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Thread: Need TCC lockup on a 97 1500 with 5.3 swap

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  1. #1

    Need TCC lockup on a 97 1500 with 5.3 swap

    need a little help as to how you guys hooked up the TCC wire off of the LS harness to the truck..
    97 xcab c1500 lm7 5.3 swap 343RWHP 329RWTQ 13.40 @ 101.97 2.03 60ft. MODS: Longtubes, 3200 stall, TR220 112lsa, .030 799 heads, NNBS intake, PTM 92mm TB. 4" PVC "hot" air intake 3" single exhaust w/cutout 3.42:1 gears, 29" tall tires. Dyno tuned by flaco

  2. #2
    Join Date
    May 2009
    Posts
    428
    Subscribed, I am at this point in my swap as well.....For some reason when It comes to the transmission I always have trouble...

  3. #3
    Join Date
    May 2009
    Posts
    428
    Alright well I got my TCC working the other day!!! On my 04' Colorado, the brake switch has two connectors. The connector I used has a pink ignition 12v hot coming into it, and then a purple wire which used to go to the BCM. Well I removed the purple wire and wired in my TCC wire from the LS1 harness and VOILA I have TCC now. I know yours will probably be different, but I figured I would update anyways....

    BUMP!!!!!!!!!

  4. #4
    Quote Originally Posted by TRPLXL2 View Post
    Alright well I got my TCC working the other day!!! On my 04' Colorado, the brake switch has two connectors. The connector I used has a pink ignition 12v hot coming into it, and then a purple wire which used to go to the BCM. Well I removed the purple wire and wired in my TCC wire from the LS1 harness and VOILA I have TCC now. I know yours will probably be different, but I figured I would update anyways....

    BUMP!!!!!!!!!
    i did the exact same thing, poked on the brake switch wires till i found one that had 12volts with the pedal unpressed and 0volts with the pedal held down!
    97 xcab c1500 lm7 5.3 swap 343RWHP 329RWTQ 13.40 @ 101.97 2.03 60ft. MODS: Longtubes, 3200 stall, TR220 112lsa, .030 799 heads, NNBS intake, PTM 92mm TB. 4" PVC "hot" air intake 3" single exhaust w/cutout 3.42:1 gears, 29" tall tires. Dyno tuned by flaco

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