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Thread: Alternator: U.S. vs CA

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    Alternator: U.S. vs CA

    I need a new alternator and I was looking at AutoZones website and they list a U.S. one at 90 amps and a Canadian one at 110 amps. What's the deal with that? I would think they would all be the same. I have a sub and at night with the lights on and the music going while sitting at a light, you can see the Battery gauge needle dipping with the music and the gauge lights dimming. So.....I was thinking if they mounted up the same and it wouldn't hurt anything, I would splurge the extra 10 bucks for the Canadian model. Would this work or cause any problems? Here's the link http://www.autozone.com/autozone/par.../N-itgclZ9ci9i

    It is a 1991 Dodge Stealth SOHC

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    I remember a thread from a long time ago on the other site. A DOHC alt is 110 amp, while a SOHC is 90 amp. The thing is it was learned that a DOHC alt can bolt right up to a SOHC.

    That being said, its still not going to stop the voltage drops and subsequent gauge dimming from the sub and amp.

    [06-05, 19:29] OhioSpyderman: Brian, finding a woman is NOT the answer, you need to shop for a good VACUUM

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    Monogamous Gigolo verified Feedback Score 8 (100%) 2fnloud's Avatar
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    Have you upgraded the car's grounds..this can make a HUGE difference in aftermarket car stereos.

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    Thanks for the input guys. I'll save the extra bucks and just get the regular alternator. 2fnloud: No i haven't upgraded the grounds. The dimming gauge lights and all that isn't really a huge deal to me. I just figured since the alternator is going out anyways, if the Canada model would make a difference then I would go that route.

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    I would start by upgrading all your grounds with the same gauge wire that you have running back to power your amplifier(s).

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    Well it's not going to hurt going with the larger one for sure. I do agree to check the grounds. My lights dim a bit with just a turn signal and I'm sure adding a couple more grounds (I think I only have a couple iirc) would help a ton.

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    Quote Originally Posted by steve68 View Post
    Grounding kits are just another scam , they don't work.

    Steve
    You Sir know nothing about car audio, because in car audio a updated ground system makes a HUGE difference.

    Did you even read why the OP was wanting a larger alternator?

    If this wasn't car audio related I would agree with you. Because unlike those kits you are referencing, a ground upgrade in car audio is taking at least the same GA wire as what was run back to the amp(s) and adding these connections:

    1: From battery to chassis
    2: From battery to engine block
    3: From engine block to chassis

    It is what car audio installers call " the big three". I suggest you read up on it if you are unfamiliar with it before you argue with me about it.

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    Quote Originally Posted by steve68 View Post
    Grounding kits are just another scam , they don't work.

    Steve
    Ground kits have been proven to help in certain applications. The only thing you have proven is that you are an idiot who seems to have no real knowledge whatsoever.

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    Honda Eater Feedback Score 0 Mike-92RT's Avatar
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    Canada FTW!!

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    The alternator needs to be replaced regardless of the audio stuff. I was just thinking if it made a difference that I would go ahead and get the higher amps. I just wasn't sure if it would bolt right up and not damage anything.

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