Having problems with your GMC C1500 ?
Wiring for trailer plug, 2004 gmc sierra - C1500 GMC Cars & Trucks
Repair Help & Product Troubleshooting for GMC C1500
Tips for a great answer:- Provide details, support with references or personal experience .
- If you need clarification, ask it in the comment box .
- It's 100% free, no registration required.