| 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: | Data Link Connector (DLC) | 
| Connector 8: | Splice Pack SP205 | 
| Connector 9: | Splice Pack SP207 (w/o Y91) | 
| Connector 10: | Splice Pack SP207 (Y91) | 
Connector Part Information
  | 
Terminal Part Information
  | 
Pin  | Wire Color  | Circuit No.  | Function  | 
|---|---|---|---|
A  | RD  | 2353  | Instrument Panel Lamps Dimming Supply Voltage  | 
B  | PU/WH  | 1382  | LED Dimming Signal  | 
C  | OG  | 4040  | Battery Positive Voltage  | 
D  | OG  | 1732  | Inadvertent Power Courtesy Lamps Supply Voltage  | 
E  | BN/WH  | 230  | Instrument Panel Lamps Dimming Control  | 
F  | OG  | 2240  | Battery Positive Voltage  | 
Connector Part Information
  | 
Terminal Part Information
  | 
Pin  | Wire Color  | Circuit No.  | Function  | 
|---|---|---|---|
A1  | --  | --  | Not Used  | 
A2  | D-BU  | 1796  | Steering Wheel Radio Controls Supply Voltage (UK3)  | 
A3  | D-BU  | 245  | Passenger Door Lock Switch Unlock Control - Base  | 
TN/BK  | 254  | Rear Door Unlock Relay Control - Uplevel  | |
A4  | PK/WH  | 1970  | Headlamp Low Beam Relay Control  | 
A5  | D-GN/WH  | 1317  | Fog Lamp Relay Control  | 
A6  | L-BU  | 244  | Passenger Door Lock Switch Lock Control - Base  | 
GY/BK  | 255  | Rear Door Lock Relay Control - Uplevel  | |
A7  | --  | --  | Not Used - Uplevel  | 
L-GN  | 1391  | Driver Door Unlock Relay Control - Base  | |
A8  | WH  | 193  | Rear Defog Relay Control  | 
A9-A10  | --  | --  | Not Used  | 
A11  | RD/WH  | 812  | 12-Volt Reference  | 
A12  | OG  | 1140  | Battery Positive Voltage  | 
B1  | BK/WH  | 1969  | Headlamp High Beam Relay Control  | 
B2  | WH  | 1080  | Park Lamp Relay Control  | 
B3  | D-BU  | 1353  | RAP Supply Voltage  | 
B4  | L-GN/BK  | 592  | DRL Relay Control  | 
B5  | PU  | 359  | DRL Off Indicator Control  | 
B6  | BK/WH  | 1851  | Ground  | 
B7  | BK  | 1835  | Security System Sensor Low Reference  | 
B8  | PK  | 1348  | Headlamp On Indicator Control  | 
B9  | BK  | 28  | Horn Relay Control  | 
B10  | --  | --  | Not Used  | 
B11  | GY  | 1056  | Dimming Potentiometer 5-Volt Reference  | 
B12  | L-GN  | 1037  | BCM Class 2 Serial Data  | 
Connector Part Information
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Terminal Part Information
  | 
Pin  | Wire Color  | Circuit No.  | Function  | 
|---|---|---|---|
A1-A3  | --  | --  | Not Used  | 
A4  | WH  | 278  | Ambient Light Sensor Signal  | 
A5  | --  | --  | Not Used - w/o CJ2  | 
GY  | 1548  | Passenger Sunload Sensor Signal - CJ2  | |
A6  | YE  | 1836  | Security System Sensor Signal  | 
A7  | --  | --  | Not Used - Base  | 
L-GN  | 1011  | Remote Radio Control Signal (UK3)  | |
A8  | D-GN  | 588  | DRL Switch Signal  | 
A9  | OG  | 192  | Front Fog Lamp Switch Signal  | 
A10  | YE  | 196  | Windshield Wiper Motor Park Switch Signal  | 
A11  | PU  | 328  | Interior Lamp Defeat Switch Signal  | 
A12  | --  | --  | Not Used  | 
B1  | --  | --  | Not Used  | 
B2  | GY/BK  | 308  | Park Lamp Switch Signal  | 
