| Connector 1: | Body Control Module (BCM) C1 | 
| Connector 2: | Body Control Module (BCM) C2 | 
| Connector 3: | Body Control Module (BCM) C3 | 
| Connector 4: | Data Link Connector (DLC) | 
Connector Part Information
  | 
Terminal Part Information
  | 
Pin  | Wire Color  | Circuit No.  | Function  | 
|---|---|---|---|
A1  | --  | --  | Not Used  | 
A2  | WH  | 2282  | Headlamp Washer Relay Control (CE4)  | 
A3  | OG  | 1140  | Battery Positive Voltage  | 
A4  | BK/WH  | 1969  | Headlamp High Beam Relay Control  | 
A5  | PK/WH  | 1970  | Headlamp Low Beam Relay Control  | 
A6-A11  | --  | --  | Not Used  | 
A12  | WH  | 278  | Ambient Light Sensor Signal  | 
B1  | L-GN  | 1037  | Class 2 Serial Data  | 
B2  | BK  | 279  | Ambient Light Sensor Low Reference  | 
B3  | L-GN  | 2270  | Rear Window Washer Relay Control  | 
B4  | GY/BK  | 2226  | Instrument Panel Lamps Dimmer Switch Low Reference  | 
B5  | GY  | 705  | 5-Volt Reference  | 
B6  | WH  | 2283  | 12-Volt Reference  | 
B7  | OG/BK  | 2090  | Courtesy Lamps Supply Voltage  | 
B8  | L-GN  | 1011  | Remote Radio Control Signal  | 
B9  | GY  | 391  | Rear Window Wiper Switch Signal  | 
B10  | --  | --  | Not Used  | 
B11  | GY  | 2521  | Right Sunload Sensor Signal  | 
B12  | L-BU/BK  | 2519  | Left Sunload Sensor Signal  | 
Connector Part Information
  | 
Terminal Part Information
  | 
Pin  | Wire Color  | Circuit No.  | Function  | 
|---|---|---|---|
E1-E2  | --  | --  | Not Used  | 
E3  | L-GN  | 80  | Key In Ignition Switch Signal  | 
E4  | YE  | 307  | Headlamp Switch Flash to Pass Signal  | 
E5  | GY/BK  | 308  | Park Lamp Switch On Signal  | 
E6-E9  | --  | --  | Not Used  | 
E10  | D-GN  | 588  | DRL Switch Signal (TT6)  | 
E11  | D-GN/WH  | 1317  | Fog Lamp Relay and Indicator Control (T96)  | 
E12  | BK  | 28  | Horn Relay Control  | 
E13-E16  | --  | --  | Not Used  | 
F1-F2  | --  | --  | Not Used  | 
F3  | D-GN  | 113  | Windshield Wiper Switch Signal 2  | 
F4  | D-BU/WH  | 1495  | Courtesy Lamps On Signal  | 
F5  | OG  | 2268  | Windshield Washer Relay Control (CE4)  | 
F6  | OG  | 192  | Front Fog Lamps Switch Signal (T96)  | 
F7  | --  | --  | Not Used  | 
F8  | L-GN  | 5462  | DRL Defeat Switch Signal  | 
F9  | WH  | 103  | Headlamp Switch Headlamps On Signal  | 
F10  | L-GN  | 11  | Headlamp High Beam Supply Voltage  | 
F11  | PU  | 328  | Interior Lamp Defeat Switch Signal  | 
F12-F16  | --  | --  | Not Used  | 
Connector Part Information
  | 
Terminal Part Information
  | 
Pin  | Wire Color  | Circuit No.  | Function  | 
|---|---|---|---|
A1  | --  | 2140  | Battery Positive Voltage  | 
A2  | --  | 2140  | Battery Positive Voltage  | 
A3  | --  | 748  | Right Rear Door Ajar Switch Signal  | 
A4  | --  | 1134  | Park Brake Switch Signal  | 
A5  | --  | 195  | Door Lock Control  | 
A6  | --  | 2265  | Power Window Lockout Left Rear Control  | 
A7  | --  | --  | Not Used  | 
A8  | --  | 747  | Left Rear Door Ajar Switch Signal  | 
A9- A10  | --  | --  | Not Used  | 
A11  | --  | 1350  | Ground  | 
A12  | --  | 1353  | RAP Supply Voltage  | 
A13  | --  | 194  | Door Unlock Control  | 
A14  | --  | 1080  | Park Lamp Relay Control  | 
A15- A17  | --  | --  | Not Used  | 
A18  | --  | 1390  | Ignition 0 Voltage  | 
A19  | --  | 439  | Ignition 1 Voltage  | 
A20  | --  | 300  | Ignition 3 Voltage  | 
B1  | --  | 230  | Instrument Panel Lamps Dimming Control  | 
B2  | --  | 230  | Instrument Panel Lamps Dimming Control  | 
B3  | --  | 690  | Courtesy Lamp Supply Voltage  | 
B4  | --  | 2240  | Battery Positive Voltage  | 
B5  | --  | 1186  | Power Window Switch Right Rear Up Signal  | 
B6  | --  | 2266  | Power Window Lockout Right Rear Control  | 
B7  | --  | 1188  | Power Window Switch Right Rear Down Signal  | 
B8  | --  | 1185  | Power Window Switch Left Rear Up Signal  | 
B9  | --  | 1187  | Power Window Switch Left Rear Down Signal  | 
B10  | --  | --  | Not Used  | 
B11  | --  | 1350  | Ground  | 
B12  | --  | 24  | Backup Lamp Supply Voltage  | 
B13  | --  | 4440  | Battery Positive Voltage  | 
B14  | --  | --  | Not Used  | 
B15  | --  | 543  | Accessory Voltage  | 
B16  | --  | --  | Not Used  | 
B17  | --  | 4040  | Battery Positive Voltage  | 
B18  | --  | 1732  | Courtesy Lamps Supply Voltage  | 
B19-B20  | --  | --  | Not Used  | 
Connector Part Information
  | 
Terminal Part Information
 
 
  | 
Pin  | Wire Color  | Circuit No.  | Function  | 
|---|---|---|---|
1  | --  | --  | Not Used  | 
2  | PU  | 1132  | DLC Class 2 Serial Data  | 
3  | --  | --  | Not Used  | 
4  | BK  | 2250  | Ground  | 
5  | BK/WH  | 751  | Ground  | 
6  | D-BU  | 6105  | High Speed GMLAN Serial Data (+)  | 
7-13  | --  | --  | Not Used  | 
14  | L-BU  | 6106  | High Speed GMLAN Serial Data (-)  | 
15  | --  | --  | Not Used  | 
16  | OG  | 640  | Battery Positive Voltage  |