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Body Control Module (BCM) C1

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2005 Isuzu Ascender, 2005 GMC Envoy XUV, 2005 GMC Envoy XL, 2005 GMC Envoy, and 2005 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
Body Control Module (BCM) C1

GM73156Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12110088
  • 24-Way F Micro-Pack 100 Series (L-GY)
Pin Wire Color Circuit No. Function
A1 - - Not Used
A2 WH 2282 Headlamp Washer Relay Control (CE4)
A3 OG 1140 Battery Positive Voltage
A4 BK/WH 1969 Headlamp High Beam Relay Control
A5 PK/WH 1970 Headlamp Low Beam Relay Control
A6 PK 5363 Inclination Sensor Low Reference (BAE)
A7-A8 - - Not Used
A9 TN 5458 Midgate Overhead Console Switch Up Signal (XUV)
A10-A11 - - Not Used
A12 WH 278 Ambient Light Sensor Signal
B1 L-GN 1037 Class 2 Serial Data
B2 BK 279 Ambient Light Sensor Low Reference
B3 L-GN 2270 Rear Window Washer Relay Control (CD6)
B4 GY/BK 2226 Instrument Panel Lamps Dimmer Switch Low Reference
B5 GY 705 5-Volt Reference
B6 WH 2283 12-Volt Reference
B7 OG/BK 2090 Courtesy Lamps Supply Voltage
B8 L-GN 1011 Remote Radio Control Signal
B9 GY 391 Rear Window Wiper Switch Signal (CD6)
B10 YE 1836 Security System Sensor Signal
B11 GY 2521 Right Sunload Sensor Signal (CJ2)
B12 L-BU/BK 2519 Left Sunload Sensor Signal (CJ2)