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Thread: 2007 STS will not start battery/starter/altenator good

  1. #1
    LifeisLike is offline Cadillac Owners Member
    Automobile(s): 2007 STS V4
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    2007 STS will not start battery/starter/altenator good

    Hello, my STS will not start often. I can get a jump and it starts. The jump appears to reset something, as the battery test good. Noticed it has happened when accessing trunk after stopping(and other times). Any suggestions?


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  3. #2
    curtc's Avatar
    curtc is offline Cadillac Owners Master
    Automobile(s): 2006 STS V8 1SF RWD
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    Re: 2007 STS will not start battery/starter/altenator good

    Will not start as in what? Won't crank at all? Just cranks and cranks without starting? Does it click? Need more info....Also, V8 or V6? May want to edit your profile description to include your vehicle....

  4. #3
    LifeisLike is offline Cadillac Owners Member
    Automobile(s): 2007 STS V4
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    Hello, thanks, it just clicks. Will not start. Need a jump to restart. Battery checks out fine. V6.

  5. #4
    curtc's Avatar
    curtc is offline Cadillac Owners Master
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    Re: 2007 STS will not start battery/starter/altenator good

    How old is the battery? And who exactly said it tested out good? I would start by checking that the battery terminals are tight and corrosion free.

  6. #5
    LifeisLike is offline Cadillac Owners Member
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    Thanks again. Terminals are clean, battery checked by advanced auto. I'll have it checked again.

  7. #6
    curtc's Avatar
    curtc is offline Cadillac Owners Master
    Automobile(s): 2006 STS V8 1SF RWD
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    Re: 2007 STS will not start battery/starter/altenator good

    Yeah, I am skeptical of their portable tester...I'm leaning towards a battery, especially if it is older than 5 years....

  8. #7
    KRSTS Guest

    Re: 2007 STS will not start battery/starter/altenator good

    The symptoms you describe all point to a bad battery. These cars are very fussy when it comes to the battery. I'll bet yours has a bad cell.

  9. #8
    orange57's Avatar
    orange57 is offline Cadillac Owners Enthusiast
    Automobile(s): 2005 STS Northstar RWD
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    Another vote for battery. Or possibly the solenoid on the starter, but I think battery is more likely.

  10. #9
    DarkMingBlueSTS's Avatar
    DarkMingBlueSTS is offline Cadillac Owners Fanatic
    Automobile(s): 2005 STS 6 CYL
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    When it doesn't start does it just click once or multiple clicks? One click = bad starter (just had mine replaced today), multiple clicks = bad battery

  11. #10
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    Re: 2007 STS will not start battery/starter/altenator good

    Lifeislike, Sound like when my battery went bad. Danny

  12. #11
    C&C's Avatar
    C&C is offline Cadillac Owners Connoisseur
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    Re: 2007 STS will not start battery/starter/altenator good

    Another vote for battery; if the problem occurs on first start-up (morning, or after a non use interval), but subsequently starts (multiple times) throughout the day are good, that says battery.

  13. #12
    ddgm is offline Cadillac Owners Fanatic
    Automobile(s): 2005 STS
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    Re: 2007 STS will not start battery/starter/altenator good

    I too vote bad battery. The fact that it will start with a boost, pretty well says it all.

    Doug

  14. #13
    Guy.Seminerio is offline Cadillac Owners Connoisseur
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    Re: 2007 STS will not start battery/starter/altenator good

    Anybody else? Battery? Going once, going twice? SOLD! get a new battery!

  15. #14
    carter's_sts is online now Cadillac Owners Connoisseur
    Automobile(s): 06 STS-V & 06 STS 4 (sold 2016)
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    Battery.

  16. #15
    Guy.Seminerio is offline Cadillac Owners Connoisseur
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    Re: 2007 STS will not start battery/starter/altenator good

    Ah what the hell.. Battery.

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