Rear window defog not working

Tiny
JESSPRIDDYSR
  • MEMBER
  • 2002 CHEVROLET ASTRO
  • V8
  • 2WD
  • AUTOMATIC
  • 159,000 MILES
Rear window defog not working replaced relay no help are there any other fuses
Monday, December 27th, 2010 AT 1:36 AM

1 Reply

Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Replacing parts without understanding what is fault is a waste of time and money.

For electrical faults, you need a test lamp or DVOM to test for power supply.

The schematic shows all the omponents related to the defoger. Get a test lamp to check for power supply to RR Defoger fuse when turned on.
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Friday, December 31st, 2010 AT 5:44 PM

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