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Home >> Hummer >> 2008 >> H3 Base, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 28 (Wiring Systems And Power Management - Component Connector End Views) >> Component Connector End Views >> Body Control Module (BCM) X2
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Body Control Module (BCM) X2

WARNING: This page is about a different car, the 2008 Isuzu i-370, 2008 Isuzu i-290, 2008 GMC Canyon, and 2008 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Body Control Module (BCM) X2 Connector End Views
GM1567229Courtesy of GENERAL MOTORS CORP.
Body Control Module (BCM) X2

Pin Wire Circuit Function
A1 0.35 PU 524 Headlamp Dimmer Switch High Beam Signal
A2 0.35 WH 103 Headlamp Switch Headlamps On Signal
A3 0.35 GY 112 Windshield Wiper Switch Signal 1
A4 0.5 BN/WH 230 Instrument Panel Lamps Dimming Control
A5 0.35 YE 183 Front Fog Lamp Indicator Control
A6 - - Not Used
A7 0.35 BN/WH 301 Park Lamp Relay Control
A8 0.35 BN 1356 Flash To Pass Switch Signal
A9 0.35 PU/WH 549 Headlamp Switch Headlamps Off Signal
A10 0.35 PU 719 Low Reference
A11 0.35 D-BU/WH 1495 Dome Overide Switch Signal
A12 0.35 PU 328 Interior Lamp Switch Signal
A13 0.35 WH/BK 158 Cargo Lamp Switch Signal (TR9)
A14 0.5 WH 1390 Ignition Voltage
A15-A16 - - Not Used
A17 0.35 BN/WH 1571 Traction Control Switch Signal (2WD with NW7)
A18 0.35 OG 192 Fog Lamps Enable (T96)
A19 0.35 GY 728 Security Indicator Control
A20-A24 - - Not Used
A25 0.35 BK 28 Horn Relay Control
A26 0.35 PU/WH 1572 TCS Requested Indicator Control (2WD with NW7)
A27 - - Not Used
A28 0.35 GY 8 Instrument Panel Lamps Dimmer Switch Signal
A29 0.35 GY 8 Instrument Panel Lamps Dimmer Switch Signal
A30 - - Not Used
A31 0.35 BN 323 Shift Solenoid Control
A32-A34 - - Not Used
A35 0.35 GY 8 Instrument Panel Lamp Dimmer Switch Signal
A36 0.35 GY 8 Instrument Panel Lamp Dimmer Switch Signal
A37 0.35 WH 278 Ambient Light Sensor Signal
A38 0.35 PU 1807 Class 2 Serial Data
A39 0.35 PU 1807 Class 2 Serial Data
A40 0.35 OG 1732 Courtesy Lamps Control (TR9)
A41 0.35 WH 156 Courtesy Lamp Low Control (TR9)
A42 0.35 WH/BK 1073 Ignition Key Resistor Signal
A43 0.35 BK 279 Low Reference
A44 0.35 PU 1807 Class 2 Serial Data
A45 0.35 L-BU 1508 Turn Signal Switch Signal
A46 0.35 OG 1732 Courtesy Lamps Control (TR9)
A47 0.35 WH 156 Courtesy Lamp Low Control (TR9)
A48 0.35 WH 111 Hazard Switch Signal
B1-B2 - - Not Used
B3 0.5 D-GN 19 Right Rear Turn Signal Lamps Control
B4 0.5 YE 18 Left Rear Turn Signal Lamps Control
B5 0.5 RD 228 Windshield Washer Pump Control
B6 - - Not Used
B7 0.5 BN 4 Ignition Voltage
B8 0.5 D-BU 338 Ignition Voltage
Connector Part Information 
  • OEM: 15480439
  • Service: 88988604
  • Description: 56-Way F GT 280/Micro 64 Series (GY)
Terminal Part Information 
  • Pins: A1, A2, A3, A4, A5, A7, A8, A9, A10, A11, A12, A13, A14, A17, A18, A19, A25, A26, A28, A29, A31, A35, A36, A37, A38, A39, A40, A41, A42, A43, A44, A45, A46, A47, A48, B3, B4, B5, B7, B8
  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit
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