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International Automotive Technicians Network
Re: Voltage regulator
Posted to Technical Discussion Forum on 9/9/2023

The car I did it to just had 1 wire from the pcm to control the Alternator and the sense wire was hooked to the dash with a bulb. The PCM has battery power that the PCM uses to get feedback on charging. It was the original style that had the PCM in the fender ... Login to read more.