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Thread: alternator wire getting hot!

  1. #1
    4.8l Newbie
    Join Date
    May 2015

    alternator wire getting hot!

    Finally hooked up the alternator wire that goes to the battery, and it got real hot, started smoking, so I went one size wire bigger to a 12 guage, still getting hot!! 2001 5.3 87 r10, thanks.

  2. #2
    Administrator LSKenAdmin's Avatar
    Join Date
    Feb 2013
    Thats WAY too small! You need at bare minimum of a 4 gauge wire, preferably a 2 or 0 gauge. Think about the amount of current thats being delivered thru that wire, a 12 gauge wire cannot support 100+ amps!

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