Quote:
Originally Posted by supernovatx
It's a 76 911s and I've the aftermarket evaporator/fan that had a ~6"x8" hole cut in the body wall to the smugglers box. It was well done but it is not the factory model. I don't know whom the manufacture was but originally the car was out of california.
The AC works fine its just the high speed wire to the fan gets to hot. Thanks, John
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I "assume" that the aftermarket installation included some type of resistor circuit to control the fan speed(s).
As you can see by the schematic, the high speed setting (#3) bypasses these resistors
suggesting that your fan should be directly wired to the the switch.
Can you trace out the wire from the high speed contact on the switch (#3) to It's end connection on the motor?
Look for a shorted wire.
Gerry