13 speed shift knob

Discussion in 'Peterbilt Forum' started by 74pete359, Jan 23, 2014.

  1. 74pete359

    74pete359 Bobtail Member

    15
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    Jan 22, 2014
    0
    I have a 74 359st im tryin to put a new style shifter knob on i need to know which ports to use if someone can help
     
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  3. wore out

    wore out Numbered Classic

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    Jun 5, 2013
    CHASIN THE DEVIL'S HERD
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    To use the new style knob with the red thumb button you have to have an aluminum slave on the side of the trans. Yours may have already been switched over but may not. The originals were cast its pretty easy to tell the difference.
     
  4. 74pete359

    74pete359 Bobtail Member

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    Jan 22, 2014
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    wore out do you know which ports to use
     
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