Quote:
Originally Posted by rayfinseats
Question: If I hook a positive 12v wire to the one lead on the heater blower motor on my 83 it should come on right ??? Cuz mine don't.
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That would be my basic understanding. The wiring for the motor feeds through resistors located on/in the heater box to provide speeds below "high". If it fails, you only get "high", so I'm guessing the motor is shot. Shouldn't be expensive but will probably be a major PITA to change.