Does anyone know why there is a diode between the wires on the wiper motor plug??? Was this a campagn thing or directly from the factory like this. Im wiring my car using a painless harness and wondering if I need to duplicate this configuration.
its for the "park" feature.it keeps a small amount of current so after you shut the wipers off it has a small amount of power to bring them down below the hood line when the key gets shut off.i rebuilt a 86 Monte ss column so i went with the same year Monte ss wiper motor and didn't have to deal with that diode part.it just wired up differently than the oe 82 elcamino motor. had i used the original stuff I'd retain that diode for sure.
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