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Thread: Trans,speedo and all that fun stuff.

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  1. #1
    Join Date
    Mar 2013
    Location
    Dewey ok
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    15
    Ok. Thank you Jeff. My harness is drive by wire. So my throttle body only has a plug. Is it possible that's the censor the random no teeth having hill billy was ranting on about?

  2. #2
    Join Date
    May 2007
    Location
    Oak Forest, Illinois
    Posts
    276
    Quote Originally Posted by Onelow_10 View Post
    Ok. Thank you Jeff. My harness is drive by wire. So my throttle body only has a plug. Is it possible that's the censor the random no teeth having hill billy was ranting on about?
    Oohh, You didn't mention you were using a DBW T/B. The cruise is handled by the TAC module. You will need to install the DBW pedal, Pedal to TAC module harness, TAC module, and wire in your cruise switch to the TAC module. You need to do some more reading and studying on this forum for your project.

    Jeff
    98 GMC RCSB 2wd, 100% internally stock 305, w/twin T-3 junkyard turbos,Ramjet intake w/42lb inj,12200411 PCM. 4675lbs w/me in it. Best time in 5 passes 13.01@110

  3. #3
    The above is true. Even if you don't want the cruise hooked up it will be impossible to run your old style cable operated turbo 350 with a drive by wire setup. I suggest you look into swapping in a cable actuated throttle body.
    You won't have to source a tac module or an electric gas pedal.
    The wires for the throttle position sensors and etc will have to be pulled from that one big plug you have and pinned to the seperate plugs/sensors on a cable driven throttle. I believe some computer reprogramming will also have to be done to swap but I'm not 100% sure.
    It may be easier for you to keep the drive by wire (dbw), find a newer 4l60e and buy a converter box to go from electric speedo to a mechanical one. Or aftermarket gauges

  4. #4
    Join Date
    Mar 2013
    Location
    Dewey ok
    Posts
    15
    Good info guys. Thanks. I already have the pedal,tac harness and box installed. So I guess the next step is to find the cruise wires and a lot more reading. Thanks every one.

  5. #5
    http://www.lt1swap.com/dbw.htm

    That link shows the dbw cruise hookup. It's basically an on/off switch and momentary switches
    Should be real simple to hook up to a pre existing turn signal/ cruise knob.

    How do you plan on using the tv cable from the trans?

  6. #6
    Join Date
    Mar 2013
    Location
    Dewey ok
    Posts
    15
    I'm thinking I'm just gonna remove the pan and remove the cable and drill and tap it for a plug and Then manually shift the trans when I need to pass or feel the need to get up and go

  7. #7
    Join Date
    May 2007
    Location
    Oak Forest, Illinois
    Posts
    276
    Quote Originally Posted by Onelow_10 View Post
    I'm thinking I'm just gonna remove the pan and remove the cable and drill and tap it for a plug and Then manually shift the trans when I need to pass or feel the need to get up and go
    You could possibly rig up a cable arm onto the DBW pedal for the trans kick down.

    Jeff
    Last edited by Lextech; 04-01-2013 at 10:37 PM.
    98 GMC RCSB 2wd, 100% internally stock 305, w/twin T-3 junkyard turbos,Ramjet intake w/42lb inj,12200411 PCM. 4675lbs w/me in it. Best time in 5 passes 13.01@110

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