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Body Control Module (BCM) C4

Body Control Module (BCM) C4

GM878468Courtesy of GENERAL MOTORS CORP.
Connector Part Information
  • 1326144-2
  • 56-Way F Amp (GY)
Pin Wire Color Circuit No. Function
1 RD 228 Windshield Washer Pump Control
2 BN 9 Park Lamp Supply Voltage
3 - - Not Used
4 BN 9 Park Lamp Supply Voltage
5 BN 9 Park Lamp Supply Voltage (T82)
6 BN 4 Accessory Voltage
7 D-BU 338 Run/Crank Voltage
8 - - Not Used
9 BN/WH 230 Instrument Panel Lamps Dimming Control
10 - - Not Used
11 YE 18 Left Turn Signal Lamps Supply Voltage
12 D-GN 19 Right Turn Signal Lamps Supply Voltage
13 GY 8 Instrument Panel Lamps Supply Voltage
14 GY 8 Instrument Panel Lamps Supply Voltage
15 GY 8 Instrument Panel Lamps Supply Voltage
16 GY 8 Instrument Panel Lamps Supply Voltage
17 GY 8 Instrument Panel Lamps Supply Voltage
18 PU 1807 BCM Class 2 Serial Data
19 PU 1807 BCM Class 2 Serial Data
20 PU 1807 BCM Class 2 Serial Data
21 - - Not Used
22 L-GN 66 A/C Request Signal
23 PK/WH 1970 Headlamp Low Beam Relay Control (T82)
24-26 - - Not Used
27 BK/WH 151 Ground
28 PU 719 Low Reference
29 GY 8 Instrument Panel Lamps Supply Voltage (UXE)
30 GY 8 Instrument Panel Lamps Supply Voltage
31 GY 8 Instrument Panel Lamps Supply Voltage (T37/T96)
32 YE 317 Fog Lamp Relay Coil Supply Voltage (T37/T96)
33 BK 28 Horn Relay Control
34 BN 323 Shift Lock Solenoid Supply Voltage (A/T)
35 PU 5234 Passenger Seat Belt Indicator
36 WH 193 Rear Defog Relay Control
37 PU/WH 549 Headlamp Switch Headlamps Off Signal (T82)
38 - - Not Used
39 PU/WH 1572 Traction Control Indicator Control (NW7)
40 L-BU 1508 Turn/Hazard Switch Supply Voltage
41 GY 112 Windshield Wiper Switch Signal 1
42 BN/WH 1571 Traction Control Switch Signal (NW7)
43 L-BU 1134 Park Brake Switch Signal
44 L-BU 395 Passenger Door Jamb Switch Signal
45 L-GN/BK 394 Driver Door Jamb Switch Signal
46 L-BU 292 Rear Defog Switch Signal
47 D-BU 1201 Headlamp Low Beam Signal
48 WH/BK 1073 5-Volt Reference
49 GY 728 Security Indicator Control
50 L-GN/BK 1137 DRL Ambient Light Sensor Signal 5-Volt (T82)
51 - - Not Used
52 OG 192 Front Fog Lamp Switch Signal (T37/T96)
53 WH 1390 Off/Run/Crank Voltage
54 - - Not Used
55 YE/BK 1138 DRL Ambient Light Sensor Low Reference (T82)
56 - - Not Used
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