1. Question 2011 Jeep Liberty

    When I leave my Liberty setting at night the battery drains over night. new battery, alternator checks good and as long as i'm driving it starts every time. next morning battery is completely dead. had 2 different shops check it. checked all fuses. removed radio and heated seat fuse.any suggestions? thanks

    Geraldine

  2. #2
    Join Date
    Dec 1999
    Location
    Virginia Beach VA
    Posts
    8,023

    Re: 2011 Jeep Liberty

    Anything electrical that's aftermarket? If you get desperate, you could take a photo of the fuse block (this might make replacing them easier), and perhaps try pulling all the fuses and see if it still happens.
    My 2005 Wrangler Build Thread

    He who is without oil shall throw the first rod. -Compressions 8.7:1

  3. #3
    Join Date
    Feb 2009
    Location
    Dayton Ohio Area
    Posts
    5,306

    2011 Jeep Liberty

    Add pic of battery as connected.
    Is it a union battery?

    Checking for battery draw.
    1.) disconnect negative cable from battery terminal.
    2.) get a digital multi meter (DMM) that cam measure current greater than an amp. At least 10 A. Set the DMM to read current.
    3.) Place a DMM (digital multi meter) from cable to terminal on the negative you disconnected in step 1.
    4.) note the current reading. It should be below 50mA. Start pulling fuses one by one. After each fuse look for the current to drop dramatically. If it does not. Put the fuse back in. Go to the next fuse.

    Find the fuse causing the draw and you found the area to look.
    If not look back at battery main wiring and alternator.

    Radios draw current for memory and lights when powered off. So seeing 20mA drop is normal.

    Do you have anything hard wired to the battery or posts on the fuse box input power?


    Regards,
    JPNinPA

    Never look down on anybody unless you're helping them up. -Jesse Jackson
    Last edited by JPNinPA; 05-15-2020 at 06:47 PM.
    "Never look down on anybody unless you're helping him up" - Jesse Jackson

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