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HOMESERVICE MANUALSCHEVROLET2008CHEVY EXPRESS G2500, VAN CARGO, 6.6 6REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 2663 (WIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT CONNECTOR END VIEWS PART 1)BODY CONTROL MODULE (BCM) X1
2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6

Body Control Module (BCM) X1

2008 Chevrolet Chevy Express G2500, Van Cargo, 6.6 6SECTION Body Control Module (BCM) X1
WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Body Control Module (BCM) X1 Connector End View
GM1664495Courtesy of GENERAL MOTORS CORP.
Body Control Module (BCM) X1

Pin Wire Circuit Function
1 - - Not Used
2 0.35 PK 1020 Ignition III Voltage
3 0.35 GY 1884 Cruise Control Switch Signal (K34)
4 0.35 WH 530 5-Volt Reference
5 0.35 L-GN 1715 Windshield Wiper Switch High Signal
6 0.35 L-GN 6818 Steering Wheel Control Switch Signal (UK3)
7 - - Not Used
8 0.35 TN/BK 6009 Low Reference
9 0.35 L-BU 1714 Windshield Wiper Switch Low Signal
10-13 - - Not Used
14 0.35 PK 3 Ignition 1 Voltage
15 0.35 D-GN 663 Hazard Switch Left Turn Signal
16 0.35 TN 664 Hazard Switch Right Turn Signal
17 0.35 PK 1444 12-Volt Reference
18 0.35 YE 525 Headlamp Dimmer Switch Signal
19 0.35 WH 111 Hazard Switch Signal
20 0.5 PU 5526 Tap Up/Tap Down Switch Signal
21 0.35 BN 4 Accessory Voltage
22 - - Not Used
23 0.35 L-BU 553 Tow/Haul Switch Signal
24 0.35 PK 94 Windshield Washer Switch Signal
25 0.35 YE 307 Headlamp Flash to Pass Signal
26 0.35 TN/WH 816 A/T Shift Lock Solenoid Supply Voltage
27 - - Not Used
Connector Part Information 
  • OEM: 15482789
  • Service: 88988838
  • Description: 27-Way F Receptacle 0.64 2.8 (L-GN)
Terminal Part Information 
  • Pins: 1-9, 14-21, 23-26
  • Terminal/Tray: SNAC3-A021T-M0.64/20
  • Core/Insulation Crimp: J/J
  • Release Tool/Test Probe: 12094429/J-35616-64B (L-BU)
RENDER: 1.0x

NO RELATED

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