Data Link Communications Connectors
WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Data Link Connector (DLC)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1 | - | - | Not Used |
| 2 | PPL | 1132 | DLC Class 2 Serial Data |
| 3 | - | - | Not Used |
| 4 | BLK | 1850 | Ground |
| 5 | BLK/WHT | 451 | Ground |
| 6 | TAN/WHT | 2500 | High Speed GMLAN Serial Data (+) (HP2) |
| 7-13 | - | - | Not Used |
| 14 | TAN | 2501 | High Speed GMLAN Serial Data (-) (HP2) |
| 15 | - | - | Not Used |
| 16 | ORN | 640 | Battery Positive Voltage |
Splice Pack - SP205
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | ORN | 1044 | Radio Class 2 Serial Data |
| PNK | 1045 | Serial Communications Circuit | |
| B | DK GRN | 1049 | PCM Class 2 Serial Data |
| C | DK GRN/WHT | 1133 | ATC Class 2 Serial Data (NP1 or NP8) |
| LT BLU | 1122 | ABS Class 2 Serial Data | |
| D | PPL | 1132 | DLC Class 2 Serial Data |
| PPL | 1807 | Class 2 Serial Data (Primary) (w/AU8) | |
| E | WHT | 1038 | HVAC Class 2 Serial Data |
| F | TAN | 1047 | PDM Class 2 Serial Data |
| G | GRY | 1036 | IPC Class 2 Serial Data |
| H | DK BLU/WHT | 2218 | Serial Communications Circuit |
| J | GRY | 2567 | Rear Wheel Steering Control Module Class 2 Serial Data - w/ NYS |
| K | YEL | 2470 | Allison Class 2 Serial Data - w/ M74 |
| PPL/WHT | 5687 | HCM Class 2 Serial Data (HP2) | |
| L | BRN | 1046 | DDM Class 2 Serial Data |
| M | LT GRN | 1037 | BCM Class 2 Serial Data |
Splice Pack - SP207 (Base and Uplevel)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | - | - | Not Used |
| B | PNK | 1045 | RFA Class 2 Serial Data |
| C | YEL | 1127 | Trip Computer/Nav Class 2 Serial Data |
| D-F | - | - | Not Used |
| G | LT BLU | 2288 | LGM Class 2 Serial Data (UK6) |
| H | LT GRN/ BLK |
1098 | VCM (Vehicle Communication) Class 2 Serial Data - w/ U42 |
| J | - | - | Not Used |
| K | LT GRN | 2271 | ADG Class 2 Serial Data w/ U2K &U2L |
| L-M | - | - | Not Used |
Splice Pack - SP207 (Luxury)
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| A | - | - | Not Used |
| B | PNK | 1045 | RFA Class 2 Serial Data |
| C | YEL | 1127 | Trip Computer/Nav Class 2 Serial Data |
| D | TAN | 5072 | Remote Playback Device Class 2 Serial Data - w/ U1S |
| E | - | - | Not Used |
| F | DK BLU | 2272 | Amplifier Class 2 Serial Data |
| G | LT BLU | 2288 | LGM Class 2 Serial Data |
| H | LT GRN/ BLK |
1098 | VCM (Vehicle Communication) Class 2 Serial Data - w/ U42 |
| J | - | - | Not Used |
| K | LT GRN | 2271 | ADG Class 2 Serial Data - w/U2K & U2L |
| L-M | - | - | Not Used |