Question about 2006 Toyota Tacoma

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Blower motor resistor

My blower for ac and heat only blows on high. they tell me it is the resitor for the blower motor. Can you tell me where this is located an how much trouble is it to replace

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Two bolts a little neck twisting 5 mins...
Look under the dash follow the wiring from the blower any two of them will lead you to the resistor. It's in the air box about.

Posted on Jul 27, 2009

  • rosario
    rosario Nov 17, 2013

    yhanks very help full

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What is an AC diode fuse? I have a 2006 AWD Pontiac Torrent the AC/Heat doesn't work, I've changed all fuses for the HAVAC and still no AC/Heat blowing out of vents. What could be the problem?


Could be a number of thing's ! Testing the electrical circuit is the way to find out what's wrong . Using a wiring diagram and a DVOM - digital volt ohm meter . Videos on youtube showing how to test it ! Without testing i would only be guessing . Does it work in high speed ? In high speed it by-passes the resistor . If it doesn't work in any speed more then likely the blower motor is the problem !
Air Speed
The HVAC control assembly applies ground to the blower motor control circuit that corresponds to the selected blower speed. The resistors and the blower motor are in a series circuit. The following list represents the number of resistors in series with the blower motor per particular speed request:
• Low speed--3 resistors
• Medium 1 speed--2 resistors
• Medium 2 speed--1 resistor
When the operator requests High speed, the HVAC control assembly applies ground directly to the blower motor through the high blower motor control circuit. The resistor card has a fusible link which, if blown, will require that the card be replaced.

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Jun 11, 2017 | Pontiac Cars & Trucks

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The blower fan for the ac and heat is only blowing on the high setting. been told is a resistor possibly


Yes, if the resistor fails, the only setting that will work is the "high" setting, because that is the only setting that does not go through the resistor.

Jul 02, 2011 | 1998 Plymouth Voyager

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I think i have a loose wire on fan blower switch. sometimes it blows sometimes it doesnt/


sounds like you need either a blower motor or a blower resitor
does it work sometimes on all speeds or just only on high
only works on high= resistor
only works sometimes = blower motor

Nov 04, 2010 | 1998 Saturn SC

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My 94 Sundance heater/AC blower motor has quit. I've bought a new resister, but cannot find where it's located. Any help?


The blower motor resistor is located in the same duct that the blower motor blows through. If you see the blower motor, within a foot of it is the resistor. The blower motor actually blows over the resistor to keep it cool. The blower motor is usually only in 1 of 2 different locations. On passenger side, access under the hood or under dash access behind glovebox. In both cases the resitor will be in the duct that the blower motor blows through.

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Front blower only works on high, what part do i


There are two things I can think of that may be causing your problem. First the blower switch in the dash may be bad if you do not have an electronically controlled blower, if you do it could be the control unit itself, but usually they stop working alltogether. The other part which may be bad is the resistor pack on your blower motor.

If your blower has four speeds on it like most blowers these days then this resistor pack will have four resitors mounted on it. They look like coiled wires. These resistors vary the voltage coming from the blower switch so you have different blower speeds. Kinda acts like a filter dropping the voltage for the lowest blower speeds incrementally.

If you want to diagnose this yourself it shouldn't be too hard. You will need a 12 volt test light or a multimeter to test for voltage. The blower motor should be located unther the hood of your vehicle on the passenger side against the firewall. It looks like a round black box with wires going to it. Where the wires connect to it the resistor pack is on the other end of the connector inside the motor housing. There are usually two screws or bolts holding it into the housing. If you take these bolts out it should come right out. You can visually inspect it and you may notice some charring on the circuit board where the resistors are.

I would measure power with you test light from the connector before it goes into the resistor pack. If you are receiving power at all blower settings then your blower switch is likely good since this feeds the signal to the blower motor.

You can then use a multimeter to ohm out the resitors on the resistor pack. If any of them show to be open you have a bad resitor coil there. You have two options at this point, you can unsolder the old resitors that are bad and try and replace them with comparable resitors from radio shack. Or you can go to rockauto.com and order a new resitor pack. They run about $16.00-$20.00.

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'99 Plymouth Grand Voyager fan switch issues


The problem is not with the switch, it's the blower motor resistor. The resistor is usually located in duct work near the blower motor. It will have 4or 5 wires going to it and is held in place with a couple screws. These things generate heat, so they put them in duct work so the fan blows air across them to keep them cool. Sometimes the plug gets hot and melts, you should be able to buy the resitor and the plug with wires (pig tail) from an auto parts store or a dealer. The resistors are usually about $50 the pig tail is about $30.

Dec 02, 2009 | 1999 Plymouth Grand Voyager

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Blower for ac/heat only work on lower 3 levels.


Check the blower motor resitor. Use a 12v test light at the switch and notice the bulb brightness change as you switch settings.. Probably have a bad blower resiter.

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I believe my heating/ac motor resistor is bad - fan doesn't work on high


Look behind the glove compartment door. Press the tabs holding it inward to let it drop out of the way.
I'm getting suspicious that the resitor block isn't to blame for these problems. May be the switch. The resistor block looks to be bullet-proof but it is a hard to test assembly.

Regards DP

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2002 Dodge Durango


blower motor resistor maybe why it only blows on high

Jun 25, 2008 | 2002 Dodge Durango

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