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Thread: 1947 wire harness to a 65A Generator

  1. #1
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    1947 wire harness to a 65A Generator

    Happy New Year to all,
    I have a question about my stock 1947 wire harness just received. Do i need to modify this harness if i intend to use this for my build? My Generator is a Model 65A. I intend to use a mechanical regulator. (BOSCH Style perhaps). Also in the equation is a Geoff Erdos Battery setup. When i compare the wiring diagram for the 1947 harness to one for a diagram with a 65A generator with a BOSCH style regulator there is a slight difference. I suspect that is due to the 3 brush relay vs a 2 brush regulator system.

  2. #2
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    Re: 1947 wire harness to a 65A Generator

    The wire from the 3rd brush to the light side of the switch is eliminated, the wire from the relay to ignition switch connects to the B+ side of the regulator. Reg to genny is same as any two brush.
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  3. #3
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    Re: 1947 wire harness to a 65A Generator

    Thanks Robbie. Does this mean i lose my "Gen" Light? If it does could i run a wire from Terminal 61 on the regulator to the switch?

  4. #4
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    Re: 1947 wire harness to a 65A Generator

    On the Bosch Regulator yes. And don't forget the ground on the regulator.
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  5. #5
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    Re: 1947 wire harness to a 65A Generator

    Can Do. Thanks Robbie.

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