1997 Chevy Blazer

Tiny
MICHAELJ4555
  • MEMBER
  • 1997 CHEVROLET BLAZER
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 102,000 MILES
At any given time while driving or just ideling the dash light for brakes and antilock will come on and the circute for the air conditioner, power windows will shut down, and then somtimes sooner or later the circut radomley comes back on. This is bad news in the summer in florida because the air quits and the windows wont go down! HELP!
Sunday, February 21st, 2010 AT 2:54 PM

3 Replies

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Hi, Thanks for the donation. I'd have to check circuits to and from the ignition switch. The orange wire in the diagram goes hot with the key on, carries voltage to power window circuit breaker and part of hvac system. You can use a testlite at the power window circuit breaker circuit, unplug the breaker where necessary, key on see if circuit is hot?


https://www.2carpros.com/forum/automotive_pictures/170934_power_window_circuit_breaker_1.jpg

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Sunday, February 21st, 2010 AT 3:19 PM
Tiny
MICHAELJ4555
  • MEMBER
  • 2 POSTS
It is hot when working not hot when it cuts out
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Sunday, February 21st, 2010 AT 3:48 PM
Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
When breaker isn't hot, check feed to switch. If that is ok, I suspect the ignition switch. Key has to be on, to get voltage at the breaker.
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Monday, February 22nd, 2010 AT 8:39 AM

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