
J9 MS27497E14F15SA CONNECTOR 96906 1097 & ON 01
M85049/27-14N . BACKSHELL 01
KZ015 M83536/15-022 RELAY 03743 1097 & ON 01
M39029/92-533 . PIN 58982 01
JRS400100 . RELAY SOCKET 58982 01
KZ019 M83536/9-024 RELAY 2X920 1097 & ON 01
M39029/92-533 . PIN 58982 01
JRS200300 . RELAY SOCKET 58982 01
KZ021 M83536/9-024 RELAY 2X920 1097 & ON 01
M39029/92-533 . PIN 58982 01
JRS200300 . RELAY SOCKET 58982 01
CESSNA®
MODEL 525 (SERIALS -0685 AND -0800 AND ON)WIRING DIAGRAM MANUAL
©TEXTRON AVIATION INC.
24-60-01
Figure 06Page 13
ICA-525-24-00004 Aug/04/2021
POWER J-BOX
AIRPLANES 1097 & ON
REF
DES PART NUMBER
NOMENCLATURE
EFFECTIVITY
UNITS
PER
ASSY1 2 3 4 5 6 7
KZ023 M83536/9-024 RELAY 2X920 1097 & ON 01
M39029/92-533 . PIN 58982 01
JRS200300 . RELAY SOCKET 58982 01
KZ027 M83536/15-022 RELAY (ZONE 311) 03743 1097 & ON 01
M39029/92-533 . PIN 58982 01
JRS400100 . RELAY SOCKET 58982 01
KZ035 M83536/9-024 RELAY 2X920 1097 & ON 01
M39029/92-533 . PIN 58982 01
JRS200300 . RELAY SOCKET 58982 01
KZ037 M83536/9-024 RELAY (ZONE 311) 2X920 1097 & ON 01
M39029/92-533 . PIN 58982 01
JRS200300 . RELAY SOCKET 58982 01
KZ039 M83536/9-024 RELAY 2X920 1097 & ON 01
M39029/92-533 . PIN 58982 01
JRS200300 . RELAY SOCKET 58982 01
KZ047 M83536/9-024 RELAY 2X920 0685 - 0685
0894 - 0973
0992 & ON
01
M39029/92-533 . PIN 58982 01
JRS200300 . RELAY SOCKET 58982 01
KZ055 M83536/9-024 RELAY 2X920 1097 & ON 01
M39029/92-533 . PIN 58982 01
JRS200300 . RELAY SOCKET 58982 01
KZ071 M83536/9-024 RELAY 2X920 1097 & ON 01
M39029/92-533 . PIN 58982 01
JRS200300 . RELAY SOCKET 58982 01
KZ075 M83536/9-024 RELAY 2X920 1097 & ON 01
M39029/92-533 . PIN 58982 01
JRS200300 . RELAY SOCKET 58982 01
KZ077 M83536/9-024 RELAY 2X920 1097 & ON 01
M39029/92-533 . PIN 58982 01
JRS200300 . RELAY SOCKET 58982 01
P11 LMD-4001-P CONNECTOR 49367 1097 & ON 01
LMD-4020-96LD . PIN 49367 AR
LMS-01T-TL . SPLICE CONNECTOR 49367 01
P13 LMD-4005-P CONNECTOR 49367 1097 & ON 01
LMD-4016-96LD . PIN 49367 01
LMS-01T-TL . SPLICE CONNECTOR 49367 1
P9 MS27484T14F15PA CONNECTOR 96906 1097 & ON 01
M85049/27-14N . BACKSHELL 01
PZ101 MS27484T24F61P CONNECTOR 96906 1097 & ON 01
S3627-24 . BACKSHELL 01
PZ103 MS27484T24F4P CONNECTOR 96906 1097 & ON 01
S3627-24 . BACKSHELL 01
PZ105 MS27484T24F24P CONNECTOR 96906 1097 & ON 01
S3627-24 . BACKSHELL 01
U1 76808-1 SENSOR 2X920 1097 & ON 01
KSZ8895MQI . ETHERNET SWITCH 60496 01
LTC6991IS6#PBF . LOW FREQUENCY OSCILLATOR 64155 01
CESSNA®
MODEL 525 (SERIALS -0685 AND -0800 AND ON)WIRING DIAGRAM MANUAL
©TEXTRON AVIATION INC.
24-60-01
Figure 06Page 14
ICA-525-24-00004 Aug/04/2021
POWER J-BOX
AIRPLANES 1097 & ON
REF
DES PART NUMBER
NOMENCLATURE
EFFECTIVITY
UNITS
PER
ASSY1 2 3 4 5 6 7
UZ005 CURRENT SENSOR - T2 HEAT (ZONE 322) RF
CESSNA®
MODEL 525 (SERIALS -0685 AND -0800 AND ON)WIRING DIAGRAM MANUAL
©TEXTRON AVIATION INC.
24-60-01
Figure 06Page 15
ICA-525-24-00004 Aug/04/2021
PZ104J4(RH J-BOX)
DZ044
BLK WHT
D
G
H
B
F
A
K
J
DZ022BLKWHT
DZ050BLK WHT
DZ020
BLKWHT
R ENG A/I VALVE RELAY
R WING A/I O'HEAT RELAY
E
C
DZ024BLKWHT
R WING A/I VALVE PWR RLY
KZ022
A3
A1A2
B2B3
B1X1
X2
KZ020
A3
A1A2
B2B3
B1X1
X2
KZ024
A3
A1A2
B2B3
B1X1
X2
DZ048BLK WHT
DZ046BLK WHT
(RH J-BOX)
(TAIL)
LH J-BOX)
A/C CONDENSER
BUS BARHZ036
KZ026A3
A1A2
X1
X2
FRESH AIR FAN
RELAY
LLJJ
FF
(16)(16)
(18)
(20) CC
DZ026BLK
WHT(20)
(20)
PZ106J6 RH J-BOX
(RH J-BOX)
RH PT2 HTR
G
23
4
5
P10J10RH CURRENT SENSOR DISC
(TAIL)
TAIL
21
P12J11RH CURRENT SENSOR DISC
1 2HZ066 5
(16)
REFER TO SHEET 2
21HZ062 5
KZ042
B2
A2
B3
B1
A3
A1X1
X2
TAIL FLOOD LIGHT RELAY
(20)
(20)(20)
(20)
DZ042BLK
WHT
TAIL FLOOD LTS
(20)
RH J-BOX RELAYS
21HZ064 5
RH WING A/I VALVE
L
P8J8
REFER TO SHEET 3
EMER PWR CB BUS
ANTI COLL LTS
NAV LTS
L
P
M
R
N
S
GND REC BEACON
(20)(WHT)
(20)(WHT)(20)(WHT)
(20)(WHT)
(20)(WHT)
(20)
(20)
(20)
RH F/W SHUTOFF RELAY
(20)(WHT)
*S*T
*I
*J*K
*M*N
*P
*Q
*R
LLMM
NN
PP
PZ102J2
(12)
(20)
F
HZ036
REFER TO SHEET 2
BUS BARHZ038
HZ036BUS BAR
BUS BAR
17
(REF ENG INLET& WING A/I W/A)
(REF EXT LIGHTS W/A)
(REF WING/ENG A/I W/A)
(REF FADEC A/I W/A)
(REF F/W & FIRE EXT W/A)
(REF A/C SYSTEM W/A)
(REF TAIL FLOOD LTS W/A)
