| Connector 1: | Body Control Module (BCM) C1 | 
| Connector 2: | Body Control Module (BCM) C2 | 
| Connector 3: | Body Control Module (BCM) C3 | 
| Connector 4: | Body Control Module (BCM) C4 | 
| Connector 5: | Body Control Module (BCM) C5 | 
| Connector 6: | Body Control Module (BCM) C6 | 
| Connector 7: | Body Control Module (BCM) C7 | 
| Connector 8: | Data Link Connector (DLC) | 
| Connector 9: | Terminator Resistor (Early Production) | 
Connector Part Information
  | 
Terminal Part Information
  | 
Pin  | Wire Color  | Circuit No.  | Function  | 
|---|---|---|---|
1  | --  | --  | Not Used  | 
2  | WH  | 1390  | Off/Run/Crank Voltage  | 
3  | GY  | 1884  | Cruise Control Switch Signal  | 
4  | WH/BK  | 1073  | Ignition Key Resistor Signal  | 
5  | L-GN  | 1715  | Windshield Wiper Switch High Signal  | 
6  | D-BU  | 1796  | Steering Wheel Controls Signal  | 
7  | --  | --  | Not Used  | 
8  | BK/WH  | 1251  | Ground  | 
9  | L-BU  | 1714  | Windshield Wiper Switch Low Signal  | 
10-13  | --  | --  | Not Used  | 
14  | PK  | 3  | Ignition 1 Voltage  | 
15  | L-BU/WH  | 1414  | Left Turn Signal Switch Signal  | 
16  | D-BU/WH  | 1415  | Right Turn Signal Switch Signal  | 
17  | PU  | 1375  | Steering Wheel Control Supply Voltage  | 
18  | PU  | 524  | Headlamp Dimmer Switch High Beam Signal  | 
19  | TN  | 2144  | Hazard Switch Signal  | 
20  | --  | --  | Not Used  | 
21  | BN  | 4  | Accessory Voltage  | 
22-23  | --  | --  | Not Used  | 
24  | PK  | 94  | Windshield Washer Switch Signal  | 
25  | BN  | 1356  | Flash To Pass Switch Signal  | 
26  | D-GN/WH  | 1135  | A/T Shift Lock Control Solenoid Supply Voltage (w/Column Shifter)  | 
27  | --  | --  | Not Used  | 
Connector Part Information
  | 
Terminal Part Information
 
  | 
Pin  | Wire Color  | Circuit No.  | Function  | 
|---|---|---|---|
1  | OG  | 1732  | Inadvertant Power Courtesy Lamp  | 
2  | RD/WH  | 1240  | Battery Positive Voltage  | 
3  | GY  | 8  | Instrument Panel Lamp Supply Voltage  | 
4  | --  | --  | Not Used  | 
5  | GY/BK  | 690  | Courtesy Lamp Supply Voltage  | 
6-7  | --  | --  | Not Used  | 
8  | BN/WH  | 301  | Park Lamp Switch On Signal  | 
9  | --  | --  | Not Used  | 
10  | L-BU  | 383  | Trunk Release Control  | 
11  | L-GN/BK  | 1137  | DRL Ambient Light Sensor Signal  | 
12  | WH  | 103  | Headlamp Switch Headlamps On Signal  | 
13-16  | --  | --  | Not Used  | 
17  | D-GN  | 306  | Headlamps Switch Headlamps Off Signal  | 
18  | PK/BK  | 1597  | Courtesy Lamps Switch On Signal  | 
19-20  | --  | --  | Not Used  | 
21  | BN/WH  | 1571  | Traction Control Switch Signal (JL9)  | 
22  | D-GN/WH  | 1135  | A/T Shift Lock Control Solenoid Supply Voltage (w/Floor Shifter)  | 
23-25  | --  | --  | Not Used  | 
Connector Part Information
  | 
Terminal Part Information
 
