| Table 1: | Body Control Module (BCM) - C1 | 
| Table 2: | Body Control Module (BCM) - C2 | 
| Table 3: | Body Control Module (BCM) - C3 | 
| Table 4: | Body Control Module (BCM) - C4 | 
| Table 5: | Body Control Module (BCM) - C5 | 
| Table 6: | Body Control Module (BCM) - C6 | 
| Table 7: | Data Link Connector (DLC) | 
| Table 8: | Splice Pack - SP205 | 
| Table 9: | Splice Pack - SP206 | 
| Table 10: | Splice Pack - SP207 | 
 
 | |||||||
|---|---|---|---|---|---|---|---|
Connector 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  | 
 
  | ||||||
Pin  | Wire Color  | Circuit No.  | Function  | ||||
A1  | --  | --  | Not Used  | ||||
A2  | D-BU  | 1796  | Steering Wheel Radio Controls Supply Voltage  | ||||
A3  | TN/BK  | 254  | Rear Door Unlock Relay Control  | ||||
A4  | PK/WH  | 1970  | Headlamp Low Beam Relay Control  | ||||
A5  | D-GN/WH  | 1317  | Fog Lamp Relay Control  | ||||
A6  | GY/BK  | 255  | Rear Door Lock Relay Control  | ||||
A7  | --  | --  | Not Used  | ||||
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  | ||||
YE  | 1977  | Rear Fog Lamp Relay Control (Export)  | |||||
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  | WH  | 1304  | Liftgate Lock Relay Control (w/E52)  | ||||
B11  | GY  | 1056  | Dimmer Switch 5-Volt Reference Voltage  | ||||
B12  | L-GN  | 1037  | BCM Class 2 Serial Data  | ||||
 
 | |||||||
|---|---|---|---|---|---|---|---|
Connector Part Information  | 
 
  | ||||||
Pin  | Wire Color  | Circuit No.  | Function  | ||||
A1-A3  | --  | --  | Not Used  | ||||
A4  | WH  | 278  | Ambient Light Sensor Signal  | ||||
A5  | GY  | 1548  | Passenger Sunload Sensor Signal (w/CJ2)  | ||||
A6  | YE  | 1836  | Security System Sensor Signal  | ||||
--  | --  | Not Used (Export)  | |||||
A7  | L-GN  | 1011  | Remote Radio Control Signal  | ||||
A8  | D-GN  | 588  | DRL Switch Signal  | ||||
A9  | OG  | 192  | Front Fog Lamp Switch Signal  | ||||
A10  | --  | --  | Not Used  | ||||
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  | L-BU/BK  | 590  | Driver Sunload Sensor Signal (w/CJ2)  | ||||
B6  | BK/WH  | 1851  | Ground  | ||||
B7  | L-BU  | 1059  | Steering Wheel Position Sensor Signal (NYS, JL4)  | ||||
B8  | OG/BK  | 2090  | Dimming Switch Signal  | ||||
B9  | L-GN  | 11  | Headlamp Dimmer Switch Signal  | ||||
B10  | L-BU  | 187  | Rear Fog Lamp Indicator Control (Export)  | ||||
--  | --  | Not Used  | |||||
B11  | L-BU  | 553  | Tow/Haul Switch Signal  | ||||
B12  | --  | --  | Not Used  | ||||
 
 | |||||||
|---|---|---|---|---|---|---|---|
Connector 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  | ||||
A6  | D-BU/WH  | 149  | Cargo Lamp Low Control (Avalanche/Escalade EXT)  | ||||
--  | --  | Not Used  | |||||
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-B5  | --  | --  | Not Used  | ||||
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-B12  | --  | --  | Not Used  | ||||
 
 | |||||||
|---|---|---|---|---|---|---|---|
Connector 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  | 
 
  | ||||||
Pin  | Wire Color  | Circuit No.  | Function  | ||||
A1  | PK/BK  | 1303  | Liftgate Ajar Switch Signal (ZW9)  | ||||
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  | L-BU  | 2265  | Power Window Lockout Left Rear Control  | ||||
A6  | L-GN  | 2266  | Power Window Lockout Right Rear Control  | ||||
A7  | GY/BK  | 1186  | Power Window Relay Right Rear Up Control  | ||||
A8  | D-GN  | 1188  | Power Window Relay Right Rear Down Control  | ||||
B1  | L-BU  | 2380  | Rear Parking Assist Chime Signal  | ||||
B2-B6  | --  | --  | Not Used  | ||||
B7  | YE  | 1187  | Power Window Relay Left Rear Down Control  | ||||
B8  | WH  | 1185  | Power Window Relay Left Rear Up Control  | ||||
 
 | |||||||
|---|---|---|---|---|---|---|---|
Connector 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  | ||||
6-15  | --  | --  | Not Used  | ||||
16  | OG  | 640  | Battery Positive Voltage  | ||||
 
 | |||||||
|---|---|---|---|---|---|---|---|
Connector 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 Class 2 Serial Data  | ||||
C  | D-GN/WH  | 1133  | ATC Class 2 Serial Data (NP8/NR4)  | ||||
L-BU  | 1122  | ABS Class 2 Serial Data  | |||||
D  | PU  | 1132  | DLC Class 2 Serial Data  | ||||
PU  | 1807  | Class 2 Serial Data (Primary) (w/T89)  | |||||
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  | --  | --  | Not Used  | ||||
L  | BN  | 1046  | DDM Class 2 Serial Data  | ||||
M  | L-GN  | 1037  | BCM Class 2 Serial Data  | ||||
 
 | |||||||
|---|---|---|---|---|---|---|---|
Connector Part Information  | 
 
  | ||||||
Pin  | Wire Color  | Circuit No.  | Function  | ||||
A  | D-BU/WH  | 1126  | SCM (Suspension) Class 2 Serial Data (Z55)  | ||||
B  | D-BU  | 1128  | SDM Class 2 Serial Data  | ||||
C  | BN/WH  | 1048  | SCM (Seat) Class 2 Serial Data (AN3)  | ||||
D  | --  | --  | Not Used  | ||||
E  | GY  | 2289  | Rear HVAC/Audio Class 2 Serial Data  | ||||
F  | D-BU/WH  | 2218  | Serial Communications Circuit  | ||||
 
 | |||||||
|---|---|---|---|---|---|---|---|
Connector Part Information  | 
 
  | ||||||
Pin  | Wire Color  | Circuit No.  | Function  | ||||
A  | --  | --  | Not Used  | ||||
B  | PK  | 1045  | RFA Class 2 Serial Data  | ||||
C  | YE  | 1127  | Trip Computer/Nav Class 2 Serial Data (UE1)  | ||||
D  | TN  | 5072  | Remote Playback Device Class 2 Serial Data  | ||||
E  | --  | --  | Not Used  | ||||
F  | D-BU  | 2272  | Amplifier Class 2 Serial Data (Y91)  | ||||
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  | ||||
L-M  | --  | --  | Not Used  | ||||