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Body Control Module (BCM) C1

Fig 1: BCM C1 Connector
GM1376257Courtesy of GENERAL MOTORS CORP.
Computer/Integrating Systems Connector End Views

Connector Part Information 
  • OEM: 15393122
  • Service: 88987847
  • Description: 72-Way F Micro-64 Unsealed (GY)
Terminal Part Information 
  • Pins:
  • Terminal:
  • Core/Insulation Crimp:
  • Release Tool/Test Probe:
Body Control Module (BCM) C1

Pin Wire Color Circuit No. Function
1 L-BU/BK 747 Left Rear Door Ajar Switch Signal
2 - - Not Used
3 PU 5531 Hood Closed Switch Signal (AP3)
4 PK/BK 109 Hood Ajar Switch Signal (AP3)
5 TN 755 Sunroof Enable Signal (CF5)
6 WH 682 Door Lock Lock/Unlock Signal
7 WH 682 Door Lock Lock/Unlock Signal
8 WH 1080 Park Lamp Relay Control
9 YE 5456 Rear Wiper Motor Park Signal
10-12 - - Not Used
13 PK 849 Brake Fluid Level Sensor Signal (1)
14 L-BU 1134 Park Brake Switch Signal
15 YE 5199 Run/Crank Relay Coil Control
16 WH 193 Rear Defog Relay Control
17 D-BU 15 Right Turn Signal Lamp Supply Voltage
18 D-GN 5060 Low Speed GMLAN Serial Data (U2K)
19 TN/WH 746 Right Front Door Ajar Switch Signal
20 L-GN/BK 748 Right Rear Door Ajar Switch Signal
21 - - Not Used
22 GY/BK 745 Left Front Door Ajar Switch Signal
23-30 - - Not Used
31 L-BU 1344 Trunk Release Relay Control
32 - - Not Used
33 D-GN/WH 1135 Brake Transmission Shift Interlock Solenoid Supply Voltage (MN5)
34 - - Not Used
35 L-BU 14 Left Turn Signal Lamp Supply Voltage
36 D-GN 5060 Low Speed GMLAN Serial Data (UE1)
37-43 - - Not Used
44 TN/WH 1969 Headlamp High Beam Relay Control
45-46 - - Not Used
47 YE 196 Windshield Wiper Motor Park Switch Signal
48-50 - - Not Used
51 D-GN 113 Windshield Wiper Switch On Signal
52-53 - - Not Used
54 YE 317 Fog Lamp Relay Coil Supply Voltage (T37)
55 PK/BK 1303 Liftgate Ajar Switch Signal (1)
56-58 - - Not Used
59 GY 391 Rear Window Wiper Switch Signal
60 TN 28 Horn Relay Control
61 BK/WH 1251 Signal Ground
62 RD/WH 1240 Battery Positive Voltage
63 GY 596 5-Volt Reference
64 BK/WH 851 Signal Ground
65 TN/WH 1704 Sensor Low Reference
66 - - Not Used
67 YE 61 Outside Ambient Temperature Sensor Low Reference
68 WH 5075 Current Sensor Signal
69 WH/BK 1221 Liftgate Release Switch Signal
70 D-GN/WH 636 Outside Ambient Air Temperature Sensor Signal
71 L-GN 2270 Rear Window Washer Relay Control
72 - - Not Used