Quote:
Originally Posted by coldgin
just replaced the heater fan motor on my 69 gmc....non a/c....it quit working Saturday night....so turned switch on and the fan wasn't working...checked fuse and saw it was blown....replaced and fan works....but when I start the truck in about 5 seconds the fuse blows....popped 2 like this?what could be my problem?
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Does the motor seem like it starts up and runs OK? Does it sound like it is dragging?
I guess the first thing I would check is the resistor. It is in the top of the heater box on the inside of the truck. (under the glove box) There are two 5/16 hex head screws that secure it and it has Blue/Yellow/Orange wires that run from the heater switch to it....
Here is a picture of it. I think this picture was originally posted by member VetteVet.
The switch could possibly be bad also. I'm not sure how starting the truck would affect it though.
LockDoc