BB(20) (REF PWR DIST W/A)
KZ052
A2A3
A1
X1
X2 DZ052BLK
WHT(20)
(20)
KZ028
D3
D1D2
C2
B2
A2
C3
C1B3
B1A3
A1
X1
X2
CONDENSER RELAY
21HZ090 20 (12)
DZ028
BLK WHT
HZ036
DZ034BLK
WHT
DZ030BLK
WHT
DZ032BLK
WHT
(20)
(20)
(20)
KZ032
A3
A1A2
B2B3
B1X1
X2
KZ030
A3
A1A2
B2B3
B1X1
X2
KZ034
A3
A1A2
B2B3
B1X1
X2
(20)
(20)
(20)
(20)
(20)
(20)
(20)
(20)
(20)
21HZ054 7.5
21HZ058 5
21HZ060 5
B
PZ106J6
U
V
W
PZ104J4
(RH J-BOX) (TAIL)
(RH J-BOX) (TAIL)
(REF A/C SYSTEM W/A)
(REF ENV SYS W/A)
(REF PWR DIST W/A)
13
8(20)
KZ070A2
A3
A1
X1
X2
DZ070BLK
WHT
MAX COOL INHIBIT
DD
EEFF
GG
KZ054
A2A3
A1
X1
X2
BUS BAR
DISPATCH #4 RELAY
P8 J8
AA
(16)
*Z
DZ054BLK
WHT
(20)
(20)
(20)
(20)
(20)
KZ082
A2A3
A1X1
X2
M
P8 J8
F*V
PZ102J2DZ082
BLK
WHT
TAIL
EMER JBOX
CVR RELAY
REFER TO SHEET 3
P(16)
(REF PWR DIST W/A)
(REF AIR CONDITIONING SYSTEM W/A)
(REF CVR W/A)
(REF JBOX W/A)
DISPATCH C/B #4
2 1 HZ1165
REFER TO SHEET 2
HZ010BUS BAR
KZ072
A3
A1A2
B2B3
B1X1
X2
RED
BLK
(20)
T2 CURRENT SENSORU1
(20)
GRNYEL
VIOGRY
BRN
BLU
UZ004R T2 HEAT CURRENT SENSOR
(16)(20)
(20)
(20)
(VEND)
(VEND)
(VEND)
(VEND)(VEND)
(VEND)(VEND)
(VEND)
1516
(16)
(20)
DZ172BLK
WHTT
PZ104J4(REF ENG/WING A/I W/A)
11
11
KZ038
A3
A1A2
B2B3
B1X1
X2
*E
*C
*B
DZ038BLK WHT
*A
12 HZ0787.5REFER TO SHEET 2
R FADEC RESET RELAY
*D
(REF FADEC A/I)
(20)
(20)
R CH A FADEC
(16)
(16)
(20)
(20)
(REF ZN 74F)
REFER TO 24-30-01
REFER TO 33-40-05
REFER TO 21-50-01
REFER TO 24-30-03
REFER TO 26-20-01
REFER TO 24-30-03
REFER TO 77-10-03
REFER TO 30-02-01
REFER TO 30-20-01
REFER TO 77-10-03
REFER TO 33-40-02
REFER TO 30-02-01
REFER TO 21-60-01
REFER TO 24-30-01
REFER TO 24-30-01
REFER TO 24-30-03
REFER TO 24-30-01HZ037
6308240U16
POWER J-BOXFigure 06. (Sheet 5)
CESSNA®
MODEL 525 (SERIALS -0685 AND -0800 AND ON)WIRING DIAGRAM MANUAL
©TEXTRON AVIATION INC.
24-60-01
Figure 06Page 16
ICA-525-24-00004 Aug/04/2021
POWER J-BOX
AIRPLANES 1097 & ON
REF
DES PART NUMBER
NOMENCLATURE
EFFECTIVITY
UNITS
PER
ASSY1 2 3 4 5 6 7
DZ020 S3106-4 DIODE 1097 & ON 01
DZ022 S3106-4 DIODE 1097 & ON 01
DZ024 S3106-4 DIODE 1097 & ON 01
DZ026 S3106-3 DIODE (ZONE 312) 06090 1097 & ON 01
DZ028 S3106-3 DIODE 06090 1097 & ON 01
DZ030 S3106-3 DIODE (ZONE 312) 06090 1097 & ON 01
DZ032 S3106-3 DIODE (ZONE 312) 06090 1097 & ON 01
DZ034 S3106-3 DIODE 06090 1097 & ON 01
DZ038 S3106-4 DIODE 1097 & ON 01
DZ042 S3106-3 DIODE (ZONE 311) 06090 1097 & ON 01
DZ044 S3106-3 DIODE (ZONE 322) 06090 1097 & ON 01
DZ046 S3106-4 DIODE 1097 & ON 01
DZ048 S3106-4 DIODE (ZONE 322) 1097 & ON 01
DZ050 S3106-4 DIODE (ZONE 322) 1097 & ON 01
DZ052 S3106-3 DIODE 06090 1097 & ON 01
DZ054 S3106-3 DIODE 06090 1097 & ON 01
DZ070 S3106-4 DIODE 1097 & ON 01
DZ082 S3106-4 DIODE 1097 & ON 01
DZ172 S3106-3 DIODE 06090 1097 & ON 01
HZ054 S2899-7.5 CIRCUIT BREAKER (ZONE 322) 82647 1097 & ON 01
HZ058 S2899-5.0 CIRCUIT BREAKER (ZONE 322) 82647 1097 & ON 01
HZ060 S2899-5.0 CIRCUIT BREAKER (ZONE 322) 82647 1097 & ON 01
HZ062 S2899-5.0 CIRCUIT BREAKER (ZONE 322) 82647 1097 & ON 01
10237-2 . CIRCUIT BREAKER LOCK OUT 0CUF4 01
HZ064 S2899-5.0 CIRCUIT BREAKER (ZONE 322) 82647 1097 & ON 01
HZ066 S2899-5.0 CIRCUIT BREAKER (ZONE 322) 82647 1097 & ON 01
HZ078 S2899-7.5 CIRCUIT BREAKER (ZONE 312) 82647 1097 & ON 01
HZ090 S2899-20.0 CIRCUIT BREAKER (ZONE 322) 1097 & ON 01
HZ116 S2899-5.0 CIRCUIT BREAKER 82647 1097 & ON 01
J10 LMD-4001-S CONNECTOR 49367 1097 & ON 01
LMD-4120-96LD . SOCKET 49367 01
J11 LMD-4005-S CONNECTOR 49367 1097 & ON 01
LMD-4116-96LD . SOCKET 49367 01
J2 MS27497E24F61SA CONNECTOR 96906 1097 & ON 01
S3627-24 . BACKSHELL 01
J4 MS27497E24F4SA CONNECTOR 96906 1097 & ON 01
S3627-24 . BACKSHELL 01
J6 MS27497E24F24SA CONNECTOR 96906 1097 & ON 01
S3627-24 . BACKSHELL 01
98414-G06-44ULF . HEADER 44PIN 2MM SP 22526 01
J8 MS27497E14F15S CONNECTOR 96906 1097 & ON 01
M85049/27-14N . BACKSHELL 01
KZ020 M83536/9-024 RELAY 2X920 1097 & ON 01
M39029/92-533 . PIN 58982 01
JRS200300 . RELAY SOCKET 58982 01
KZ022 M83536/9-024 RELAY 2X920 1097 & ON 01
M39029/92-533 . PIN 58982 01
JRS200300 . RELAY SOCKET 58982 01
CESSNA®
MODEL 525 (SERIALS -0685 AND -0800 AND ON)WIRING DIAGRAM MANUAL
©TEXTRON AVIATION INC.
