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Body Control Module (BCM) - C3

Fig 1: Body Control Module (BCM) - C3 Connector End View
GM255037Courtesy of GENERAL MOTORS CORP.
Body Control Module (BCM) - C3 Connector & Terminal Parts Information

Connector Part Information 
  • OEM: 12160778
  • Service: 12160778
  • Description: 24-Way F Micro-Pack 100 Series (BN)
Terminal Part Information 
  • Terminal/Tray: 12146447/3
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12031876-1/J-35616-6 (BN)
Body Control Module (BCM) - C3 Terminal Identification

Pin Wire Color Circuit No. Function
A1-A5 - - Not Used
A6 YE 1836 Security System Sensor Signal
A7 - - Not Used
A8 D-GN 306 DRL On/Off Signal
A9-A10 - - Not Used
A11 PU 328 Interior Lamp Defeat Switch Signal
A12 - - Not Used
B1 - - Not Used
B2 BN/WH 301 Park Lamp Switch On Signal
B3-B5 - - Not Used
B6 BK/WH 351 Ground
B7 - - Not Used
B8 OG/BK 2090 Dimming Input
B9 L-GN 11 Headlamp Dimmer Switch Signal
B10 - - Not Used
B11 L-BU 1788 Tow/Haul Switch Signal
B12 - - Not Used