2002 escalade
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Cadillac Escalade, EXT and ESV Forum - 1999 - 2006 Discussion, 2002 escalade in Cadillac Escalade Forums; I've changed the alternator and battery but my battery is still keeps dying what could be the problem...
  1. #1
    Mr Venom is offline Cadillac Owners Member
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    2002 escalade

    I've changed the alternator and battery but my battery is still keeps dying what could be the problem

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  3. #2
    the cadillac man's Avatar
    the cadillac man is offline Cadillac Owners Master
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    Any thing not working like it should?
    When the module for the rear hvac unit went nuts it would not shut off which drained my battery overnight

    I would try removing fuses for non essential stuff(eg rear hvac) and see what is causing the power draw

  4. #3
    axe
    axe is offline Cadillac Owners Member
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    Re: 2002 escalade

    With the engine running does your voltage gauge stay around 14,5v? I was fighting a battery drain myself just a couple of weeks ago and in my case it was a poor connection on the + terminal at the battery, lots of crap had built up.

  5. #4
    the cadillac man's Avatar
    the cadillac man is offline Cadillac Owners Master
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    Quote Originally Posted by axe
    With the engine running does your voltage gauge stay around 14,5v? I was fighting a battery drain myself just a couple of weeks ago and in my case it was a poor connection on the + terminal at the battery, lots of crap had built up.
    I ran into this issue with my truck when I first got it after I cleaned the terminals and cables the issue went away

  6. #5
    Mr Venom is offline Cadillac Owners Member
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    I tighten the negative post terminal and it's still being drained

  7. #6
    wesyder's Avatar
    wesyder is online now Cadillac Owners Enthusiast
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    Quote Originally Posted by Mr Venom
    I tighten the negative post terminal and it's still being drained
    you are going to need to research parasitic draw and how to test for it (youtube).... Battery drain, what you have, and battery not charging efficiently such as loose terminals and corrosion are 2 different situations... Good luck

  8. #7
    Mr Venom is offline Cadillac Owners Member
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    Just wanted to thank you guys for your help right now dropped it Off at the Cadillac dealer I will pass on the results later

  9. #8
    the cadillac man's Avatar
    the cadillac man is offline Cadillac Owners Master
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    Keep us posted on the outcome

  10. #9
    Mr Venom is offline Cadillac Owners Member
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    Just wanted you guys to know it was the ignition switch

  11. #10
    jnrsesv is offline Cadillac Owners Enthusiast
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    Re: 2002 escalade

    Thanks for the follow up, it may help someone down the road.

  12. #11
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    comonroots is offline Cadillac Owners Fanatic
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    Thanks for the follow up. It's amazing how many people don't follow up, and leave everyone else hanging.

  13. #12
    the cadillac man's Avatar
    the cadillac man is offline Cadillac Owners Master
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    Quote Originally Posted by comonroots
    Thanks for the follow up. It's amazing how many people don't follow up, and leave everyone else hanging.
    I agree its good to hear the outcome of people's threads as it helps others in the future

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