Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Data Link Communications Connector End Views
2004 Pontiac GTO StandardSECTION Data Link Communications Connector End Views
Data Link Connector (DLC) Connector End View
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1 | - | - | Not Used |
| 2 | YE | 1045 | RFA Class 2 Serial Data |
| 3 | - | - | Not Used |
| 4 | BK | 150 | Ground |
| 5 | BK/YE | 251 | Ground |
| 6-8 | - | - | Not Used |
| 9 | RD/BK | 800 | UART Serial Data-Primary |
| 10-11 | - | - | Not Used |
| 12 | BU/BK | 799 | ABS Serial Data |
| 13-15 | - | - | Not Used |
| 16 | OG/BK | 740 | Battery Positive Voltage |
Powertrain Interface Module (PIM) Connector End View
| Connector Part Information |
|
||
|---|---|---|---|
| Pin | Wire Color | Circuit No. | Function |
| 1-5 | - | - | Not Used |
| 6 | RD/BK | 800 | UART Serial Data-Primary |
| 7 | YE | 1045 | RFA Class 2 Serial Data |
| 8 | GY/BU | 275 | Park Neutral Position Switch Park Signal |
| 9-14 | - | - | Not Used |
| 15 | OG | 300 | Ignition 3 Voltage |
| 16 | BK/RD | 450 | Ground |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.