24-60-01
Figure 06Page 17
ICA-525-24-00004 Aug/04/2021
POWER J-BOX
AIRPLANES 1097 & ON
REF
DES PART NUMBER
NOMENCLATURE
EFFECTIVITY
UNITS
PER
ASSY1 2 3 4 5 6 7
KZ024 M83536/9-024 RELAY (ZONE 311) 2X920 1097 & ON 01
M39029/92-533 . PIN 58982 01
JRS200300 . RELAY SOCKET 58982 01
KZ026 M6106/19-012 RELAY 2X920 1097 & ON 01
M39029/92-533 . PIN 58982 01
M39029/92-535 . PIN 01
JRS500100 . RELAY SOCKET 58982 01
KZ028 M83536/15-022 RELAY (ZONE 312) 03743 1097 & ON 01
M39029/92-533 . PIN 58982 01
JRS400100 . RELAY SOCKET 58982 01
KZ030 M83536/9-024 RELAY (ZONE 312) 2X920 1097 & ON 01
M39029/92-533 . PIN 58982 01
JRS200300 . RELAY SOCKET 58982 01
KZ032 M83536/9-024 RELAY (ZONE 311) 2X920 1097 & ON 01
M39029/92-533 . PIN 58982 01
JRS200300 . RELAY SOCKET 58982 01
KZ034 M83536/9-024 RELAY 2X920 1097 & ON 01
M39029/92-533 . PIN 58982 01
JRS200300 . RELAY SOCKET 58982 01
KZ038 M39029/92-533 PIN 58982 1097 & ON 01
M83536/9-024 . RELAY 2X920 01
JRS200300 . RELAY SOCKET 58982 01
KZ042 M83536/9-024 RELAY 2X920 1097 & ON 01
M39029/92-533 . PIN 58982 01
JRS200300 . RELAY SOCKET 58982 01
KZ052 M83536/9-024 RELAY 2X920 1097 & ON 01
M39029/92-533 . PIN 58982 01
M39029/92-535 . PIN 01
JRS500100 . RELAY SOCKET 58982 01
KZ054 M6106/19-012 RELAY 2X920 1097 & ON 01
M39029/92-533 . PIN 58982 01
JRS500100 . RELAY SOCKET 58982 01
KZ070 M6106/19-012 RELAY 2X920 1097 & ON 1
M39029/92-535 . PIN 2
JRS500100 . RELAY SOCKET 58982 1
KZ072 M83536/9-024 RELAY 2X920 1097 & ON 01
M39029/92-533 . PIN 58982 01
JRS200300 . RELAY SOCKET 58982 01
KZ082 M83536/9-024 RELAY 2X920 1097 & ON 01
M39029/92-533 . PIN 58982 01
JRS200300 . RELAY SOCKET 58982 01
P10 LMD-4001-P CONNECTOR 49367 1097 & ON 01
LMD-4020-96LD . PIN 49367 01
P12 LMD-4005-P CONNECTOR 49367 1097 & ON 01
LMS-01T-TL . SPLICE CONNECTOR 49367 01
P8 MS27484T14F15PN CONNECTOR 96906 1097 & ON 01
M85049/27-14N . BACKSHELL 01
PZ102 MS27484T24F61PA CONNECTOR 96906 1097 & ON 01
S3627-24 . BACKSHELL 01
CESSNA®
MODEL 525 (SERIALS -0685 AND -0800 AND ON)WIRING DIAGRAM MANUAL
©TEXTRON AVIATION INC.
24-60-01
Figure 06Page 18
ICA-525-24-00004 Aug/04/2021
POWER J-BOX
AIRPLANES 1097 & ON
REF
DES PART NUMBER
NOMENCLATURE
EFFECTIVITY
UNITS
PER
ASSY1 2 3 4 5 6 7
PZ104 MS27484T24F4PA CONNECTOR 96906 1097 & ON 01
S3627-24 . BACKSHELL 01
PZ106 MS27484T24F24PA CONNECTOR 96906 1097 & ON 01
S3627-24 . BACKSHELL 01
U1 76808-1 SENSOR 2X920 1097 & ON 01
KSZ8895MQI . ETHERNET SWITCH 60496 01
LTC6991IS6#PBF . LOW FREQUENCY OSCILLATOR 64155 01
UZ004 CURRENT SENSOR - T2 HEAT (ZONE 322) RF
CESSNA®
MODEL 525 (SERIALS -0685 AND -0800 AND ON)WIRING DIAGRAM MANUAL
©TEXTRON AVIATION INC.
24-60-01
Figure 06Page 19
ICA-525-24-00004 Aug/04/2021
This Page Intentionally Left Blank.
ICA-525-24-00004 Aug/04/2021
32-40-01
BRAKE CONTROL
AIRPLANES 1097 & ON
CESSNA®
MODEL 525 (SERIALS -0685 AND -0800 AND ON)WIRING DIAGRAM MANUAL
©TEXTRON AVIATION INC.
32-40-01
Figure 03Page 1
ICA-525-24-00004 Aug/04/2021
*T*U
VW
FG
*T*U
VW
CBAD
LH ANTI-SKIDXMITTER
UG001
CBAD
RH ANTI-SKIDXMITTER
UG002
LH FWD BLKHD
RH CABIN/WING RH GEAR WELL
LH GEAR WELLLH CABINPL003JL003
JR003 PR003
PB035 JB035PG001
PG002
(WHT)(BLU)
(WHT)(BLU)
(WHT)(BLU)
(WHT)(BLU)
(WHT)(BLU)
(WHT)(BLU)
JS004 PS004
JM004 PM004
RELAY MODULE
(GND-IN-AIR) (REF SQT SW) D
RH WINGJS004 PS004
2
2
32
32
RH CABIN
J
(CABIN)(NOSE)
LH WING
6
3
8
2
KC003
V
PB033(NOSE)
JB033(CABIN)
*Z
PM004JM004(GND-IN-AIR)(REF SQT SW)
2
PC013JC013
59
P411
59
PN411J4
C
BA
L
KH
64
P605
20
PN410J3
42
P411
23
PN412J4
GSD1
GIA2
GSD2
ANTI-SKID INOP
ANTI-SKID TEST
BRAKE LOW PRESS
W
Y
8
PC011JC011
Z
REFER TO SHEET 2
X
PB031 JB031
(REF GEAR MON)(REF GEAR MON)
(16)
GC003
20PARK BRAKE SET 38
UZ301
UZ401
RH NOSE AVN PALLET
LH NOSE AVN PALLET
UZ401
M
X
SC023C
NO
NC
PARKING BRAKE HANDLE SWITCH
GC001(VEND)(WH1)
(VEND)(WH2)AC125
AC123
COMMON NOSE WBA
(REF AOA)
REF LH CB PNL
20 BRAKE
SYSTEM
5 SKID CONTROL
C
PC004JC004
AVN/ELE DISC
(REF COCKPIT VOICE RECORDER)
D 7
PI125JI125(REF L.G. CONTR)
REFER TO 34-61-01
REFER TO 34-61-01
REFER TO 24-50-01
REFER TO 32-60-02
REFER TO 32-60-02
REFER TO 23-70-01
REFER TO 32-60-01REFER TO 32-60-01
REFER TO 34-20-01
REFER TO 31-10-01
1 2
1 2
TERMINATE OUTER SHIELD TO BACKSHELL CLAMP SCREWFABRICATE ANTI-SKID WIRING PER DETAIL A
ASTRISK (*) PRECEEDING A PIN INDICATES LOWER CASE.
