Something's draining my battery!
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Electrical Technical Information Discussion, Something's draining my battery! in Item Specific Cadillac Discussion; I've had my V only four days and the last two mornings the car wouldn't start. Yesterday (Sat) I called ...
  1. #1
    JJOC's Avatar
    JJOC is offline Cadillac Owners Member
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    Something's draining my battery!

    I've had my V only four days and the last two mornings the car wouldn't start. Yesterday (Sat) I called the Cadillac Service # and a guy came over withing 20 minutes to jump start me. He said I may have a bad switch on the the interior overhead lamp and that it might have stayed on. After he left, though, I noticed that I had left the cellphone charger plug in the back outlet, and I figured this was the more likely culprit. I drove the car about 100 miles and assumed I wouldn't have any more problems -- until this morning, same thing, no start. I called once again the Cadillac service guy and we agreed it was better for him to come over Monday morning to bring the car in to be checked.

    I'm stumped. It didn't happen the first two days and then it happens on consecutive days. Anyone have any ideas?

    Another thing, which I don't think is at all related. This car gives off a very strange odor inside the cabin, like some kind of gas from the engine compartment. When I asked the dealer about it, he said it was just some varnish burning off from the engine and that it would go away. I'm very suspicious because this is the first new car I've ever had that doesn't have that new car smell inside.

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  3. #2
    Cal
    Cal is offline Cadillac Owners Enthusiast
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    Re: Something's draining my battery!

    Mine did not have that smell. Still smells new somehow even after 4k miles.

  4. #3
    CVP33's Avatar
    CVP33 is offline Cadillac Owners Master
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    Re: Something's draining my battery!

    JJOC,

    Be sure to post what your dealer finds regarding the battery drain. I've never heard of something like that. Sounds like something is not cycling off as it should.

    BTW, my V has nearly 9,000 miles and STILL smells brand new. Even my wife and friends have commented on that.

  5. #4
    JJOC's Avatar
    JJOC is offline Cadillac Owners Member
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    Re: Something's draining my battery!

    Quote Originally Posted by CVP33
    JJOC,

    Be sure to post what your dealer finds regarding the battery drain. .
    OK, just got the car back from service. I thought the battery drain and the strange odor were not related, but they were actually very much related. The battery had an internal short and the battery itself was burning to create the awful smell. They measured the temperature of the battery at 170 degrees and, after replacing with a new battery, the battery temperature was a normal 87 degrees. Finally the interior smells like new!

    For a while I had a scare thinking I might have gotten a lemon, but it was just a dud battery. I'm happy now.

  6. #5
    StealthV's Avatar
    StealthV is offline Cadillac Owners Connoisseur
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    Re: Something's draining my battery!

    Sulfuric acid, ewwwwwwww. Bad smell is right. Glad to hear you are all fixed up!

  7. #6
    lbeck is offline Cadillac Owners Member
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    Re: Something's draining my battery!

    Can't help on a diagnostic, but I'll add another entry on your database of dead batteries. Just after I bought the car I spent an hour or so inside making all the DIC personalization adjustments and generally enjoying the vehicle. Went to start it the next morning to drive it to work and show it off. Dead battery. Bummer! I blamed myself, hooked up the trickle charger, took another vehicle, and it started fine when I got home.


    Then, after about 10,000 miles and not driving it for a few days, same deal - wouldn't start. I decided that the battery was bad or going bad, so I took it to Sears. I wasn't sure if it was covered in the warranty (it is) and it was a convenience factor. Sears put it on their machine and said the battery was fine - just discharged. They charged it for free [advertisement] and sent me on my way. I had them check out the charging system at the dealership and they said everything's okay

    I now carry a set of jumper cables in my car just in case, but my confidence should be higher for a (practically) new hi-end car.

    Still smells good though.

  8. #7
    Wienk is offline Cadillac Owners Member
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    Re: Something's draining my battery!

    Had my V for less than 2 weeks and one day the battery went dead. Jump started it, then charged it overnight, but next day same thing. Called the local Caddy dealer and they said bring it right in. When they checked it, they found a shorted cell, so they replaced the battery with a new one. Even though I had not bought the car at that dealership, they were courteous, efficient, and prompt. All no charge. That's the way service should be!

  9. #8
    JJOC's Avatar
    JJOC is offline Cadillac Owners Member
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    Re: Something's draining my battery!

    I don't know about the rest of you guys, but this is at least 3 people who have experienced dead batteries caused by an internal short. Since they replaced mine, everything has been perfect. Still, after reading about others who have had the same problem I did, I'm getting an uneasy feeling that something may be causing the battery to short out. But I'm not a techno guy, and maybe that's why I'm now a little worried.

  10. #9
    Cal
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    Re: Something's draining my battery!

    For reference I had my cel charger in all night (forgot about it) and had juice in the battery the next evening. It was in for about 20-22 hrs from the time I shut the thing off the previous night.

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