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  1. #1
    Registered NYCDV8's Avatar
    Join Date
    Mar 2003

    Have you ever heard of a bad battery switch

    I have twin engines one of them is laboring to turn over. I have changed the starter, the battery, the solenoid. I get voltage drop between the starter and the battery. Do you think it is a switch or battery cable? Help

  2. #2
    Charter Member #232 Charter Member Audiofn's Avatar
    My Boats:
    1979 Formula 302, 99 Formula 353, 81 Donzi 18 2+3 with 454
    Join Date
    Oct 2000
    Carlisle, MA USA

    Re: Have you ever heard of a bad battery switch

    My money would be on the cable. Ussually if the switch is bad it just won't work. Could be your possitive OR negative cable. Take a look at the very ends of the cables. You may see some green at the ends. If you have to cut back the shrink wrap on the end of the cable and take a look because you can not tell then do so. You will probably see a end with a whole lot of corrosion.

    Put your best foot forward!

  3. #3
    OSO Content Provider Commercial Member SHARKEY-IMAGES's Avatar
    Join Date
    Jun 2001

    Re: Have you ever heard of a bad battery switch

    Yes, it can be the switch. A friend recently went through the same thing on an outboard boat. ....Turned out to be his Battery Switch. The contacts inside it were worn.

    Digital Photography & Video one BYTE at a time !

  4. #4
    Registered bobonthis's Avatar
    My Boats:!/matt.conroy.90
    Join Date
    Jun 2005

    Re: Have you ever heard of a bad battery switch

    It can be the switch I have seen a few go bad...Do you have an iso box on there also?

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