Having problems with your 2005 GMC Sierra 2500HD 4WD ?
Left turn signal and brake light for trailer won't work. Can't seem to find the fuse for this.
Repair Help & Product Troubleshooting for 2005 GMC Sierra 2500HD 4WD
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.