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Rear blower not working

Tiny
JOETRACYJOETRACY
  • MEMBER
  • 2004 CHEVROLET TRAILBLAZER
  • 4.2L
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 200,000 MILES
My rear blower motor for heat or A/C has never worked. When I turn the fan speed knob to any setting nothing happens. Was hoping you had an idea as to what I needed to check. I thought maybe rear blower motor resistor but don't know where this one is located even if this is the problem. Any advise and help would greatly be appreciated.
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Wednesday, April 29th, 2020 AT 2:45 PM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good evening,

I will attach the wiring diagram and the location for you to view. You will need a test light or voltmeter to do some quick tests.

https://www.2carpros.com/articles/how-to-check-wiring

The blower is common for failure but the reason it fails is from the blower motor drawing too much current.

It is in the right rear compartment under the trim panel. I attached some pictures for you.

Roy
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Wednesday, April 29th, 2020 AT 6:47 PM

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