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The Blower Motor Resisotr Pack is defective. Replace it. diagnose the blower motor resistor circuit... read up on how... everyone should have a manual for their vehicle, and a professional shop manual should be available at the library in the reference section for FREE...make copies of the right pages and fix your vehicle like a PRO! :) good luck Dave :)

2006-08-10 15:59:02
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Q: What is wrong if your blower fan motor only works on high speed on a 1999 Chevy Prizm?
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What does the blower resistor do in a 2006 Chevy Express?

The blower resistor controls the speeds of the blower motor Hi-resistance lower motor speed Lo-resistance higher motor speed


I have a 2004 Chevy Colorado blower motor only works on high speed only?

Probably your blower motor speed resister is burned out.


What would cause your blower motor to work on only one speed on a 97 Chevy k1500?

If the one speed it works on is high speed, it is the blower motor speed resisitor that is bad.


What list of things should you check on 2002 Chevy blazer before you replace the blower motor?

The fuse. The blower motor speed resistor. The blower motor relay. The blower motor switch. Check for power at the blower motor connection.


How do you fix blower motor that work only on hi on a 1997 Chevy G10 van?

Replace the blower motor speed resister.


Where is resister for low and medium blower speed 1992 1500 Chevy?

usually mounted on or next to blower motor


Where is the relay switch for blower motor s-10 Chevy?

Need to know what year. FYI, the relay for the blower motor only operates the high speed function. The lower speeds are operated by means of the blower motor speed resistor.


Why doesnt the low and med fan speed not work on your 2000 Chevy Prizm?

Your blower motor resister, which is a circuit card located in the bottom side of the blower housing ( just over your front passenger's toes ) is most likely partially cooked - replace it.


What is wrong if your blower fan motor only works on high speed on a 2002 Chevy suburban?

blower resistor is bad


What would cause my blower motor to only run at high speed on my 1998 Chevy Express?

The blower motor speed resistor is burned out. The resistor is usually found close to the blower motor. Auto parts stores carry that part and it is easy to replace.


What is the purpose for the relay fuse for the blower in the 1993 Cadillac deville?

The blower motor fuse protects the blower motor electrical circuit. The blower motor relay operates only the high speed function of the blower motor. The blower motor speed resistor operates the lower speed functions of the blower motor.


Why does Chevy Impala blower only work on high speed?

The blower motor speed resister is burned out. This part is available from your local auto parts store.


How do you check blower motor relay on Chevy truck?

Swap the relay with a known good one, many of the relays are of the same part number. Keep in mind that the blower motor relay only controls the high speed function. The blower motor speed resistor and the blower motor switch controls the lower speeds.


Where is the relay switch for blower motor s 10 Chevy?

Not knowing what year S10 you have, you can generally find the blower motor high speed relay nearby the blower motor on the firewall. The resister for the other lower speeds is also found close by the blower motor.


Where is blower resistor on a 2000 blazer Chevy?

Should be behind the glove box. The blower motor speed resistor is located under the hood, on the firewall, passenger side, close to the blower motor.


Where is the heater relay switch in 1997 Chevy blazer?

The high speed relay for the blower motor would be found under the hood, on the passenger side of the firewall, close to the blower motor speed resistor.


How do you repair the 4 speed fan control on a 2002 Chevy Prizm positions 1 2 and 3 are out?

sounds more like blower motor resistor cost about $30.00 from dealer and 2 screws hold it in place


Where is the blower motor relay located on a 1999 Chevy blazer?

The blower motor relay for high speed would be located in the power distribution box under the hood.


Is there a relay switch for the heater on a 1994 Chevy truck?

Only for the high speed blower function. The lower speeds go thru the blower motor speed resister.


What would cause your blower motor to only run on high in your Chevy Express?

The blower motor speed resistor is burned out. The resistor is located close to the blower motor and is easy to change. Your local auto parts store will have that part for you.


1993 Chevy pu you have no low or med blower motor speeds you have high only you have checked all the fan speed relays resistor fan switch and blower motor all ok What to do next?

Resistor pack on blower motor? Fan switch? Low speed relay?


Why doesn't 1997 Chevy Suburban's dash board blower work?

If the blower works on the defrost mode only, you could have a disconnected vacuum supply line coming from the engine. If the blower motor doesn't work on any mode or speed you could have a blown fuse, burned out blower motor speed resistor, bad switch or a bad blower motor.


What causes the AC switch to turn on only on the five setting on a 2002 Chevy Impala?

If you are referring to the blower motor speed control, and you only have one speed, then the blower motor resistor pack is defective and must be replaced.


Your ac want blow how do you fix it?

If you are saying the blower motor will not work, then check the fuse. If the fuse is not blown, then it is possibly a defective Blower Motor Resistor Pack, blower motor, or blower motor speed control switch, in that order.If you are saying the blower motor will not work, then check the fuse. If the fuse is not blown, then it is possibly a defective Blower Motor Resistor Pack, blower motor, or blower motor speed control switch, in that order.


Was 2002 Chevy Prizm 3 speed or 4 speed?

both