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Thread: Parasitic battery draw, checked all fuses & alternator

  1. #1
    Join Date
    Aug 2009
    Location
    Kentucky
    Posts
    120

    Parasitic battery draw, checked all fuses & alternator

    I have a 1997 Lincoln Mark VIII that has a constant battery draw of ~ 0.2 Amps. I have removed all fuses one-by-one and the draw never changed. I also disconnected the alternator with no change. What should I try next?

  2. #2
    Join Date
    Apr 2002
    Location
    Home of the Whopper
    Posts
    3,432
    Check the glove box light. That was the source of a drain on my SC a long time ago.

  3. #3
    Join Date
    Dec 2010
    Location
    Zephyrhills F.L.
    Posts
    174
    Glove box light was the culprit on two of my cars another was the center console storage light staying on.

  4. #4
    Join Date
    Dec 2007
    Location
    PNW
    Posts
    6,589
    Mine turned out to be the map lights on the mirror were on full time. Hard to see during the day when doors closed unless you make an effort to check - not sure how they work on your Lincoln, but my '90 SC has a small rocker switch for each one, and the lights shine downwards.

    Does your Lincoln have an aftermarket alarm or stereo?

    How are you checking draw? Inline DCA meter with the battery positive, or negative?

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