Quote:
Originally Posted by Hogweed
yeah i was thinking it was aux fan or ac but not integral to the operation of the veh....cranked like a champ but no fire until i put it in.
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That is very strange. That resistor does not even have power, it is connected to a relay in the fuse box. The relay is closed by the high pressure switch on the dryer. Closing the relay sends 12v to the resistor, causing the fan to run at low speed.
An '87 doesn't even need electricity for the engine to run. It uses a computer to manage the idle speed, but other than that it is a purely mechanical injection pump just like the older cars. I owned one of these for many years.