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Thread: Drive By Wire Question

  1. #1

    Drive By Wire Question

    I am doing a 6.0L LQ9 Swap into a 98 K1500 Sierra. The engine has a FBW throttle body on it currently but the engine did not come with a pedal or TCM. Should I convert over to a Drive by cable or are there ways to still use the Fly By Wire set up?

  2. #2
    Join Date
    Mar 2016
    Location
    BC Canada
    Posts
    63
    Just get a dbw pedal and tac module, and the harness for them. You'll probably have to modify the pedal to clear your trans hump. I used an 05 pedal cause in 06 they went to an all plastic one and it's more difficult to reshape.
    1995 rcsb c1500, 4/6 drop, 5.3 L33, 5spd, 219/228 112LSA cam, LS6 springs, 799 heads, long tubes, magnaflow mufflers

  3. #3
    Will any pedal and tcm module work? Is there any special set up you have to do to get them to work together?

  4. #4
    Join Date
    Mar 2016
    Location
    BC Canada
    Posts
    63
    The pedal and tac module have to kinda match. Like you can't use an 05 pedal with am 06 tac (tried it, don't work!)
    1995 rcsb c1500, 4/6 drop, 5.3 L33, 5spd, 219/228 112LSA cam, LS6 springs, 799 heads, long tubes, magnaflow mufflers

  5. #5
    Join Date
    Sep 2007
    Location
    Beaufort, SC
    Posts
    241
    Several vendors sell easy plug and play kits for this with everything you need. Just make sure you order the right parts for your year.
    '04 Hemi QC - H/C/I/bolt-ons/tune - Sold

    '70 C10 SWB Stepside - LQ4/4L65E

  6. #6
    Join Date
    Mar 2016
    Location
    BC Canada
    Posts
    63
    Also if you decide to go away from the dbw you will have to add a few pins in your pcm connectors.
    1995 rcsb c1500, 4/6 drop, 5.3 L33, 5spd, 219/228 112LSA cam, LS6 springs, 799 heads, long tubes, magnaflow mufflers

  7. #7
    Quote Originally Posted by brianmcb View Post
    Also if you decide to go away from the dbw you will have to add a few pins in your pcm connectors.
    For the TPS and IAC?

  8. #8
    Join Date
    Mar 2016
    Location
    BC Canada
    Posts
    63
    That's right
    1995 rcsb c1500, 4/6 drop, 5.3 L33, 5spd, 219/228 112LSA cam, LS6 springs, 799 heads, long tubes, magnaflow mufflers

  9. #9
    Quote Originally Posted by brianmcb View Post
    That's right
    Yeah, I figured. I'm having current performance produce my wiring harness so they know that I am going to drive by cable. Hopefully it all works out.

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