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Blower motor on heater keeps going all the time

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Stephen

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  • Cars & Trucks Master
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Year make and model ? Does it run with the relay and fuse removed ?

Posted on Jan 15, 2014

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Richard Scordino

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SOURCE: what would cause the heater blower motor resistor

If you have a poor ground on the blower motor or very worn blower itself, it can cause the resistor to become hotter than it was designed for. Less common causes are restriction in air flow in the heater box (resistor is air cooled) or gross overcharge condition from a bad regulator.(generally this would show up in other powered components as well though)

Posted on Nov 18, 2009

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bluelikealex

Amayamark

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SOURCE: How to replace heater core blower motor on a 2003 GMC Safari van

Dear James,

Try This. Go To YouTube And Type In "replace heater core blower 2003 GMC". You Might Get A Helpful Video Showing You One Being Replaced.

Hope This Helps.

Alex :o)

Posted on Nov 25, 2011

emissionwiz

Marvin

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SOURCE: Kia Sportage 2006 . . heater blower motor resistor keeps failing. heater fan won't run

Have you replace the heater blower motor? It sounds like it is shorted.

Posted on Mar 05, 2012

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2 Answers

Kia Sportage 2006 . . heater blower motor resistor keeps failing. heater fan won't run


Have you replace the heater blower motor? It sounds like it is shorted.

Mar 05, 2012 | Cars & Trucks

1 Answer

How to replace heater fan motor


first turn off radio to keep from locking it out then remove the negative battery cable.now to remove blower motor on blazer go under the hood remove pcm computer from the top of the coolant recovery tank,then remove the coolant recovery tank your heater blower motor behind the housing remove blower motor electrical connectors then remove blower motor housing bolts then you right at the blower motor.

Jan 04, 2012 | 2000 Chevrolet Blazer

1 Answer

How to replace heater core blower motor on a 2003 GMC Safari van


Dear James,

Try This. Go To YouTube And Type In "replace heater core blower 2003 GMC". You Might Get A Helpful Video Showing You One Being Replaced.

Hope This Helps.

Alex :o)

Nov 24, 2011 | Dodge Caravan Cars & Trucks

1 Answer

1992 323 mazda want blow heat out


REPLACE THERMOSTAT.IF ALREADY DONE.CHECK HEATER BLOWER MOTOR SEE IF POWER GOING TO HEATER BLOWER MOTOR.IF YES BLOWER MOTOR BAD.IF NO POWER GOING TO BLOWER MOTOR CHECK AC AND HEATER CONTROL FUSE AND CHECK BLOWER MOTOR FUSE AND RELAY IF ALL IS GOOD CHECK SEE IF POWER GOING TO AC AND HEATER CONTROL SWITCH IF YES THE AC AND HEATER CONTROL SWITCH COULD BE BAD.

Nov 10, 2011 | 1991 Mazda 323

1 Answer

Heater/ac blower motor does not work,,, check fuses, didnt check blower resistor,


CHECK BLOWER MOTOR RELAY ALSO, AND USE A TEST LIGHT TO SEE IF POWER GOING TO BLOWER MOTOR, IF YES BLOWER MOTOR FAULTY.IF NO POWER GOING TO BLOWER MOTOR AND FUSE AND RELAY OKAY CONTROL SWITCH COULD BE BAD,A RESISTOR BAD MOST OF THE TIME IF YOU DONT HAVE BUT A FEW FAN BLOWER CONTROL SPEEDS.

Jul 22, 2011 | 1999 Oldsmobile Alero

1 Answer

Heater and air stopped working on my 2000 Ford Focus zx3


CHECK BLOWER MOTOR FUSE AND RELAY.SEE IF POWER GOING TO BLOWER MOTOR YOU HAVE FAULTY BLOWER MOTOR.IF BLOWER MOTOR FUSE AND RELAY OKAY.IF NO POWER GOING TO BLOWER MOTOR BUT POWER AT AC AND HEATER CONTROL SWITCH. BLOWER MOTOR HAS POOR GROUND OR AC AND HEATER CONTROL SWITCH IS BAD.

Jun 12, 2011 | 2000 Ford Focus

1 Answer

How to replace a blower motor in a 1996 ford thunderbird lx


Removal
  1. Remove the glove compartment liner to gain access to the heater blower motor and blower motor wheel assembly mounting screws.
  1. Use a small screwdriver to remove clip retaining hydraulic damper strut.
  1. Remove four screws and remove the heater blower motor assembly and blower motor wheel assembly from the heater blower motor housing.
Installation
  1. Using a new seal, position the heater blower motor and blower motor wheel assembly to the heater blower motor housing with the flat side of the flange near the heater blower motor switch resistor (18591). Install the four retaining screws.
  1. Tape the heater blower motor power lead to the air inlet duct to keep the wire away from the blower outlet during installation.
  1. Install the heater blower motor and blower motor wheel assembly in the vehicle.
  1. Install the glove compartment liner.

Oct 07, 2010 | 1996 Ford Thunderbird LX

2 Answers

I have a 2000 chrysler grandvoyager se and it 's got a problem the air conditioner only works in full speed how can i fix this problem


There is a blower resister,module ,it is bad,it is located near the blower motor,mounted on the outside of the blower case,but actually goes inside the blower box to keep cool,most of the time the blower motor is the cause for the resister to go out,the blower draws too many amps,even though it may seem it is fine,this is the cause for the resister failure.

Apr 23, 2010 | 2000 Chrysler Grand Voyager

1 Answer

My heater only work on high and will not blow out defrost


IF THE BLOWER MOTOR ONLY WORKS PN HIGH THEN YOU NEED TO REPLACE THE BLOWER MOTOR RESISTOR LOCATED ON THE SAME HEATER BOX AS THE BLOWER MOTOR

Jan 08, 2010 | 2002 Pontiac Grand Prix

1 Answer

Where is the heater blower resistor located


Blower Motor Resistor
The four-speed operation of the blower motor is achieved through the blower motor resistor. The blower motor resistor is mounted under the A/C evaporator/blower motor assembly.
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the heater blower resister is in the heater plenum under the dash on the passenger side. the resister is in the air stream to keep it cooled. it has 2 screws holding it in and a 3 or 4 wire connector on it. easy repair. buy resister from tascaford.com for 25% off.


Dec 06, 2008 | 1999 Mercury Villager

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