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Body Control System Connector End Views

Body Control Module (BCM) C1 Connector End Views

GM73152Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12084945
  • 16-Way F Micro-Pack 100 Series (GRY)
Pin Wire Color Circuit No. Function
A1 PNK/WHT 1970 Headlamp Low Beam Relay Control
A2 DK GRN
/WHT		 1317 Fog Lamp Relay Control (T96)
A3 GRY/BLK 308 Park Lamp Switch - On - Signal
A4 BLK 28 Horn Relay Control
A5-A7 - - Not Used
A8 PPL 1600 Ignition 0 Voltage
B1 WHT 1080 Park Lamp Relay Control
B2 - - Not Used
B3 LT BLU 1344 Trunk Release Relay Control
B4 - - Not Used
B5 LT GRN
/BLK		 592 DRL Relay Control
B6 - - Not Used
B7 LT GRN
/BLK		 394 Driver Door Ajar Switch Signal
B8 BRN 341 Ignition 3 Voltage
Body Control Module (BCM) C2 Connector End Views

GM73156Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12110088
  • 24-Way F Micro-Pack 100 Series (GRY)
Pin Wire Color Circuit No. Function
A1 - - Not Used
A2 WHT 682 Door Lock Lock/Unlock Signal
A3 YEL/BLK 1138 DRL Ambient Light Sensor Low Reference
A4 - - Not Used
A5 PNK 1200 Headlamp High Beam Signal
A6 BLK 1835 Security System Sensor Low Reference
A7 BLK/WHT 1576 Trunk Release Switch Signal
A8 PPL 16 Turn Signal Flasher Signal
A9 LT BLU 1134 Park Brake Switch Signal
A10-A11 - - Not Used
A12 PNK 849 Brake Fluid Level Sensor Signal
B1 ORN 1732 Courtesy Lamps Supply Voltage
B2 LT GRN
/BLK		 1137 DRL Ambient Light Sensor Signal
B3 - - Not Used
B4 DK BLU 1201 Headlamp Low Beam Signal
B5 - - Not Used
B6 YEL 1836 Security System Sensor Signal
B7 LT BLU
/BLK		 1322 SPI Serial Data B
B8 BRN 9 Park Lamp Supply Voltage
B9 PNK 439 Ignition 1 Voltage
B10 LT BLU 395 Passenger Door Ajar Switch Signal
B11 BLK/WHT 238 Driver Seat Belt Switch Signal
B12 LT GRN 80 Key In Ignition Switch Signal
Body Control Module (BCM) C3 Connector End Views

GM130689Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 12110244
  • 24-Way F Micro-Pack 100 Series (PNK)
Pin Wire Color Circuit No. Function
A1 - - Not Used
A2 YEL 356 Driver Door Lock Relay Unlock Control
A3 YEL 1321 SPI Serial Data A
A4 ORN 192 Front Fog Lamp Switch Signal (T96)
A5 - - Not Used
A6 BLK/WHT 99 Windshield Washer Fluid Level Signal
A7 PNK/BLK 1323 SPI Serial Data Clock
A8 LT BLU 195 Door Lock Control
A9 - - Not Used
A10 BLK/WHT 151 Ground
A11 WHT 156 Courtesy Lamp Low Control
A12 ORN 340 Battery Positive Voltage
B1 ORN 1540 Battery Positive Voltage
B2 PPL 1807 Class 2 Serial Data
B3 WHT 194 Door Unlock Control
B4 WHT 1459 Security System Sensor Supply Voltage
B5 - - Not Used
B6 YEL/BLK 68 Low Coolant Level Indicator Control
B7 LT GRN 66 A/C Request Signal
B8-B12 - - Not Used
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