Cummins Marine Diesel Repower Specialists › Forums › Cummins Marine Engines › Best spot for battery ground wire

  • This topic has 2 replies, 2 voices, and was last updated 4 years ago by Will.
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  • May 15, 2020 at 3:15 am #97659

    Will
    Participant

    Wondering where the best spot for battery ground wire on QSB 6.7. Also what size wire is recommended for ground and positive side. I have a 31 series for my start battery. Positive run less that 3′ negative length will be determined where I ground to engine.

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  • May 17, 2020 at 4:05 am #97725

    Will
    Participant

    New boat new motor. 2/0 wire heavy enough ? Thanks…

    May 16, 2020 at 4:50 pm #97711

    Tony Athens
    Moderator
    Vessel Name: Local Banks
    Engines: QSB 6.7 550 HP
    Location: Oxnard, CA
    Country: USA

    The starter motor for both POS & NEG……………..2/0.

    Was this a new engine purchase for a specific marine installation or ?

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