  | 
Pin  | Wire Color  | Circuit No.  | Function  | 
|---|---|---|---|
1  | BK/WH  | 1551  | Ground  | 
2  | RD/WH  | 1640  | Battery Positive Voltage  | 
3  | RD/WH  | 1040  | Battery Positive Voltage  | 
4  | --  | --  | Not Used  | 
5  | BK/WH  | 1551  | Ground  | 
6-7  | --  | --  | Not Used  | 
8  | TN/BK  | 2500  | High Speed GMLAN Serial Data Bus +  | 
9  | TN  | 2501  | High Speed GMLAN Serial Data Bus -  | 
10  | L-GN/BK  | 5060  | Low Speed GMLAN Serial Data  | 
11  | D-GN  | 44  | Instrument Panel Lamps Dimmer Switch Signal  | 
12  | OG/WH  | 812  | I/P Dimming Voltage Reference  | 
13  | L-GN  | 526  | Stop Lamp Switch Signal  | 
14  | TN  | 552  | Low Reference  | 
15  | GY  | 598  | 5-Volt Reference  | 
16  | TN/BK  | 2500  | High Speed GMLAN Serial Data Bus +  | 
17  | TN  | 2501  | High Speed GMLAN Serial Data Bus -  | 
18  | PU/WH  | 1382  | LED Dimming Supply  | 
19  | L-BU  | 5986  | Serial Data Communication Enable (JL9)  | 
20  | --  | --  | Not Used  | 
21  | OG  | 192  | Front Fog Lamp Switch Signal (T96)  | 
21  | D-BU/YE  | 6841  | Rear Lamp Flasher Signal (9C1, 9C3)  | 
22  | D-GN/WH  | 7158  | Cruise Control Indicator Dimming Signal  | 
23-25  | --  | --  | Not Used  | 
Connector Part Information
  | 
Terminal Part Information
 
  | 
Pin  | Wire Color  | Circuit No.  | Function  | 
|---|---|---|---|
1  | RD/WH  | 340  | Battery Positive Voltage  | 
2  | RD/WH  | 240  | Battery Positive Voltage  | 
3  | RD/WH  | 440  | Battery Positive Voltage  | 
4  | RD/WH  | 1240  | Battery Positive Voltage  | 
5  | D-BU/WH  | 1315  | Right Front Turn Signal Lamp Supply Voltage  | 
6  | --  | --  | Not Used  | 
7  | YE  | 196  | Windshield Wiper Motor Park Switch Signal  | 
8  | --  | --  | Not Used  | 
9  | BK  | 50  | Ground  | 
10  | RD/WH  | 2440  | Battery Positive Voltage  | 
11  | D-GN/WH  | 1317  | Fog Lamp Relay Control (T96)  | 
12  | YE  | 5187  | Right Trailer Turn Signal Lamp (6J6)  | 
13  | OG  | 5186  | Left Trailer Turn Signal Lamp (6J6)  | 
14  | --  | --  | Not Used  | 
15  | OG  | 2268  | Windshield Washer Relay Control  | 
16  | TN/WH  | 1969  | Headlamp High Beam Relay Control  | 
17  | PK/BK  | 109  | Hood Ajar Switch Signal  | 
18  | --  | --  | Not Used  | 
19  | D-BU  | 5985  | Accessory Wakeup Serial Data  | 
20  | --  | --  | Not Used  | 
21  | YE  | 5199  | Run/Crank Relay Coil Control  | 
22  | --  | --  | Not Used  | 
23  | PU  | 544  | DRL PCB Relay Control  | 
24-25  | --  | --  | Not Used  | 
Connector Part Information
  | 
Terminal Part Information
 
  | 
Pin  | Wire Color  | Circuit No.  | Function  | 
|---|---|---|---|
1  | YE  | 18  | Left Rear Stop/Turn Lamp Supply Voltage  | 
2  | D-GN  | 19  | Right Rear Stop/Turn Lamp Supply Voltage  | 
3  | --  | --  | Not Used  | 
4  | L-BU/WH  | 1314  | Left Front Turn Signal Lamp Supply Voltage  | 
5  | L-BU  | 1320  | CHMSL Supply Voltage  | 
6  | WH  | 17  | Stop Lamp Switch Signal  | 
7  | --  | --  | Not Used  | 
8  | PK  | 5076  | Current Sensor Supply Voltage  | 
9  | WH  | 5075  | Current Sensor Signal  | 
10  | BN  | 5077  | Low Reference  | 
11  | TN  | 707  | RAP Relay Coil Supply Voltage  | 
12-14  | --  | --  | Not Used  | 
15  | PU  | 5531  | Hood Closed Switch Signal (AP3, AP8)  | 
16-17  | --  | --  | Not Used  | 
18  | TN  | 28  | Horn Relay Control  | 
19  | YE/BK  | 5810  | Park Enable Signal (6J1)  | 
20  | GY  | 91  | Wiper Relay Control  | 
21  | TN  | 860  | Wiper High Speed Relay Control  | 
22  | --  | --  | Not Used  | 
23  | PK/WH  | 1970  | Headlamp Low Beam Relay Control  | 
24  | WH  | 1080  | Park Lamp Relay Control  | 
25  | --  | --  | Not Used  | 
Connector Part Information
  | 
Terminal Part Information
 
