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1995 GMC Safari power windows

Tiny
JB8103
  • MEMBER
  • 1995 GMC SAFARI
  • 6 CYL
  • AWD
  • AUTOMATIC
  • 155,000 MILES
Power windows do not operate. Checking voltage across fuse block terminals, there is no voltage at this position. Vehicle is running during check. How in the world can this happen?

Other fuse positions check out OK, except cigarette lighter, which reads 10 volts.

Vehicle equipped with aftermarket alarm system. This controls door locks.
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Friday, December 28th, 2007 AT 8:48 AM

5 Replies

Tiny
2CARPRO JACK
  • MECHANIC
  • 11,533 POSTS
Behind the battery are some power feed wires. They get corroded when the acid leeches up the cables. Seen this before. Tets at connector to verify no power
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Saturday, December 29th, 2007 AT 7:34 AM
Tiny
JB8103
  • MEMBER
  • 4 POSTS
OK, according to Mitchell Manual wiring diagram, there's a battery junction block right there. Is that the connector you mean, on the junction block lead?
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Saturday, December 29th, 2007 AT 9:25 PM
Tiny
JB8103
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  • 4 POSTS
Here is an underhood illustration, left side of firewall
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Saturday, December 29th, 2007 AT 10:20 PM
Tiny
2CARPRO JACK
  • MECHANIC
  • 11,533 POSTS
That looks like the one
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Sunday, December 30th, 2007 AT 8:45 AM
Tiny
JB8103
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  • 4 POSTS
Thank you, I will check that ASAP. Or ASAISS (as soon as it stops snowing).
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Sunday, December 30th, 2007 AT 1:42 PM

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