UN404
UN403
6308528D1 6308528F3
*** REFER TO 91-10-01 FOR GROUND LOCATIONS.
NOTES:23
USE WIRE INSTEAD OF BRAID FOR SHIELD TIES.6
(DO NOT BRAID THIS AREA)
7.
.25
.30
DETAIL(SEE FLAGNOTE 3)
PG001 (LH) PG002 (RH)
COIL BUNDLE(1.0 DIA) TO PROVIDE 13.0 LENGTH BETWEEN CONNECTOR & EXPANSION PLUG
205A112-3/42 SEAL (2)
SLEEVE WITH S3410-X ENTIRE LENGTH OF BUNDLE.
BRAKE CONTROLFigure 03. (Sheet 1)
CESSNA®
MODEL 525 (SERIALS -0685 AND -0800 AND ON)WIRING DIAGRAM MANUAL
©TEXTRON AVIATION INC.
32-40-01
Figure 03Page 2
ICA-525-24-00004 Aug/04/2021
BRAKE CONTROL
AIRPLANES 1097 & ON
REF
DES PART NUMBER
NOMENCLATURE
EFFECTIVITY
UNITS
PER
ASSY1 2 3 4 5 6 7
AC123 M81714/65-20-1 SPLICE 0A744 1097 & ON 01
AC125 M81714/65-20-1 SPLICE 0A744 1097 & ON 01
GC001 6318104-2 GROUND STUD (ZONE 232) 1097 & ON 01
GC003 6318104-2 GROUND STUD (ZONE 242) 1097 & ON 01
J3 MS27497E24F4S CONNECTOR 96906 1097 & ON 01
S3627-24 . BACKSHELL 01
J4 MS27497E24F4SA CONNECTOR 96906 1097 & ON 01
S3627-24 . BACKSHELL 01
JB031 MS3474L22-41P CONNECTOR 96906 1097 & ON 01
S3074-22 . STRAIN RELIEF 01
JB033 MS27474E18F32SA CONNECTOR 96906 1097 & ON 01
S3627-18 . BACKSHELL 01
JB035 MS27474T18F28S CONNECTOR 96906 1097 & ON 01
S3627-18 . BACKSHELL 01
JC004 S2099-6 CONTACT (ZONE 245) 00779 1097 & ON 01
9-203439-9 . CONNECTOR KIT 00779 01
JC011 617320 SOCKET - SIZE 20 0GP12 1097 & ON 01
EPXBE17SB . SOCKET INSERT 0GP12 01
JC013 617300 SOCKET - SIZE 22 0GP12 1097 & ON 01
EPXBE28SA . 28 SOCKET INSERT 0GP12 01
EPXB2HL22N . SOCKET SHELL 0GP12 01
JI125 MS27497E12F35S CONNECTOR 96906 1097 & ON 01
S3627-12-90 . BACKSHELL 01
M85528/2-12-A . MOUNTING FLANGE 01
JL003 MS3472L16-26S CONNECTOR 96906 1097 & ON 01
M85049/51-1-16N . STRAIN RELIEF 01
JM004 MS3474L22-55P CONNECTOR (ZONE 251) 96906 1097 & ON 01
M85049/51-1-22N . STRAIN RELIEF 01
JR003 MS3472L16-26S CONNECTOR 96906 1097 & ON 01
M85049/51-1-16N . STRAIN RELIEF 01
JS004 MS3474L22-55P CONNECTOR (ZONE 252) 96906 1097 & ON 01
M85049/51-1-22N . STRAIN RELIEF 01
KC003 LMD-5001-P RELAY MODULE 49367 1097 & ON 01
LMD-4001-S . CONNECTOR 49367 01
LMD-4120-96LD . SOCKET 49367 01
LMS-01T-TL . SPLICE CONNECTOR 49367 01
P411 011-01169-01 CONNECTOR 0TRC3 1097 & ON 01
011-00950-04 . BACKSHELL ASSEMBLY 0TRC3 01
330-00185-78 . PLUG 0TRC3 01
P605 011-01169-01 CONNECTOR 0TRC3 1097 & ON 01
011-00950-04 . BACKSHELL ASSEMBLY 0TRC3 01
PB031 MS3475L22-41S CONNECTOR 96906 1097 & ON 01
S3074-22 . STRAIN RELIEF 01
PB033 MS27484T18F32PA CONNECTOR 96906 1097 & ON 01
S3627-18 . BACKSHELL 01
PB035 MS27484T18F28P CONNECTOR 96906 1097 & ON 01
S3627-18 . BACKSHELL 01
PC004 3-203736-9 CONNECTOR (ZONE 245) 00779 1097 & ON 01
S2353-3 . PIN 00779 01
CESSNA®
MODEL 525 (SERIALS -0685 AND -0800 AND ON)WIRING DIAGRAM MANUAL
©TEXTRON AVIATION INC.
32-40-01
Figure 03Page 3
ICA-525-24-00004 Aug/04/2021
BRAKE CONTROL
AIRPLANES 1097 & ON
REF
DES PART NUMBER
NOMENCLATURE
EFFECTIVITY
UNITS
PER
ASSY1 2 3 4 5 6 7
PC011 EPXBH17PB PLUG INSERT 0GP12 1097 & ON 01
617221 . PIN, SIZE 12 0GP12 01
617250 . PIN, SIZE 20 0GP12 01
PC013 EPXBH28PA PLUG INSERT 0GP12 1097 & ON 01
617240 . PIN, SIZE 16 0GP12 01
617200 . PIN, SIZE 22 0GP12 01
EPXB2PD12N . PLUG SHELL 0GP12 01
PG001 AE776L8-4S CONNECTOR 59976 1097 & ON 01
M85049/52-1-08N . STRAIN RELIEF 01
PG002 AE776L8-4S CONNECTOR 59976 1097 & ON 01
M85049/52-1-08N . STRAIN RELIEF 01
PI125 MS27473E12F35P CONNECTOR 96906 1097 & ON 01
S3627-12-90 . BACKSHELL 01
PL003 MS3475L16-26P CONNECTOR - LEFT LANDING GEAR 96906 1097 & ON 01
407AS004M1603G . BACKSHELL 06324 01
PM004 MS3475L22-55S CONNECTOR 96906 1097 & ON 01
M85049/51-1-22N . STRAIN RELIEF 01
PN410 MS27484E20F35PA CONNECTOR 96906 1097 & ON 01
S3627-20 . BACKSHELL 01
PN411 MS27484T20F35PB CONNECTOR 96906 1097 & ON 01
S3627-20 . BACKSHELL 01
PN412 MS27484T20F35PB CONNECTOR 96906 1097 & ON 01
S3627-20 . BACKSHELL 01
PR003 MS3475L16-26P CONNECTOR - RIGHT LANDING GEAR 96906 1097 & ON 01
407AS004M1603G . BACKSHELL 06324 01
PS004 MS3475L22-55S CONNECTOR 96906 1097 & ON 01
M85049/51-1-22N . STRAIN RELIEF 01
SC023 5SE1-3 SWITCH - PARKING BRAKE HANDLE 91929 1097 & ON 01
UG001 TRANSMITTER - LEFT ANTI-SKID RF
UG002 TRANSMITTER - RIGHT ANTI-SKID RF
UN403 NOSE PALLET RF
UN404 NOSE PALLET RF
UZ301 GIA63W INTEGRATED AVIONICS UNIT RF
UZ401 GSD 41 RF
CESSNA®
MODEL 525 (SERIALS -0685 AND -0800 AND ON)WIRING DIAGRAM MANUAL
©TEXTRON AVIATION INC.
