Big 3 Upgrade
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Cadillac Seville / Cadillac Eldorado Forum Discussion, Big 3 Upgrade in Past Cadillac Vehicle Discussion; 1995 Cadillac Seville STS i need to know how to get to the alternator and where it is located to ...
  1. #1
    Djpac is offline Cadillac Owners Member
    Automobile(s): 1995 Seville STS
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    Big 3 Upgrade

    1995 Cadillac Seville STS
    i need to know how to get to the alternator and where it is located to do a big 3 upgrade. i searched for a little bit and came up with zero results. any links or information would be extremely appreciated!

    Thanks!

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  3. #2
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
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    Re: Big 3 Upgrade

    Just look over the passengers side fender and follow the serpentine belt. It's way down in there.

  4. #3
    Djpac is offline Cadillac Owners Member
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    Thread Starter

    Re: Big 3 Upgrade

    ok thanks man. figured it was all the way down there but wanted to double check before i waste time in this freezing weather.

  5. #4
    Cleaner1974 is offline Cadillac Owners Fanatic
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    Re: Big 3 Upgrade

    i changed the alt on an eldo last summer. not too much fun. have to take the passenger side wheel off to get to all the bolts. the rest are reachable from up top and from the bottom. you have to take off the two panels that are under the nose of the car.some people say you have to remove the radiator to get the alt out, but all i had to do was loosen up the fan and move it over a bit.

  6. #5
    YoungGun21 is offline Cadillac Owners Member
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    Re: Big 3 Upgrade

    I'm considering doing the same upgrade, however, how does one get the power cable from alternator to the battery underneath to the rear pass. seat. I've looked briefly but unable to find an access point at the firewall. I'd prefer not having to make a large drilled hole thru it. Any suggestions will be great for me and all others interested in this particular post. Thanx again

  7. #6
    johnny kannapo's Avatar
    johnny kannapo is offline Cadillac Owners Connoisseur
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    Re: Big 3 Upgrade

    I have never heard of "the big 3" upgrade. Enlighten me?

  8. #7
    Submariner409's Avatar
    Submariner409 is offline If it won't run, install a sound system
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    Re: Big 3 Upgrade

    A school of thought that says the battery cables and alternator positive cable are not large enough in gauge or high enough in quality to supply sufficient 12VDC to an aftermarket sound system.

    You and I could fool with carburetors, cams, and various engine tweaks for more power; these new vehicles resist that sort of work so the trend, in order to keep up with the "Look what I got" image, is to make it sonically louder. (See my mantra under my login name.)

  9. #8
    jcresciSTS is offline Cadillac Owners Enthusiast
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  10. #9
    johnny kannapo's Avatar
    johnny kannapo is offline Cadillac Owners Connoisseur
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    Re: Big 3 Upgrade

    I think I understand, upgrades that the outcome is not to be confused with drivability, or comfort enhancements. Modifications that enable reasons for celebration! A giant honking amplifier in the trunk that will turn the shifter & throttle cable into the main grounds. I get it now.

  11. #10
    jcresciSTS is offline Cadillac Owners Enthusiast
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    Re: Big 3 Upgrade

    Basically just keeping the voltage up when running a large stereo system in the car. Usually 1200rms is when you really need it...I'm running 500rms on my stock alt (well replaced back in Oct) and its steady at 14.0 most the time even with bass heavy music.

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