Voltage

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by FREDthaCEO, Mar 30, 2021.

  1. FREDthaCEO

    FREDthaCEO Bobtail Member

    16
    3
    Mar 6, 2021
    0
    Okay so recently When I was driving I noticed my voltage was dropping down to 12.8 sometimes even 11.8 but it would jump back up to 13.5-13.9 range and occasionally repeat that cycle so once I pulled over and idle it stayed at about 13.8-13.9 does anyone know what’s going on ??

    Okay so recently When I was driving I noticed my voltage was dropping down to 12.8 sometimes even 11.8 but it would jump back up to 13.5-13.9 range and occasionally repeat that cycle so once I pulled over and idle it stayed at about 13.8-13.9 does anyone know what I need to do ??
     
    Last edited by a moderator: Mar 30, 2021
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  3. Phil.rvc

    Phil.rvc Bobtail Member

    1
    0
    Feb 17, 2021
    0
    Check your alternator for proper function.
     
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