Chevrolet Repair Questions? Ask a Chevy Mechanic for Answers ASAP
The heated seats and the running lamps aren't necessarily on the same circuit, so it might be best to test them separately at first and see what we find. Do you have a multi-meter so you can do some electrical testing?
I just wanted to see if you still wanted to diagnose/repair this concern. Please let me know if you want additional information.