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Jay sauceda Posted on May 15, 2017
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Ac blower quit?what switch is the ussaull culprit

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Jeff Armer

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  • AC Master 15,575 Answers
  • Posted on May 15, 2017
Jeff Armer
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Joined: Nov 22, 2012
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What make , model an year vehicle ? Probably blower motor or blower motor resistor or could be a control processor . But those are just guesses . Testing the blower motor electrical circuit is the proper way to a fix . Do you know how to do automotive electrical systems testing using a DVOM - digital volt ohm meter ? How to read an use a wiring diagram to pin point places in a wiring circuit to do testing at ?
Blower Motor Problems Auto Repair Help

How to test blower motor and resistor subscriber requested

Newer vehicles with automatic climate control have a control processor in charge
HVAC Blower Motor Circuit

If you don't know any of this your best bet would be to take to a qualified repair shop .

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HVAC Blower Motor Circuit

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Blower Motor Problems Auto Repair Help

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How to test blower motor and resistor subscriber requested

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Related Questions:

0helpful
1answer

Why is my heater blower motor not running?
If you got the motor to run, then whatever feeds that motor electricity is the culprit. Check the switch.
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Aug 06, 2015 • 1991 Buick Roadmaster
0helpful
1answer

My 97 buick lesabre limited heater/ac blower quit, it has the climate control,I checked all fuses.
REMOVE HEATER BLOWER MOTOR HOT WIRE BLOWER MOTOR IT.IF IT WORKS.YOUR AC AND HEATER CONTROL SWITCH IS FAULTY.CHECK HVAC FUSES AND CHECK BLOWER MOTOR RELAY.IF BLOWER MOTOR DONT WORK WHEN HOT WIRE REPLACE IT.IF ALL CHECK OUT GOOD.HAVE DEALERSHIP DO A DIAGNOSTIC TEST ON YOUR CLIMATE CONTROL SYSTEM.
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Dec 02, 2010 • 1997 Buick LeSabre
0helpful
1answer

The heat will not work at all as well as the a/c it just quit
CHECK AC / HEATER IGNITION FUSE IT WILL BE 10 AMP FUSE.CHECK HVAC BLOWER 20 AMP FUSE.HAVE BLOWER MOTOR HOTWIRE TO SEE IF BLOWER MOTOR WORKS.BECAUSE THE AC / HEAT CONTROL MODULE OR SWITCH COULD GO BAD WHERE NOTHING WORKS.
Read full answer
Nov 27, 2010 • 1999 Oldsmobile Alero
0helpful
1answer

How to get the face plate off to get to the a/c fan switch. AC will only run on High
It's rare that the condition your describing is caused from the switch itself. 99% of the time the culprit is the blower motor resistors. It's a set of resistors that lowers the voltage to the blower motor to control it's speed. It's usually a quick install and about $20-$40 in parts. Most likely only available from the dealer though.
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Aug 14, 2010 • 2005 Ford Taurus
0helpful
1answer

No heat,,no ac,no fan,,dont matterwhere i set the heat or ac,temp,does not change
Sounds like a defunt blower motor & or blower motor switch, lots of testing to be done to find which one is the culprit, useage of an ohmns and dc volt meter is necessary as well as a 12 v test light, also look at the condition of the fuse for the heater/a/c located in the under dash fuse panel should be labeled as such.
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Aug 12, 2010 • 2000 Mercury Grand Marquis
0helpful
1answer

Why has the fan setting for the ac/heating has stopped working
The switch is uaually the culprit when it goes dead. Does the highest speed work when the AC is on? If so the fan switch is at fault. If nothing works as you put it the blower resistor is burnt out
Read full answer
Jun 30, 2010 • 1997 Pontiac Grand Am
0helpful
2answers

2004 Dodge Ram 3500 5.9 l cummins. My ac
Most likely culprit is the blower control module/ resistor. It is the part that controls the blower motor speeds.
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Dec 25, 2017 • 2004 Dodge Ram 2500
0helpful
1answer

Heater/AC fan quit.
ok first check your fuses ,blower relay and the blower resitor,inspect the wiring to the blower and the switch,if you have power to the switch and to the blower then your blower motor is no good.

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Sep 08, 2009 • 1991 Honda Civic
0helpful
1answer

1995 Jeep Cherokee AC blower doesn't work. Replaced blower resister, blower, and Aux fan fuse and still it doesn't work. I'm running out of things to check. Original problem was that blower was screeching...
do you have feed to blower motor ?? sorry CSI is coming on TV now and er indoors is screaming that i spent too long on here '¡'¡'¡'¡'¡ usual ----typical woman ,if you have her i will throw my jag in the deal for free
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Jul 29, 2009 • 1995 Jeep Grand Cherokee
4helpful
3answers

My blower motor quit working all together in my 04 sante fe. the relay is still working i can hear it clicking when i turn the switch on and off the motor also works because i have put straight power up to...
take the 2 screws out that are behind the ashtray and gently pull the blower controls away from dash on the main plug going into the harness you will find a loose connection with a thick blue wire
it may also be melted due to overheating nothing is wrong with your switch just the connection by looking at it you will have to determine the way you have to deal with the problem.
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Jul 22, 2008 • Hyundai Santa Fe Cars & Trucks
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