Having problems with your 2003 GMC Envoy ?
2003 envoy XL Interior controls, windows, sunroof, locks ect. Not working . Fuses ok did not check relays
\015 Replaced thermostat, all good.\012Outside lights, ect ok.\012Just interior are off.\012While disconnecting battery created an arc with a spark. All fuses have checked out ok.\012Can electrical be diagnosed by machine at auto zone?\012Thank you!\015
Repair Help & Product Troubleshooting for 2003 GMC Envoy
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.