32-40-01
Figure 03Page 4
ICA-525-24-00004 Aug/04/2021
This Page Intentionally Left Blank.
ICA-525-24-00004 Aug/04/2021
AC
FG
CD
NSM
G
RP
BA
H
V
SKID CONTROL CNTRL UNIT
SKID CONTROL SERVO VLV
TEST
A/C IN AIR LOGIC
RH SENSORRH SENSOR RTN
FAULT DRIVER
VALVE RTNVALVE
28V IN
CHASSIS GNDSYSTEM GNDSYSTEM GND
LH SENSORLH SENSOR RTN
LH FWD BLKHD
+-
E
PN012PB035 JB035
PN009
(WHT)(BLU)
UGND GEAR EXTEND
SN011
C NC
NO
SN012C NC
NO
SYSTEM LOW PRESS SW
MOTOR HI PRESS SW
GN002
GRNBLK MN003
BRAKE CONTROL MOTOR PUMP
BRN
RED
900 PSI
750 PSI
1300 PSI
900 PSI
(VEND)(VEND)
(VEND)
(VEND)
+-(14)
(14)
DN002BLK WHT
KN001
X2
A1 A2
BRAKE CONTROL MOTOR RLY
DN006BLKWHT
AN026
AN025
(CABIN)(NOSE)
(16)
(16)(WHT)
GN002
1
1
6
6
L
C
AB
(WHT)(BLU)
K
J
M
Z
H
D
NOSE BRAKE WBA
REFER TO SHEET 1
(16)
REF L.G. CONTROL
AN027
AN028
5 12 HN003
(16)
ABC
PN011
(20)(20)
BN002
UT019
REFER TO 32-30-01
6308528F6
BRAKE CONTROLFigure 03. (Sheet 2)
CESSNA®
MODEL 525 (SERIALS -0685 AND -0800 AND ON)WIRING DIAGRAM MANUAL
©TEXTRON AVIATION INC.
32-40-01
Figure 03Page 6
ICA-525-24-00004 Aug/04/2021
BRAKE CONTROL
AIRPLANES 1097 & ON
REF
DES PART NUMBER
NOMENCLATURE
EFFECTIVITY
UNITS
PER
ASSY1 2 3 4 5 6 7
AN025 M81714/65-20-1 SPLICE 0A744 1097 & ON 01
AN026 M81714/65-20-1 SPLICE 0A744 1097 & ON 01
AN027 M81824/1-3 SPLICE 1097 & ON 01
AN028 M81824/1-3 SPLICE 1097 & ON 01
BN002 9912305-6 CONTROL BOX 1097 & ON 01
DN002 S3106-4 DIODE 1097 & ON 01
DN006 S3106-4 DIODE 1097 & ON 01
GN002 6318065-2 GROUND STUD 1097 & ON 01
HN003 S3491-2 FUSE ASSEMBLY 1097 & ON 01
JB035 MS27474T18F28S CONNECTOR 96906 1097 & ON 01
S3627-18 . BACKSHELL 01
KN001 SME210-2001 RELAY SOCKET 99699 1097 & ON 01
MN003 MOTOR PUMP - BRAKE CONTROL RF
PB035 MS27484T18F28P CONNECTOR 96906 1097 & ON 01
S3627-18 . BACKSHELL 01
PN009 MS3126F10-6S PLUG 96906 1097 & ON 01
PN011 MS3459L10SL3S CONNECTOR 96906 1097 & ON 01
S3744-10-90 . BACKSHELL 01
PN012 MS3126F14-19S CONNECTOR 26715 1097 & ON 01
SN011 SWITCH - LOW PRESSURE RF
SN012 SWITCH - MOTOR HIGH PRESSURE RF
UT019 SERVO VALVE - SKID CONTROL RF
CESSNA®
MODEL 525 (SERIALS -0685 AND -0800 AND ON)WIRING DIAGRAM MANUAL
©TEXTRON AVIATION INC.
32-40-01
Figure 03Page 7
ICA-525-24-00004 Aug/04/2021
This Page Intentionally Left Blank.
ICA-525-24-00004 Aug/04/2021
34-57-01
TRANSPONDER AND TCAS
AIRPLANES 0685 AND 0800 & ON
CESSNA®
MODEL 525 (SERIALS -0685 AND -0800 AND ON)WIRING DIAGRAM MANUAL
©TEXTRON AVIATION INC.
34-57-01
Figure 01Page 1
ICA-525-24-00004 Aug/04/2021
1231
232251
GTX 3000 XPDR1
EXT IDENT SELCTEXT SUPPRESION
GTS855/8000 TCAS
RF SUPPRESION48
PN883
JC313
16
JF313
535554
GIA 63W #1
MAIN 232 IN 5MAIN 232 OUT 5SIGNAL GROUND
RS 232 OUT 1RS 232 IN 1
3112
GTX 3000 XPDR2
EXT SUPPRESIONEXT IDENT SELCT
SIGNAL GROUND
2
JF9105 XPDR 1
RH CB PANEL
16
DME-4000 #1
RF SUPPRESION
(WHT)(BLU)
(WHT)(BLU)
3637
GTX 3000 XPDR1
ARINC429 IN 8AARINC429 IN 8B
62SIGNAL GROUND
3AIRCRAFT PWR 1
1415
ARINC429 OUT 4AARINC429 OUT 4B
58REMOTE PWR ON
13121110
GSD 41 DATA#2
ETHERNET OUT 3AETHERNET OUT 3BETHERNET IN 3AETHERNET IN 3B
RF SUP SHLD RTN
(RG316/U)
32
33
34
35
PB421 JB421
XY
PN406
YX
*B*C
Z*A
*F
W
V
PN405
(RG316/U)
(RG316/U)
1415
PN875JN875
DME 2 DISC
REF DME 2 JUMPERNOSE PALLET RIGHT
NOSE PALLET LEFT
13121110
PN412
5 TCAS
FWD PRESS FEED THRU
G
FNDC12
1415
1617
54555253
PN881 GTS855/8000 TCAS
ETHERNET OUT BETHERNET OUT AETHERNET IN BETHERNET IN A
ARINC429 OUT 1BARINC429 OUT 1A
ARINC429 IN 1AARINC429 IN 1B
2
JF904
P3301
P3302
P411
4854
PN800
36
68
GIA 63W #1
DISCRETE OUT 2A
*G
EE
PC004JC004
AVN/ELEC DISC
P603
REF EXTERIOR LIGHTS
5
6
6
P3301J1
J1
J4
P605
NOSE CABIN
(RG316/U)
REFER TO 27-10-01
REFER TO 27-10-02
15
15
(ORN)(WHT/ORN)
(BLU)(WHT/BLU)
GC007
GF009
21821
PN885 GTS855/8000 TCAS
AIRCRAFT PWR 1REMOTE TURN ONPOWER GROUND
BA NSG12
2P411
UZ401
P3301UN826
P3302
UN827
P3301
UN827
1P603
UZ301
1P8001
1P8002
1P8003
1P605
UZ301
DME-P1
UN820
REFER TO 33-40-02
REFER TO 34-57-01
REFER TO 34-57-01
REFER TO 34-51-02
REF COPILOT CONTROL COLUMN WHEEL
REF COPILOT CONTROL COLUMN WHEEL
5
1.
