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Battries replacement for my day cab mp8 mack

Discussion in 'Mack Forum' started by atwal, Apr 11, 2014.

  1. Apr 11, 2014 #1
    atwal

    atwal Bobtail Member

    48
    6
    Jul 28, 2013
    Greater toronto area
    0
    My mack gave me problem yesterday and needed a jump start in the mid of my shift when the engine was warm. I need to keep my interior trailer lights or marker lights on when working .

    So my job I need to start the truck 20-30 times a day and keep the marker lights on on most of stops from 20-50 mins
    What are the best batteries for me to replace .
     
    atwal, Apr 11, 2014
    atwal, Apr 11, 2014
    #1
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  3. Apr 12, 2014 #2
    CondoCruiser

    CondoCruiser The Legend

    19,726
    18,731
    Apr 18, 2010
    Tennessee
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    Unless you want to buy all new batteries I would remove the cables and test each one. One bad battery in the mix will cause you problems. It will read significantly lower on the voltage than the rest.

    Why must your marker lights be on? If you are running good batteries down you should try to idle more for a better balance of charging and discharging your batteries. Sometimes it's warranted in your situation.
     
    CondoCruiser, Apr 12, 2014
    CondoCruiser, Apr 12, 2014
    #2
  4. Apr 12, 2014 #3
    damutt

    damutt Road Train Member

    1,126
    370
    May 6, 2013
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    not sure if this is even possible, BUT can you run 1 batt dedicated to your marker lights? i would ASSUME one batt should hold up for 30-50 min of light time. not sure on how long it would take to recharge tho
     
    damutt, Apr 12, 2014
    damutt, Apr 12, 2014
    #3
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