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Home >> Chevrolet >> 2006 >> Chevy Express G3500, Van Passenger Extended >> Repair and Diagnosis >> External Pages >> Different car >> Section 901 (Data Communication System) >> Component Locator >> Data Communication Connectors >> Body Control Module (BCM) - C3
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Body Control Module (BCM) - C3

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2007 GMC Savana Special, 2007 GMC Savana Camper Special, 2007 GMC Savana, 2007 Chevrolet RV Cutaway, and 2007 Chevrolet Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
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
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