BLOWER MOTOR NOT WORKING

  • Tiny
  • rdarche
  • Isuzu

I have a 1991 Isuzu pickup, 80,000 mi.
The blower motor does not work.

* I pulled the motor out, and connected it to a 12V source, and it works.
(it is a bit sluggish, so it may need to be replaced anyway)
* If I move the fan switch to one of the on positions, the AC will activate
(shows that the switch is good?)
* a voltmeter across the plug to the motor shows no voltage
* I also do not get a ground continuity at the plug to the motor
(assuming blue w/black stripe is ground, blue w/white stripe +12)

* bad wiring or relay?

Friday, January 20th, 2006 AT 8:02 PM

2 Answers

  • Tiny
  • Jack42
  • Member

Speed controller

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Thursday, February 2nd, 2006 AT 3:36 PM
  • Tiny
  • basserman
  • Member

I think I have the same problem. I ran a few tests with the same results. By 'speed controler' do you mean the switch in the dash?

Thanks

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Tuesday, January 30th, 2007 AT 11:51 AM

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