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Thread: wire on right side of turbo 350??

  1. #1

    wire on right side of turbo 350??

    Hi
    I just pulled the motor and trans from 1971 Buick (350 motor and 350 trans) and I noticed it has a red wire on the right side, what is that wire for? thanks for any info Mike ps its not a turbo 400,it has a kick down cable, the 350 style pan and modulator pointing to rear.
    1939 Buick
    1953 Buick Super
    1957 Buick wagon
    1955 Buick Road master
    1968 Buick Skylark Convertible
    1935 Dodge Coupe
    1971 Ford Mustang
    1957 Ford PU
    1963 Pontiac Bonneville

  2. #2
    his is the kickdown cable. it controls the downshifting when you floor the gas... The vacuum line senses the amount of load the engine is under which helps control upshifts, and the governer controls the MAX rpm of upshifts.
    Sean G
    70 Skylark-Twin turbo 350 powered
    75 Regal-350
    76 Century-350
    78 Skyhawk-V6
    and 18 spare Buick 350s in the barn.

  3. #3
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    Can you post a picture of the wire? And where does it connect? I have not seen any TH 350's from early years with a wire, I don't think.
    86 GN, all factory options, engine build in progress
    72 Skylark Convertible, 462, TH 400
    72 GSX Clone 464, TH400, 3:42. 10.71 @126mph best

    We build GM carburetors and specialize in custom built Quadrajets

    www.quadrajetpower.com
    mark@quadrajetpower.com

  4. #4
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    On the 300, the wire is yellow and on the left side of the trans = it goes to the kick down switch on the accelarator.

    being red, I'm thinking tach, or maybe cruise control or electronic speedometer. dunno if the 71 was a cable driven speedo

  5. #5
    Join Date
    Jun 2009
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    Waring, Tx
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    71 TH 350 has a speedo cable driven. No electrical connections. Manual detent cable on right side, and filler.

    Did someone add a temp gauge or something to this trans?
    86 GN, all factory options, engine build in progress
    72 Skylark Convertible, 462, TH 400
    72 GSX Clone 464, TH400, 3:42. 10.71 @126mph best

    We build GM carburetors and specialize in custom built Quadrajets

    www.quadrajetpower.com
    mark@quadrajetpower.com

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