Rear window defrost does not heat, what do I look for to fix?

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The light comes on when flipping the switch but the window does not heat up. Not sure where to start looking for the issue. Does this work through a fuse?

maylin281 in Broomfield CO

Feb 16, 2015

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What are the best GMC repair shops?

RepairPal Certified shops can diagnose and repair your 1991 GMC Jimmy. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.

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What is your question?

Popular Answer

Rear window defrost does not heat, what do I look for to fix?

What is your question?

The light comes on when flipping the switch but the window does not heat up. Not sure where to start looking for the issue. Does this work through a fuse?

maylin281 in Broomfield CO

Feb 16, 2015

1 Reply

Popular Answer

pushrodon Feb 16, 2015

Not a fuse... Lights comming on!!.. Suspect connection to the grid at back glass, possibly broken wire...

csubak30on Feb 17, 2015

Yup, look for a break they used to make a metal conductive 'paint' to fix these breaks.

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Popular Answer

What are the best GMC repair shops?

RepairPal Certified shops can diagnose and repair your 1991 GMC Jimmy. They provide transparent pricing with a minimum 12-month or 12,000-mile warranty on repairs and services.