Question about Chevrolet Cars & Trucks
Check the blower relay if ok
check the blower moter for power and that it works
then the last check out the fan switch
Posted on Oct 31, 2012
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Posted on Jan 02, 2017
More than likely this should just be your resistor. You have different sized coils on the back of your resistor for all the different fan speeds. if one of them burns out or breaks then that certain speed will not work.
Posted on Feb 03, 2009
Sounds like you may have a bad blower motor resistor. When they go bad, they usually wipe out all speeds except high. But could knock out just one or two of the speeds. It should be located near the blower motor.
Posted on Sep 10, 2009
It probably is the fan switch itself. They are around $30. for a new one. You can take it out and check to see if you have power to all the settings with a ohm meter or test light. They are not real hard to take out.
Posted on Jul 28, 2009
The connection at the blower resistor on these model years had problems with poor connections.
The increased resistance on the terminals caused them to heat up and burn. Some would go open circuit and not work at all and some would short to ground and run all the time, like yours.
As you have already discovered, you will need to replace the pieces.
Posted on Nov 01, 2009
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