B3-B4  | --  | --  | Not Used  | 
B5  | --  | --  | Not Used - w/o CJ2  | 
L-BU/BK  | 590  | Driver Sunload Sensor Signal - CJ2  | |
B6  | BK/WH  | 1851  | Ground  | 
B7  | --  | --  | Not Used  | 
L-BU  | 1059  | Steering Wheel Position Sensor Signal - NYS  | |
B8  | OG/BK  | 2090  | Dimming Switch Signal  | 
B9  | L-GN  | 11  | Headlamp Dimmer Switch Signal  | 
B10  | --  | --  | Not Used  | 
B11  | L-BU  | 553  | Tow/Haul Switch Signal  | 
B12  | --  | --  | Not Used  | 
Connector Part Information
  | 
Terminal Part Information
  | 
Pin  | Wire Color  | Circuit No.  | Function  | 
|---|---|---|---|
A1  | L-GN  | 80  | Key In Ignition Switch Signal  | 
A2  | YE  | 307  | Headlamp Switch Flash to Pass Signal  | 
A3  | WH  | 530  | Off/Run/Crank Voltage  | 
A4  | PK  | 39  | Ignition 1 Voltage  | 
A5  | --  | --  | Not Used - Uplevel  | 
BK/WH  | 746  | Right Front Door Ajar Switch Signal - Base  | |
A6  | D-BU/WH  | 149  | Cargo Lamp Low Control  | 
A7  | L-BU  | 1134  | Park Brake Switch Signal  | 
A8  | GY  | 1524  | Backup Lamp Signal  | 
A9-A11  | --  | --  | Not Used  | 
A12  | WH  | 103  | Headlamp Switch Headlamps On Signal  | 
B1-B2  | --  | --  | Not Used  | 
B3  | YE  | 43  | Accessory Voltage  | 
B4  | --  | --  | Not Used - Uplevel  | 
GY/BK  | 745  | Left Front Door Ajar Switch Signal - Base  | |
B5  | --  | --  | Not Used - Uplevel  | 
L-BU  | 195  | Door Lock Control - Base  | |
B6  | GY/BK  | 2226  | Instrument Panel Lamps Dimmer Switch Low Reference  | 
B7  | BK  | 279  | Ambient Light Sensor Low Reference  | 
B8  | --  | --  | Not Used  | 
B9  | D-BU/WH  | 1495  | Courtesy Lamps On Signal  | 
B10  | --  | --  | Not Used - Uplevel  | 
WH  | 194  | Door Unlock Control - Base  | |
B11-B12  | --  | --  | Not Used  | 
Connector Part Information
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Terminal Part Information
  | 
Pin  | Wire Color  | Circuit No.  | Function  | 
|---|---|---|---|
A-C  | --  | --  | Not Used  | 
D  | OG  | 2140  | Battery Positive Voltage  | 
E  | GY/BK  | 690  | Courtesy Lamp Control  | 
F  | L-GN  | 24  | Backup Lamp Supply Voltage  | 
Connector Part Information
  | 
Terminal Part Information
  | 
Pin  | Wire Color  | Circuit No.  | Function  | 
|---|---|---|---|
A1  | --  | --  | Not Used  | 
A2  | L-GN/BK  | 748  | Right Rear Door Ajar Switch Signal  | 
A3  | L-BU/BK  | 747  | Left Rear Door Ajar Switch Signal  | 
A4  | --  | --  | Not Used  | 
A5  | --  | --  | Not Used - Base  | 
L-BU  | 2265  | Power Window Lockout Left Rear Control - Uplevel  | |
A6  | --  | --  | Not Used - Base  | 
L-GN  | 2266  | Power Window Lockout Right Rear Control - Uplevel  | |
A7  | --  | --  | Not Used - Base  | 
GY/BK  | 1186  | Power Window Relay Right Rear Up Control - Uplevel  | |
A8  | --  | --  | Not Used - Base  | 
D-GN  | 1188  | Power Window Relay Right Rear Down Control - Uplevel  | |
B1-B6  | --  | --  | Not Used  | 
B7  | --  | --  | Not Used - Base  | 
YE  | 1187  | Power Window Relay Left Rear Down Control - Uplevel  | |
