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What will make a blower in a car only work on high 0n a 1996 sunfire

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You need to replace the resister block located on the duct work for the blower. it will be located near the blower (fan) with at least two wires plugged into it. remove the two or three screws hold it in and replace it. make sure it's off when you do that as the resistors get extremely hot.

robert

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Posted on Sep 07, 2009

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There is a blower motor resistor that slows the fan down, if this fails the only speed you will have is high.

Posted on Sep 07, 2009

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The high low switch is bad, replace switch if u want low fan

Posted on Sep 07, 2009

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SOURCE: what will make a blower in a car only work on high

It may be caused by a Failure in the Resistance coil that controls the voltage to the Motor, and varies the Motor's speed.
On many vehicles, this is part of the Blower Control switch, on the Dash.
Regards,DT

Posted on Sep 07, 2009

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1 Answer

Where is the blower motor located for the heater on a 1996 pontiac sunfire


it is under the dash on passenger side possibly need to remove a shield to see it if it is only working on high replace blower resistor

Dec 15, 2010 | 1996 Pontiac Sunfire

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Nov 30, 2010 | 1996 Pontiac Sunfire

1 Answer

The first and second settings do not work on the fan for the heater/ac?


The blower resistor is bad.Replacing this should take care of the issue,It is located on the passenger side under the glovebox by the blower motor.

Oct 30, 2010 | 1996 Pontiac Sunfire

1 Answer

My heat works but the blower does not work how do i fix it


Check fuse first. If fuse is ok put 12 volts to the blower motor to see if it runs. If not the motor is faulty . If it runs then check thre switch and wireing.

Oct 21, 2010 | 1996 Pontiac Sunfire

1 Answer

Blower not working for ac or heat


Remove the blower motor resistor and check it over.If it looks like it has a burn spot on it it is bad.Sometimes they will look good and still be bad.this is a common problem with blower not working.Before removing the resistor try tapping on the blower motor.If it starts to work then it is the blower motor itself.Also check fuse.They are under the hood and on the side of the instrument panel.Good luck.

Dec 14, 2009 | 1996 Pontiac Sunfire

4 Answers

What will make a blower in a car only work on high 0n a 1996 sunfire


Could be two things. Heater control..or heater switch. Or the moter is not recieving the reostat info from control. Check at heater wher wires go into it..as you change positions of switch you should see a voltage drop or increase, if u do then the moter is bad...if u do not then replace the heater control unit. :)

Sep 07, 2009 | 1996 Pontiac Sunfire

1 Answer

1998 pontiac sunfire interior AC fan always on high.


This problem is caused by a burnt out fan speed dropping resistor, the resistor is near the blower fan on the air box.

Dec 07, 2008 | 1998 Pontiac Sunfire

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