Batteries

Discussion in 'Peterbilt Forum' started by Bernard D, Aug 30, 2020.

  1. Bernard D

    Bernard D Heavy Haul Member

    104
    27
    Jun 27, 2020
    0
    03 pete. 379 C15 10 speed old werner truck.
    Turn all power off on truck when parked a few days and batterirs are almost dead wont turn over .
    Bit if i hook my ford up ti it it starts right off the bat.
    Any ideas would be appretiated.
     
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  3. Judge

    Judge Road Train Member

    13,550
    90,050
    Mar 19, 2014
    Arkansas
    0
    Could be a weak battery pulling them down.
    How old are the batteries?

    I doubt it’s a diode on alternator, usually it won’t take 3 days.
     
    Bean Jr. Thanks this.
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