B8  | --  | --  | Not Used - Base  | 
WH  | 1185  | Power Window Relay Left Rear Up Control - Uplevel  | 
Connector Part Information
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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  | 1050  | Ground  | 
5  | BK/WH  | 1851  | Ground  | 
6  | --  | --  | Not Used - w/o HP2 or MW7  | 
TN/WH  | 2500  | High Speed GMLAN Serial Data (+) - HP2 or MW7  | |
7-13  | --  | --  | Not Used  | 
14  | --  | --  | Not Used - w/o HP2 or MW7  | 
TN  | 2501  | High Speed GMLAN Serial Data (-) - HP2 or MW7  | |
15  | --  | --  | Not Used  | 
16  | OG  | 640  | Battery Positive Voltage  | 
Connector Part Information
  | 
Terminal Part Information
 
  | 
Pin  | Wire Color  | Circuit No.  | Function  | 
|---|---|---|---|
A  | OG  | 1044  | Radio Class 2 Serial Data  | 
PK  | 1045  | Serial Communications Circuit  | |
B  | D-GN  | 1049  | PCM/ECM Class 2 Serial Data  | 
C  | D-GN/WH  | 1133  | ATC Class 2 Serial Data (NP1/NP8)  | 
L-BU  | 1122  | ABS Class 2 Serial Data  | |
D  | PU  | 1132  | DLC Class 2 Serial Data  | 
E  | WH  | 1038  | HVAC Class 2 Serial Data  | 
F  | TN  | 1047  | PDM Class 2 Serial Data  | 
G  | GY  | 1036  | IPC Class 2 Serial Data  | 
H  | D-BU/WH  | 2218  | Serial Communications Circuit  | 
J  | GY  | 2567  | Rear Wheel Steering Control Module Class 2 Serial Data - NYS  | 
K  | YE  | 2470  | Allison Class 2 Serial Data - MW7  | 
OG/BK  | 6752  | Generator Battery Control Module Class 2 Serial Data - Except 8.1L and HP2  | |
PU/WH  | 5687  | Class 2 Serial Data - HP2  | |
L  | BN  | 1046  | DDM Class 2 Serial Data  | 
M  | L-GN  | 1037  | BCM Class 2 Serial Data  | 
Connector Part Information
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Terminal Part Information
  | 
Pin  | Wire Color  | Circuit No.  | Function  | 
|---|---|---|---|
A  | --  | --  | Not Used  | 
B  | PK  | 1045  | RFA Class 2 Serial Data  | 
C  | YE  | 1127  | Trip Computer/Navigation Class 2 Serial Data - UE1  | 
D-F  | --  | --  | Not Used  | 
G  | L-BU  | 2288  | LGM Class 2 Serial Data - UK6  | 
H  | L-GN/BK  | 1098  | VCM (Vehicle Communication) Class 2 Serial Data - U42  | 
J  | --  | --  | Not Used  | 
K  | L-GN  | 2271  | ADG Class 2 Serial Data - U2K  | 
L-M  | --  | --  | Not Used  | 
Connector Part Information
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Terminal Part Information
  | 
Pin  | Wire Color  | Circuit No.  | Function  | 
|---|---|---|---|
A  | --  | --  | Not Used  | 
B  | PK  | 1045  | RFA Class 2 Serial Data  | 
C  | YE  | 1127  | Trip Computer/Navigation Class 2 Serial Data  | 
D  | TN  | 5072  | Remote Playback Device Class 2 Serial Data - U1S  | 
E  | --  | --  | Not Used  | 
F  | D-BU  | 2272  | Amplifier Class 2 Serial Data  | 
G  | L-BU  | 2288  | LGM Class 2 Serial Data  | 
H  | L-GN/BK  | 1098  | VCM (Vehicle Communication) Class 2 Serial Data - U42  | 
J  | --  | --  | Not Used  | 
K  | L-GN  | 2271  | ADG Class 2 Serial Data - U2K  | 
L-M  | --  | --  | Not Used  |