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Blower not working

I have checked relay and fuse and both okay...what else?

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  • Cars & Trucks Master
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Remove blower motor hotwire it using battery power and jumper wires.if blower motor works,control switch bad.if no blower motor dont work replace it.

Posted on Dec 01, 2012

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  • Master
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To determine the cause of a blower fan failure, isolate the motor, and perform some basic electrical tests.Check fuses first. Fuse failure often causes component failure. Check for power at the motor itself. Test the connection to the blower motor. Test the switch.-------------------------------------------------------------------
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Posted on Dec 01, 2012

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6ya6ya
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Posted on Jan 02, 2017

emissionwiz
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SOURCE: 1994 civic heater blower is not working fuses and relay is good?

check and replace the blower motor speed control assembly

Posted on Dec 15, 2008

dgjtex
  • 405 Answers

SOURCE: Front blower motor doesn't work, rear does

yes, all blower motors have them to control their speed, High, medium, low.. etc. I earn nothing by helping you, but my rating, a fixya rating and I will walk you through this

Posted on Dec 20, 2008

Audioaholic
  • 376 Answers

SOURCE: Front Blower motor on my 2003 trailblazer EXT

test the fan first, should have high at 12vdc.then look for the resister, thats probably the culprit.....good luck

Posted on Sep 13, 2009

SOURCE: blower motor does not work

I had the same problem, replace, replace, replace. Check, check and recheck. What I found was the blower motor resistor, located in the blower squirrel cage area, two prongs and a curly wire, was bad. Took the new one back, (it ohmed out okay, continuity ok, all ok!) replaced it with another, and Bingo, problem solved. Frustrating to say the least. After two relays and a blower switch, and test, test and retest. It was a faulty resistor. Made in Mexico. And no guarentee, even though new, it works. Trial and error. Even the dealer parts are Honcho en Mexico. Thanks NAFTA. You gonna make us all welfare babies.

Posted on Sep 28, 2009

  • 18 Answers

SOURCE: Heater Blower won't work

There was a bulletin reguarding water contaminating the blower motor, which overheats the blower resistor and renders it inoperative. The fix was to replace the blower and the resistor and seal the culprit hood cowl screw at the base of the windshield, which is the second screw from the passenger side. They say water drips off of it down into the fresh air opening.
Here's what I'd do: Assuming your switch and blower motor is good, replace the blower resistor. Remove the blower motor and see if it spins without any excessive drag. If it's okay, reuse it. If it's dragging, it will overheat your new resistor in a short period of time and you'll be back at square one. The blower resistor is mounted to the front of the case with 2 screws to the left of the blower motor. Remove the glove box and you'll see it.
The Hood cowl screw is straight down into the cowl, the second one from the right side, about 10-12 inches from the right fender. Pull it out, put some sealer on it, and reinstall it.

Posted on Oct 02, 2009

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1 Answer

2002 TAHOE FRONT BLOWER NOT WORKING, APPLY DIRECT 12VDC TO FAN AND IT WORK. REPLACE NEW BLOWER RESISTOR AND STILL NOT WORKING. NO POWER TO THE ORANGE WIRE! FUSE CHECK OUT OKAY.


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The switch in any of the positions, powers the Brown w/ Orange stripe wire wire to the blower relay ( by the flasher in the relay block under the dash by the steering wheel column, usually covered in black tape from the factory ).

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