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th350 vacuum modulator question

Discussion in 'The Garage' started by jakeslim, Dec 3, 2003.

  1. jakeslim

    jakeslim 1/2 ton status

    Sep 18, 2002
    Likes Received:
    Napa, CA
    I have a 77k5. When looking up online to order a vacuum modulator, it list a black line, blue line and a purple line. The one I pulled has a red line. Does this very by year? What year is my trani then?

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