NOTES:
2.
4.
6
MS25036-149
7
8
9
10
11
12
13
EFF: 525 = 0992-ON AFFIX 2 INCHES OF M23053/5-107-2 RED HEAT SHRINK TUBING WITHIN 2 INCHES OF CONNECTOR.
FOR SYMBOLOGY, WBA INDEX, STANDARDS AND PROCESSES REFER TO STANDARDS DRAWING 6370110.
FOR SYSTEM COLLECTORS REFER TO: 525 9100501
AN ASTERISK PRECEDING A LETTER INDICATES LOWER CASE.
FOR ETHERNET WIRING, USE 922204.
GROUND SHIELDS TO THE BACK OF GARMIN-SUPPLIED CONNECTORS USING THE FOLLOWING PARTS. USE NO MORE THAN TWO TERMINALS PER SCREW.
PART OF ECS COAX KIT 500-31584-101 (REF).
EFF: 525 = 0800-0991 AFFIX 2 INCHES OF M23053/5-106-2 RED HEAT SHRINK TUBING WITHIN 2 INCHES OF CONNECTOR.
TERMINALMS25036-153 TERMINALNAS1149FN832P WASHERMS35338-4 WASHERMS35206-242 SCREW
*** REFER TO 91-10-01 FOR GROUND INFORMATION.
COAX CABLE SHALL BE 48" 525 IN LENGTH (TOLERANCE +2"/-0"). ROUTE EXCESS COAX IN BUNDLE.
COAX CABLE SHALL BE 275" (525) IN LENGTH (TOLERANCE +5"/-0"). ROUTE EXCESS COAX IN BUNDLE.
COAX CABLE SHALL BE 96" (525) IN LENGTH (TOLERANCE +2"/-0"). ROUTE EXCESS COAX IN BUNDLE.
COAX CABLE SHALL BE 108" (525) IN LENGTH (TOLERANCE +2"/-0"). ROUTE EXCESS COAX IN BUNDLE.
COAX CABLE SHALL BE 275" (525) IN LENGTH (TOLERANCE +5"/-0"). ROUTE EXCESS COAX IN BUNDLE.
UN403
UN404
9108274E3
TRANSPONDER AND TCASFigure 01. (Sheet 1)
CESSNA®
MODEL 525 (SERIALS -0685 AND -0800 AND ON)WIRING DIAGRAM MANUAL
©TEXTRON AVIATION INC.
34-57-01
Figure 01Page 2
ICA-525-24-00004 Aug/04/2021
TRANSPONDER AND TCAS
AIRPLANES 0685 AND 0800 & ON
REF DES PART NUMBER
NOMENCLATURE
EFFECTIVITY
UNITS
PER
ASSY1 2 3 4 5 6 7
1P8001 TCAS RF
1P8002 TCAS RF
1P8003 TCAS RF
GC007 6318104-2 GROUND STUD (ZONE 242) 0685 - 0685
0800 & ON
01
GF009 6318104-2 GROUND STUD (ZONE 242) 0685 - 0685
0800 & ON
01
J1 MS27497E24F61S CONNECTOR 96906 0685 - 0685
0800 & ON
01
S3627-24 . BACKSHELL 01
J4 MS27497E24F4SA CONNECTOR 96906 0685 - 0685
0800 & ON
01
S3627-24 . BACKSHELL 01
JB421 MS27474E16F35SA CONNECTOR 96906 0685 - 0685
0800 & ON
01
S3627-16 . BACKSHELL 01
JC004 S2099-6 CONTACT (ZONE 245) 00779 0685 - 0685
0800 & ON
01
9-203439-9 . CONNECTOR KIT 00779 01
JC313 MS27474T14F35S CONNECTOR 96906 0685 - 0685
0800 & ON
01
S3627-14 . BACKSHELL 96906 01
JF313 MS27474T14F35S CONNECTOR 96906 0685 - 0685
0800 & ON
01
S3627-14 . BACKSHELL 96906 01
JF904 1738012-1 SOCKET 00779 0685 - 0685
0800 & ON
01
1738169-1 . INSERT RECEPTACLE 00779 01
1738280-1 . RECEPTACLE SHELL 00779 01
JF910 1738174-1 SOCKET 00779 0685 - 0685
0800 & ON
01
JN875 M24308/2-3 CONNECTOR 71468 0685 - 0685
0800 & ON
01
M85049/48-2-3 . STRAIN RELIEF 71468 01
NDC12 MS27488-22-1 PLUG 96906 0685 - 0685
0800 & ON
01
M39029/22-191 . CONTACT 96906 01
M81714/63-22S . GROUND BLOCK 01
NSG12 M81714/63-22S GROUND BLOCK 0685 - 0685
0800 & ON
01
M39029/22-191 . CONTACT 96906 01
MS27488-22-1 . PLUG 96906 01
P3301 330-00776-62 CONNECTOR - 62PIN 0TRC3 0685 - 0685
0800 & ON
01
011-01855-03 . BACKSHELL W/JACKSCREW 0TRC3 01
P3302 330-00776-78 CONNECTOR - 78PIN 0TRC3 0685 - 0685
0800 & ON
01
011-01855-04 . BACKSHELL W/JACKSCREW 0TRC3 01
CESSNA®
MODEL 525 (SERIALS -0685 AND -0800 AND ON)WIRING DIAGRAM MANUAL
©TEXTRON AVIATION INC.
