I do not have a schematic for this truck, and the cabin fan suddenly stopped working. I cannot find a fuse that is blown, so I'm moving on in my diagnostic routine. Without a schematic, it is difficult to know where to go next.
Is there a problem with the control module that keeps the fan from coming on?
Nevermind.
The kid kicked the fan and it started going. Must have sucked down a leaf or something. Whatever. The complicated problem turns out to have been easy.
any motor, be it a starter, fuel pump, or blower fan motor, that "works again" when you hit/kick/whack it....usually has a flat spot on the commutator which means it is indeed bad. With a non-crucial component like a blower fan though, I can see living with smacking it once in a while. GW
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