Rear window defrost not working

Tiny
STEVE HOPPING
  • MEMBER
  • 2005 CHEVROLET IMPALA
  • 3.8L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 180,000 MILES
How many terminal on the relay should be hot? And is the heated mirror fuse have anything to do with it? Thanks
Thursday, September 5th, 2019 AT 6:22 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
Hello,

It should be two.here is the wring diagrams and a guide to help you test the relay:

https://www.2carpros.com/articles/how-to-check-an-electrical-relay-and-wiring-control-circuit

Check out the diagrams (below). Please let us know what happens.
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Saturday, September 7th, 2019 AT 2:02 PM

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