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Q: Why does a pickup truck ac blower blow fast and slow on max speed?
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Related questions

Why does the fan only blow on high speed on a 96 full size pickup?

blower motor resistor is bad


How do you fix a 1995 Chevy truck blower that will blow on every setting but high?

Replace the high speed relay.


Air wont blow hard in truck anymore?

If it's a fan speed issue check the blower motor resistor & the blower motor. Check the plugs at the resistor and blower motor for burn marks also.


What causes the blower on a atc to blow only hi?

Blower speed resister is burned out.


Blower will not blow fuse is good?

Defective blower motor, blower motor resistor pack, or blower motor speed control switch.


What do you do if your 1998 Nissan sentra blower motor only blow on high speed?

More than likely the blower motor speed resistor burned out.


What would cause my blower motor on my truck to slow down while driving If you tap on it it usually comes back to full speed but then gradually slows down?

The blower motor is tired. It will eventually blow a fuse and/or burn out the blower motor speed resistor. Time to replace the blower motor. Also check connections for high resistance damage (melted connections).


When you turn the ac blower on your 96 Nissan maxima the fan does not blow at any speed but you can hear the ac compressor kicking in?

check the blower fuse if the fuse is good the blower motor is bad or else you have short


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.


What does a blower motor resistor do?

It gives you all the blower motor speeds except high. all blower motors are 12 volt, so on full speed they turn fast and blow a lot of air, to make the fan turn slower [and blow less air] they route the power through a resister, it drops the voltage to the motor so turns slower, on a 4 speed motor there will be 3 resisters.


Why would the AC only blow on High and not low on a 2001 S10 Blazer?

The blower motor speed resister is probably burned out.


Why doesnt the blower motor only blow on hi on 1999 Mitsubishi galant?

the blower resistor is bypassed on high. a direct path to ground. if high is the only operational speed the resistor is bad.