Question about Chevrolet Silverado 2500HD
I assume we are talking about the Heating/AC Blower Motor Fan?
I wish you didn't buy the Blower Motor before asking me, it would have saved you the cost of the Blower Motor.
The Heater/AC Blower Motor System consist of the Switches, Relays, a (one (1) for each motor)) RESISTOR and a Blower Motor.
The System only working on High and popping fuses/relays on Lower speeds are direct indications that the Blower Motor Resistor is bad.
The Blower Motor Resistor is located near the Blower Motor and has 3 to 4 wires going into it. The wires from the Switches go to the Resistor then from the Resistor they go to the Blower Motor itself.
It is easily removed and replaced.
Let me know if this helped, or if you have additional information, questions, or problems. Contact me at FixYa.com!
Posted on Feb 01, 2010
The common problem with the blower motor on these is the blower resistor module.It is by the blower motor and the wires from the resistor module plug into the blower motor.These resistors can cause a lot of problems.Sometimes they will keep the blower working even with the key off and out of the vehicle.If your going to swap parts don`t buy new ones.Go to your local salvage yard or junk yard and get used ones.They are a lot cheaper and if they don`t take care of the problem your not out a bundle.Hope this helps.Good luck and let me know if you need more help.
Posted on Feb 01, 2010
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Posted on Jan 02, 2017
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