34-57-01
Figure 01Page 3
ICA-525-24-00004 Aug/04/2021
TRANSPONDER AND TCAS
AIRPLANES 0685 AND 0800 & ON
REF DES PART NUMBER
NOMENCLATURE
EFFECTIVITY
UNITS
PER
ASSY1 2 3 4 5 6 7
P411 011-01169-01 CONNECTOR 0TRC3 0685 - 0685
0800 & ON
01
011-00950-04 . BACKSHELL ASSEMBLY 0TRC3 01
330-00185-78 . PLUG 0TRC3 01
P603 011-01169-01 CONNECTOR 0TRC3 0685 - 0685
0992 & ON
01
011-00950-04 . BACKSHELL ASSEMBLY 0TRC3 01
P605 011-01169-01 CONNECTOR 0TRC3 0685 - 0685
0800 & ON
01
011-00950-04 . BACKSHELL ASSEMBLY 0TRC3 01
PB421 MS27484T16F35PA CONNECTOR 96906 0685 - 0685
0800 & ON
01
S3627-16 . BACKSHELL 01
PC004 3-203736-9 CONNECTOR (ZONE 245) 00779 0685 - 0685
0800 & ON
01
S2353-3 . PIN 00779 01
PN405 MS27484T20F41P CONNECTOR 96906 0685 - 0685
0800 & ON
01
S3627-20 . BACKSHELL 01
PN406 MS27484T20F41P CONNECTOR 96906 0685 - 0685
0800 & ON
01
S3627-20 . BACKSHELL 01
PN412 MS27484T20F35PB CONNECTOR 96906 0685 - 0685
0800 & ON
01
S3627-20 . BACKSHELL 01
PN800 653-9079-006 CONNECTOR KIT 4V792 0685 - 0685
0800 & ON
01
PN875 M24308/4-3 CONNECTOR 71468 0685 - 0685
0800 & ON
01
D20418-2 . SCREW 71468 01
M85049/48-2-3 . STRAIN RELIEF 71468 01
PN881 330-00366-78 DSUB CONNECTOR 0TRC3 0685 - 0685
0800 & ON
01
011-01855-04 . BACKSHELL W/JACKSCREW 0TRC3 01
PN883 330-00366-78 DSUB CONNECTOR 0TRC3 0685 - 0685
0800 & ON
01
011-01855-04 . BACKSHELL W/JACKSCREW 0TRC3 01
PN885 330-00502-37 CONNECTOR, DSUB 0TRC3 0685 - 0685
0800 & ON
01
011-01855-03 . BACKSHELL W/JACKSCREW 0TRC3 01
UN403 NOSE PALLET RF
UN404 NOSE PALLET RF
UN820 DME RECEIVER - (DME-4000) RF
UN826 GTX 3000 TRANSPONDER RF
UN827 GTX 3000 TRANSPONDER RF
UZ301 GIA63W INTEGRATED AVIONICS UNIT RF
UZ401 GSD 41 RF
CESSNA®
MODEL 525 (SERIALS -0685 AND -0800 AND ON)WIRING DIAGRAM MANUAL
©TEXTRON AVIATION INC.
34-57-01
Figure 01Page 4
ICA-525-24-00004 Aug/04/2021
This Page Intentionally Left Blank.
ICA-525-24-00004 Aug/04/2021
232251
GTX 3000 XPDR2
535554
GIA 63W #2
MAIN 232 IN 5MAIN 232 OUT 5SIGNAL GROUND
RS 232 OUT 1RS 232 IN 1SIGNAL GROUND
JF909RH CB PANEL
B NSG14
(WHT)(BLU)
(WHT)(BLU)
3637
GTX 3000 XPDR2
ARINC429 IN 8AARINC429 IN 8B
62SIGNAL GROUND
3AIRCRAFT PWR 1
1415
ARINC429 OUT 4AARINC429 OUT 4B
ARINC429 OUT 2BARINC429 OUT 2A
ARINC429 IN 2AARINC429 IN 2B
58REMOTE PWR ON
5 XPDR 2212
PB622 JB622
*B*C
Z*A
*F
W
V
PN406NOSE PALLET RIGHT
FWD BHD FEEDTHRU
NOSE CABIN
P3301
NDC22C
2324
2526
PN881 GTS855/8000 TCAS
P603
6
P3302
J1
P3301UN826
P3302UN826
2P603
UZ301
UN404
1P8001
9108274E4
TRANSPONDER AND TCASFigure 01. (Sheet 2)
CESSNA®
MODEL 525 (SERIALS -0685 AND -0800 AND ON)WIRING DIAGRAM MANUAL
©TEXTRON AVIATION INC.
34-57-01
Figure 01Page 6
ICA-525-24-00004 Aug/04/2021
TRANSPONDER AND TCAS
AIRPLANES 0685 AND 0800 & ON
REF DES PART NUMBER
NOMENCLATURE
EFFECTIVITY
UNITS
PER
ASSY1 2 3 4 5 6 7
1P8001 TCAS RF
J1 MS27497E24F61S CONNECTOR 96906 0685 - 0685
0800 & ON
01
S3627-24 . BACKSHELL 01
JB622 MS27474E12F35S CONNECTOR 96906 0685 - 0685
0800 & ON
01
S3627-12 . BACKSHELL 01
JF909 617320 SOCKET - SIZE 20 0GP12 0685 - 0685
0800 & ON
01
EPXB1PB04N . PLUG SHELL 0GP12 01
MS35206-225 . SCREW 80205 01
EPXBE30SA . SOCKET INSERT 0GP12 01
NAS1149CN616R . WASHER 80205 01
MS35338-41 . WASHER, LOCK, SPRING 80205 01
NDC22 MS27488-22-1 PLUG 96906 0685 - 0685
0800 & ON
01
M39029/22-191 . CONTACT 96906 01
M81714/63-22S . GROUND BLOCK 01
NSG14 M81714/63-22S GROUND BLOCK 0685 - 0685
0800 & ON
01
M39029/22-191 . CONTACT 96906 01
96906 . PLUG 96906 01
P3301 330-00776-62 CONNECTOR - 62PIN 0TRC3 0685 - 0685
0800 & ON
01
011-01855-03 . BACKSHELL W/JACKSCREW 0TRC3 01
P3302 330-00776-78 CONNECTOR - 78PIN 0TRC3 0685 - 0685
0800 & ON
01
011-01855-04 . BACKSHELL W/JACKSCREW 0TRC3 01
P603 011-01169-01 CONNECTOR 0TRC3 0685 - 0685
0992 & ON
01
011-00950-04 . BACKSHELL ASSEMBLY 0TRC3 01
PB622 MS27484T12F35P CONNECTOR 96906 0685 - 0685
0800 & ON
01
S3627-12 . BACKSHELL 01
PN406 MS27484T20F41P CONNECTOR 96906 0685 - 0685
0800 & ON
01
S3627-20 . BACKSHELL 01
PN881 330-00366-78 DSUB CONNECTOR 0TRC3 0685 - 0685
0800 & ON
01
011-01855-04 . BACKSHELL W/JACKSCREW 0TRC3 01
UN404 NOSE PALLET RF
UN826 GTX 3000 TRANSPONDER RF
UZ301 GIA63W INTEGRATED AVIONICS UNIT RF
CESSNA®
MODEL 525 (SERIALS -0685 AND -0800 AND ON)WIRING DIAGRAM MANUAL
©TEXTRON AVIATION INC.