  | 
Pin  | Wire Color  | Circuit No.  | Function  | 
|---|---|---|---|
1  | GY/BK  | 690  | Courtesy Lamp Supply Voltage  | 
2  | L-GN  | 24  | Backup Lamp Supply Voltage  | 
3  | GY  | 8  | Instrument Panel Lamp Supply Voltage  | 
4-7  | --  | --  | Not Used  | 
8  | TN/WH  | 746  | Right Front Door Ajar Switch Signal  | 
9  | D-BU  | 245  | Passenger Door Lock Switch Unlock Signal  | 
10  | GY/BK  | 745  | Left Front Door Ajar Switch Signal  | 
11  | --  | --  | Not Used  | 
12  | OG/BK  | 744  | Rear Compartment Lid Ajar Switch Signal  | 
13  | --  | --  | Not Used  | 
14  | L-GN/BK  | 748  | Right Rear Door Ajar Switch Signal (Sedan)  | 
15  | L-BU/BK  | 747  | Left Rear Door Ajar Switch Signal (Sedan)  | 
16  | OG  | 5922  | Passenger Door Open Switch Signal  | 
17  | --  | --  | Not Used  | 
18  | L-BU  | 244  | Passenger Door Lock Switch Lock Signal  | 
19  | --  | --  | Not Used  | 
20  | PU  | 1124  | Door Lock Key Switch Unlock Signal (w/o 9C1, 9C3)  | 
21  | --  | --  | Not Used  | 
22  | OG/BK  | 233  | Park Brake Switch Signal  | 
23-25  | --  | --  | Not Used  | 
Connector Part Information
  | 
Terminal Part Information
  | 
Pin  | Wire Color  | Circuit No.  | Function  | 
|---|---|---|---|
1  | --  | --  | Not Used  | 
2  | L-BU  | 1344  | Trunk Release Relay Control  | 
3-5  | --  | --  | Not Used  | 
6  | YE  | 356  | Driver Door Unlock Relay Control  | 
7  | L-GN  | 1391  | Door Lock Relay Control  | 
8  | --  | --  | Not Used  | 
9  | L-BU  | 5921  | Door Unlock Relay Control  | 
10  | --  | --  | Not Used  | 
11  | OG/BK  | 781  | Driver Door Lock Switch Unlock Signal  | 
12  | OG/BK  | 780  | Driver Door Lock Switch Lock Signal  | 
13-22  | --  | --  | Not Used  | 
23  | TN  | 126  | Left Front Door Open Switch Signal  | 
24-28  | --  | --  | Not Used  | 
Connector Part Information
  | 
Terminal Part Information
  | 
Pin  | Wire Color  | Circuit No.  | Function  | 
|---|---|---|---|
1  | D-GN  | 5060  | Low Speed GMLAN Serial Data  | 
2-3  | --  | --  | Not Used  | 
4  | BK  | 1450  | Ground  | 
5  | BK/WH  | 1551  | Ground  | 
6  | TN/BK  | 2500  | High Speed GMLAN Serial Data Bus +  | 
7-13  | --  | --  | Not Used  | 
14  | TN  | 2501  | High Speed GMLAN Serial Data Bus -  | 
15  | --  | --  | Not Used  | 
16  | RD/WH  | 1840  | Battery Positive Voltage  | 
Connector Part Information
  | 
Terminal Part Information
  | 
Pin  | Wire Color  | Circuit No.  | Function  | 
|---|---|---|---|
A  | TN/BK  | 2500  | High Speed GMLAN Serial Data Bus +  | 
B  | TN  | 2501  | High Speed GMLAN Serial Data Bus -  |