Battery is Dead
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Cadillac STS-V Series Forum Discussion, Battery is Dead in Cadillac V-Series Forums; Haven't used my V for 2 months, the 7 feet of snow here in MA is not helping, battery is ...
  1. #1
    choigilligan is offline Cadillac Owners Fanatic
    Automobile(s): STS-V
    Join Date
    Aug 2010
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    145

    Battery is Dead

    Haven't used my V for 2 months, the 7 feet of snow here in MA is not helping, battery is dead.

    Question, can I just jump the battery and run it for a while, then hook it up to a trickle charger.

    If so, anybody have one they recommend. If I need a new battery, should I go OEM, or does it make sense to upgrade.

    I know I should have had it on a trickle charger in the first place......

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  3. #2
    jedhead is offline Cadillac Owners Enthusiast
    Automobile(s): STS-V
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    Aug 2009
    Location
    Orange County, California
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    56
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    Re: Battery is Dead

    I would jump the battery and hook up a trickle charger. I replaced my OEM with a Optima Red Top. It cost only $15 dollars more than stock and IMHO a better battery. One downside is that the post don't match up on the battery cover holes.

    Bob

  4. #3
    PwdrCtr is offline Cadillac Owners Member
    Automobile(s): 06 STS V
    Join Date
    Oct 2010
    Location
    Plainfield, IL
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    55
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    61

    Re: Battery is Dead

    I don't drive mine in the winter. and for the first time, a month or two ago, I noticed my battery was dead every couple weeks. Since it's an '06 with the original and 24k miles, I figured I would just replace it. I got the Optima red top #78 and it fit fine. You need the #78, just 78, no dash anything (ex 78-xx). The posts line up perfectly. I think it's a hair taller so the cover is a little tricky to put back on, but it does fit. It holds a charge just fine now, no matter how long I leave it between "starts". I got mine at Advance when they had an online coupon.

    BTW, There is another "Battery" thread that spells all this out. I recommend searching for it. It has pictures and everything. Good Luck!

    Dave

  5. #4
    PGA2B's Avatar
    PGA2B is offline Cadillac Owners Connoisseur
    Automobile(s): Black Raven STS V
    Join Date
    Jun 2009
    Location
    Surprise, AZ
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    Re: Battery is Dead

    There is a computer flash that will take care of it. Check with your dealership to make sure you have the latest Operating System and updates on your ECM and TCM.

  6. #5
    choigilligan is offline Cadillac Owners Fanatic
    Automobile(s): STS-V
    Join Date
    Aug 2010
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    145
    Thread Starter

    Re: Battery is Dead

    Quote Originally Posted by PGA2B View Post
    There is a computer flash that will take care of it. Check with your dealership to make sure you have the latest Operating System and updates on your ECM and TCM.
    What do you mean, take care of the dead battery? Will I have to reflash my whole system after I jump my car?

  7. #6
    Cataract is offline Cadillac Owners Fanatic
    Automobile(s): 2007 STS-V Black on Black
    Join Date
    Jan 2010
    Location
    Chicago, IL
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    226

    Re: Battery is Dead

    Quote Originally Posted by PGA2B View Post
    There is a computer flash that will take care of it. Check with your dealership to make sure you have the latest Operating System and updates on your ECM and TCM.
    It will help keep the battery from dying? Interesting..

  8. #7
    choigilligan is offline Cadillac Owners Fanatic
    Automobile(s): STS-V
    Join Date
    Aug 2010
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    145
    Thread Starter

    Re: Battery is Dead

    Just an update in case this happens to anybody else, I went and bought an automatic trickle charger from AutoZone, hooked it up (it took about 2 days to charge) and it started right up.

    Probably the best 23 bucks I spent, especially for people who don't drive their cars for weeks at a time.

  9. #8
    CMNTMXR57 is offline Cadillac Owners Enthusiast
    Automobile(s): 2006 STS-V, 2004 Pontiac GTO, 1999 Chevrolet Suburban LT 4x4
    Join Date
    Feb 2009
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    In a GM Service Dept
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    940

    Re: Battery is Dead

    Make sure that trickle charger has some form of a "smart charge" mechanism or other system that allows it to "float" the charge. A constant 2v charge 24/7 is just as damaging to a battery as continually draining it. I use two Black and Decker SmartChargers. One on the GTO, and another that I cycle between a couple of spare batteries for other vehicles I have. These chargers use that smart system to only run the trickle charge when it senses a decrease in battery voltage, and then shuts off once it tops it off. It repeats this cycle as needed.

  10. #9
    silverws6ta's Avatar
    silverws6ta is offline Cadillac Owners Fanatic
    Automobile(s): '06 STS-V; '10 STS 1SG; '08 Escalade, '08 Escalade EXT
    Join Date
    Jul 2008
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    Spartanburg, SC
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    Re: Battery is Dead

    See my last two replies in the below thread -- this will answer many of questions for everyone

    http://www.cadillacforums.com/forums...2-battery.html

    Thanks
    Cale

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