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  1. #1

    Default 1978 suzuki spirit 50hp wiring

    i need to know witch wires go where on the key switch. i know the white goes to the bat, brown to the sel. and the red to the push to choke but i don't know where the yellow , green, and the black goes on the switch. i have three more post on the switch they are mag. circ. , ignition , an one that just has an (m) on it.can any body tell me where these wires go? thank you 1978 spirit suzuki 50hp

  2. #2
    Petty Officer 3rd Class
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    Default Re: 1978 suzuki spirit 50hp wiring

    The green kills the mag when key is off, black supplies ground to kill mag, yellow must be ign. green=mag, black=circ,yellow=ign

  3. #3

    Default Re: 1978 suzuki spirit 50hp wiring

    Thanks a lot, i was thinking the yellow was the ign. and the green went to the mag. circ. on the switch , and the black to the post that just had the ( m ) on it. i would have had them back words. thanks so much

  4. #4
    Senior Chief Petty Officer stylesabu's Avatar
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    Default Re: 1978 suzuki spirit 50hp wiring

    I believe yellow is for the tach, it is on the 80's suzuki's outboards
    my new boat Lund 1775 Pro V

  5. #5

    Default Re: 1978 suzuki spirit 50hp wiring

    I have a blue wire that is in the harness, but it is not hooked up to the motor . I was thinking that was for the tach.

  6. #6
    Petty Officer 3rd Class
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    Default Re: 1978 suzuki spirit 50hp wiring

    If you cant kill the engine swap the green black. not sure about the blue.

  7. #7

    Default Re: 1978 suzuki spirit 50hp wiring

    OK, i'm going to go out this after noon and try it, thanks. i'll let you know ho i make out.

  8. #8

    Default Re: 1978 suzuki spirit 50hp wiring

    Thanks guy's, It's up and running. Thanks , thanks , thanks

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