GM B-Body Forum, 77-79 Caprice/Impala Forum

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GM B-Body Forum, 77-79 Caprice/Impala Forum

Join Now If Your A 1977- 1979 Caprice or Impala owner or other GM B-Body owner!!!
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GM B-Body Forum, 77-79 Caprice/Impala Forum

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GM B-Body Forum, 77-79 Caprice/Impala Forum

A forum for the owners and enthusiasts of General Motors B-Bodies from 1977-1990, but dedicated to the owners of 1977-1979 Impalas and Caprices. Join up now!


2 posters

    Alternator interchangability

    383Falcon
    383Falcon
    383Falcon
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    • Post n°1

    Alternator interchangability Empty Alternator interchangability

    Post  383Falcon Wed Nov 12, 2014 1:57 pm

    Hi everyone, I was just curious if the 4 pin alternator out of a 93 caprice sedan would fit the mounting bracket for a 4 pin on a 1990 sedan? Thanks, I'm looking to switch out the connection types for the battery wire. As is, I had to cut off a portion of the stud in the back to get it to fit and I thnk that the close proximity to my valve covers killed the last one.. Thanks!
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    GM B-Body Forum
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    • Post n°2

    Alternator interchangability Empty Re: Alternator interchangability

    Post  GM B-Body Forum Thu Nov 13, 2014 7:16 pm

    Maybe and maybe not, the bolt hole locations are a tad different, but thats just from looking at pics. Looks like they are all 100 amps and above which is good if youve got some electronics.
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    383Falcon
    383Falcon
    383Falcon
    Active Member (Tier 2)
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    5th Year Anniversary
    Celebrating 5 years of being our member!


    Posts : 45
    Join date : 2014-06-25
    Location : Belliongham, Wa
    • Post n°3

    Alternator interchangability Empty Re: Alternator interchangability

    Post  383Falcon Fri Nov 14, 2014 2:26 pm

    Nice thanks! I found this cheap Chinese knock off 120amp that says it fits these various vehicles, the add is very explicit about fitmit gaurantee. Lol I just need a cheap 4pin until I change my mounting brackets and completely ex-out the old EGR and AC pullys. Also, from what I found, 90's box interchange with up to 93 B bodies. :]

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    • Post n°4

    Alternator interchangability Empty Re: Alternator interchangability

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