Computer/Integrating Systems Connectors
Body Control Module (BCM) - C1
| 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 |
Body Control Module (BCM) - C2
| 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 |
Body Control Module (BCM) - C3
| 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 |
Body Control Module (BCM) - C4
| 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 |
Body Control Module (BCM) - C5
| 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 |
Body Control Module (BCM) - C6
| 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 |
Data Link Connector (DLC)
| 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 |
Splice Pack - SP205
| 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 |
Splice Pack - SP206
| 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 |
Splice Pack - SP207
| 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 |