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  1. #1

    Default wiring diagram 86 Ski Supreme Sierra

    I just bought an 1986 Ski Supreme Sierra. Boat needs help. Currently in re-upholstery mode but need electrical diagram to complete project. Called Ski Supreme and no help due to age. Engine looks decent but going through that as well. Any electrical info would help, especially interaction between dash and motor. Tach does not currently work. Thanks-

  2. #2

    Default Re: wiring diagram 86 Ski Supreme Sierra

    I have same boat,looking to repair in Webster New york...need same info

  3. #3

    Default Re: wiring diagram 86 Ski Supreme Sierra

    I have a 1989 Sierra Supreme. Information on these boat is tough to come by.
    Here is the PCM diag. The under dash info is the same as Correct Craft Ect. I'm located outside Buffalo, NY if you need to take a look.
    Attached Images Attached Images

  4. #4

    Default Re: wiring diagram 86 Ski Supreme Sierra

    http://www.planetnautique.com/Correc...re_Diagram.pdf

    This may help.

    What engines, props, preformance ect do you have?

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