34-57-01
Figure 01Page 7
ICA-525-24-00004 Aug/04/2021
ANTENNA
PB101 PB101
PB101
JB101
PB101
PB101 PB101
PB101 PB101
PB102
JB102
PB102
PB102 PB102
PB102 PB102
PB102 PB102
PF1104
PF1103
PF1102
PF1108
PF1105
PF1106
PF1101
PF1107
PN889
PN891
PN893
PN887
J1
J2
J3
J4
ANTENNA
ANTENNA
ANTENNA
BOTTOM ANTENNA
TOP ANTENNA
FWD PRESS BLKHD
(NOSE) (CABIN)
7
7
7
7
7
7
7
7 7
7
7
7
7
7
7
7
YF810
YF809GTS 855/8000
TOP DIRECTIONAL ANT P1
TOP DIRECTIONAL ANT P2
TOP DIRECTIONAL ANT P3
TOP DIRECTIONAL ANT P4
BOT DIRECTIONAL ANT P1(YEL)
(BLK)
(BLU)
(RED)
BOT DIRECTIONAL ANT P2
BOT DIRECTIONAL ANT P3
BOT DIRECTIONAL ANT P4
(YEL)
(BLK)
(BLU)
(RED)
UN823
TOP ANTENNA
BOTTOM ANTENNA
XPNDR 1 DIVERSITY TOP ANT PC1015PB103PB103
PN1073 XPNDR 1 BOT ANT
YF801
YF803
PN879
PN877
NOSE PALLET LEFT
TOP ANTENNA
BOTTOM ANTENNA
XPNDR 2 DIVERSITY TOP ANT PF1098
PN1072 XPNDR 2 BOT ANT
YF802
YF804
PN880
PN878
NOSE PALLET RIGHT
ANTENNA
ANTENNA
ANTENNA
ANTENNA
J1
J2
J3
J4
PN897
PN895
TNC RIGHT (YEL)
TNC RIGHT (BLK)
TNC RIGHT (BLU)
TNC RIGHT (RED)
TNC RIGHT (YEL)
TNC RIGHT (BLK)
TNC RIGHT (BLU)
TNC RIGHT (RED)
TNC STRAIGHT (YEL)
TNC STRAIGHT (BLK)
TNC STRAIGHT (BLU)
TNC STRAIGHT (RED)
TNC STRAIGHT (YEL)
TNC STRAIGHT (BLK)
TNC STRAIGHT (BLU)
TNC STRAIGHT (RED)
(VEND)(YELLOW)
(VEND)(BLACK)
(VEND)(BLUE)
(VEND)(RED)
(VEND)(YELLOW)
(VEND)(BLACK)
(VEND)(BLUE)
(VEND)(RED)
(VEND)(YELLOW)
(VEND)(BLACK)
(VEND)(BLUE)
(VEND)(RED)
(VEND)(YELLOW)
(VEND)(BLACK)
(VEND)(BLUE)
(VEND)(RED)
TNC RIGHT
TNC RIGHT
TNC RIGHT
TNC RIGHT
TNC RIGHT
TNC RIGHT
TNC RIGHT
TNC RIGHT
JB103
TCAS TCAS
TCAS
TNC RIGHT
TNC RIGHT
TNC RIGHT
TNC RIGHT
TNC STRAIGHT
TNC STRAIGHT
TNC STRAIGHT
TNC STRAIGHT
(RED) (RED)
FWD PRESS BLKHD
(NOSE) (CABIN)
10
11 13
98
10
12 12TOP
BOT
TOP
BOT
JB1008
PB1008A PB1008B
PZ804
PZ804
PZ803
PZ803
(RG142B/U)
(RG142B/U)
14
14 14
14
PN899
PN901
J4A J4B
J1B
J2B
J3B
J4B
J1B
J2B
J3B
J4BJ4A
J3A
J2A
J1A
J4A
J3A
J2A
J1A
REFER TO 31-40-01
REFER TO 31-40-01UN404
UN403
9108274E5
TRANSPONDER AND TCASFigure 01. (Sheet 3)
CESSNA®
MODEL 525 (SERIALS -0685 AND -0800 AND ON)WIRING DIAGRAM MANUAL
©TEXTRON AVIATION INC.
34-57-01
Figure 01Page 8
ICA-525-24-00004 Aug/04/2021
TRANSPONDER AND TCAS
AIRPLANES 0685 AND 0800 & ON
REF DES PART NUMBER
NOMENCLATURE
EFFECTIVITY
UNITS
PER
ASSY1 2 3 4 5 6 7
JB1008 5-70-30 ADAPTER 05209 0685 - 0685
0800 & ON
01
JB101 190052 ADAPTER - BHD, TNC QUAD 0BCW9 0685 - 0685
0800 & ON
01
JB102 ADAPTER RF
JB103 190052 ADAPTER - BHD, TNC QUAD 0BCW9 0685 - 0685
0800 & ON
01
PB1008A CTR122 CONNECTOR-RT ANGLE 66197 0685 - 0685
0800 & ON
01
79125 . ANGLE/PLUG JACK 74868 01
CTS122 . COAX CONN 66197 01
PB1008B CTR122 CONNECTOR-RT ANGLE 66197 0685 - 0685
0800 & ON
01
79125 . ANGLE/PLUG JACK 74868 01
CTS122 . COAX CONN 66197 01
PB101 COAXIAL CONNECTOR RF
PB102 COAXIAL CONNECTOR RF
PB103 CTR122 CONNECTOR-RT ANGLE 66197 0685 - 0685
0800 & ON
01
PC1015 CTR122 CONNECTOR-RT ANGLE 66197 0685 - 0685
0800 & ON
01
PF1098 CTR122 CONNECTOR-RT ANGLE 66197 0685 - 0685
0800 & ON
01
PF1101 COAXIAL CONNECTOR RF
PF1102 COAXIAL CONNECTOR RF
PF1103 COAXIAL CONNECTOR RF
PF1104 COAXIAL CONNECTOR RF
PF1105 COAXIAL CONNECTOR RF
PF1106 COAXIAL CONNECTOR RF
PF1107 COAXIAL CONNECTOR RF
PF1108 COAXIAL CONNECTOR RF
PN1072 S2047-1 CONNECTOR 86887 0685 - 0685
0800 & ON
01
79125 . ANGLE/PLUG JACK 74868 01
PN1073 S2047-1 CONNECTOR 86887 0685 - 0685
0800 & ON
01
79125 . ANGLE/PLUG JACK 74868 01
PN877 S2047-1 CONNECTOR 86887 0685 - 0685
0800 & ON
01
PN878 S2047-1 CONNECTOR 86887 0685 - 0685
0800 & ON
01
79125 . ANGLE/PLUG JACK 74868 01
PN879 CTS122 COAX CONNECTOR 66197 0685 - 0685
0800 & ON
01
PN880 CTS122 COAX CONNECTOR 66197 0685 - 0685
0800 & ON
01
79125 . ANGLE/PLUG JACK 74868 01
PN887 COAXIAL CONNECTOR RF
PN889 COAXIAL CONNECTOR RF
PN891 COAXIAL CONNECTOR RF
CESSNA®
MODEL 525 (SERIALS -0685 AND -0800 AND ON)WIRING DIAGRAM MANUAL
©TEXTRON AVIATION INC.
34-57-01
Figure 01Page 9
ICA-525-24-00004 Aug/04/2021
TRANSPONDER AND TCAS
AIRPLANES 0685 AND 0800 & ON
REF DES PART NUMBER
NOMENCLATURE
EFFECTIVITY
UNITS
PER
ASSY1 2 3 4 5 6 7
PN893 COAXIAL CONNECTOR RF
PN895 COAXIAL CONNECTOR RF
PN897 COAXIAL CONNECTOR RF
PN899 COAXIAL CONNECTOR RF
PN901 COAXIAL CONNECTOR RF
PZ803 CTR122 CONNECTOR-RT ANGLE 66197 0685 - 0685
0800 & ON
01
PZ804 CTR722 CONNECTOR - RT ANGLE 66197 0685 - 0685
0800 & ON
01
UN403 NOSE PALLET RF
UN404 NOSE PALLET RF
UN823 GTS TCAS 1/2 PROCESSOR RF
YF801 ANTENNA RF
YF802 COAXIAL CONNECTOR RF
YF803 ANTENNA - L-BAND RF
YF804 ANTENNA - L-BAND RF
YF809 TCAS ANTENNA RF
YF810 TCAS ANTENNA RF
CESSNA®
MODEL 525 (SERIALS -0685 AND -0800 AND ON)WIRING DIAGRAM MANUAL
©TEXTRON AVIATION INC.
34-57-01
Figure 01Page 10
ICA-525-24-00004 Aug/04/2021