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Home >> Cadillac >> 2006 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 663 (Computer/Integrating Systems) >> Component Locator >> Computer/Integrating Systems Connectors >> Body Control Module (BCM) - C3
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Body Control Module (BCM) - C3

WARNING: This page is about a different car, the 2006 GMC Sierra, 2006 GMC Cab & Chassis Sierra, 2006 Chevrolet Silverado, and 2006 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
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 - w/o CJ2
GY 1548 Passenger Sunload Sensor Signal - CJ2
A6 YE 1836 Security System Sensor Signal
A7 - - Not Used - Base
L-GN 1011 Remote Radio Control Signal (UK3)
A8 D-GN 588 DRL Switch Signal
A9 OG 192 Front Fog Lamp Switch Signal
A10 - - Not Used
A11 PU 328 Interior Lamp Defeat Switch Signal
A12 - - Not Used
B1 - - Not Used
B2 GY/BK 308 Park Lamp Switch Signal
B3-B4 - - Not Used
B5 - - Not Used - w/o CJ2
L-BU/BK 590 Driver Sunload Sensor Signal - CJ2
B6 BK/WH 1851 Ground
B7 - - Not Used
L-BU 1059 Steering Wheel Position Sensor Signal - NYS
B8 OG/BK 2090 Dimming Switch Signal
B9 L-GN 11 Headlamp Dimmer Switch Signal
B10 - - Not Used
B11 L-BU 553 Tow/Haul Switch Signal
B12 - - Not Used