2003 GMC Yukon XL 1500 Q&A

2003 GMC Yukon XL 1500 Question: my rear defroster does not work.

I had a new window put in and it still doesn't work. The light on the switch comes on. How do I troubleshoot this? -
Answer 1
check wiring -
Comment 1
I am not sure how to test it -
Comment 2
use a test light and check to see if your getting power at the connector on the window -
Comment 3
No power, will the switch light still go on if the relay is bad? That's my only guess -
Answer 2
ck all wiring connections at window and did it work b4 the window was repl -