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Body Control Module (BCM) C3 Connector End View

Body Control Module (BCM) C3

GM255037Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12160778
  • 24-Way F Micro-Pack 100 Series (BN)
Pin Wire Color Circuit No. Function
A1-A3 - - Not Used
A4 WH 278 Ambient Light Sensor Signal
A5 - - Not Used
A6 YE 1836 Security System Sensor Signal
A7 L-GN 1011 Remote Radio Control Signal
A8 L-BU 1134 Park Brake Switch Signal
A9 OG 192 Front Fog Lamp Switch Signal
A10 D-GN 113 Windshield Wiper Switch On Signal
A11-A12 - - Not Used
B1 YE 710 Class 2 Serial Data Secondary
B2 GY/BK 308 Park Lamp Switch On Signal
B3-B5 - - Not Used
B6 BK/WH 751 Signal Ground
B7 - - Not Used
B8 OG/BK 2090 Combined Vehicle Inertial Sensor Low Reference
B9 L-GN 11 Headlamp High Beam Supply Voltage
B10-B12 - - Not Used