Question about 2004 Pontiac Grand Prix

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Where is the rear defroster fuse

My rear defroster is not working at all. The button in the inside will not come on. I look for the fuse in the fuse box on the right side panel of car. But still can not locate fuse. Could you explain where it is exactly at.

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  • Pontiac Master
  • 5,531 Answers

It's probably not a fuse, but a relay, also called "defogger relay", and it should be in the fusebox you are looking at, or else in the power distribution center by your battery.
Often the problem with the defroster is either the connector at rear window, or the little bands, or lines that carry current become scraped and lose continuity.

Posted on Nov 12, 2011

  • lovelyday33 Nov 12, 2011

    Thank you so much for the information. It help me alot.

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Posted on Jan 02, 2017

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