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International Automotive Technicians Network
Re: 1972 Chevrolet C10 wiring diagram
Posted to Open Discussion Forum on 3/18/2019 1 Reply

The newer 73 will have a 2 wire plug for the regulator 1 is for sense the other is for exciting the [...] truck could have been ignition or light excited...if ignition you should add a 400/500 resistor in series with the light [...] sense wire could be looped ... Login to read more.

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