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Home >> Cadillac >> 2009 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 663 (Component Connector End View (1 Of 5)) >> Auxiliary Body Control Module (XBCM) X1 (EXP)
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Auxiliary Body Control Module (XBCM) X1 (EXP)

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Auxiliary Body Control Module (XBCM) X1 (EXP) Connector End View
GM73156Courtesy of GENERAL MOTORS CORP.
Auxiliary Body Control Module (XBCM) X1 (EXP)

Pin Wire Color Circuit Function
A1 0.35 BK 1050 Ground
A2 0.35 RD/WH 2640 Battery Positive Voltage
A3 0.35 D-GN 5060 Low Speed GMLAN Serial Data
A4-A6 - - Not Used
A7 0.35 BK/WH 1851 Ground
A8 0.35 L-BU 187 Rear Fog Lamp Switch Signal
A9 - - Not Used
A10 0.35 PK 7141 Trailer Connected Signal Trailer
A11 - - Not Used
A12 0.35 YE 1618 Trailer Left Rear Turn/Stop Lamp Control
B1 0.35 L-BU 1320 CHMSL Control
B2 0.35 PK 239 Ignition Voltage
B3-B10 - - Not Used
B11 0.35 D-GN 1619 Trailer Right Rear Turn/Stop Lamp Control
B12 - - Not Used
Connector Part Information 
  • OEM: 12110088
  • Service: 15306210
  • Description: 24-Way F Micro-Pack 100 Series (GY)
Terminal Part Information 
  • Terminal/Tray: 12146447/3
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12031876-1/J-35616-6 (BN)
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