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Thread: 90 sierra rcsb ls swap

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  1. #1
    http://www.lt1swap.com

    This website has tons of wiring info on it. It has all the pcm pinouts for all the years. And dont forget that the pcm shows ground for the SES light, not 12v.
    1971 c10- 6.0, 80e, 3500 stall, 228 230, schoenfeld LTs, Nelson tuned, 4.10 trutrac

  2. #2
    Join Date
    Dec 2004
    Location
    San Antonio, TX Area
    Posts
    1,741
    Forgot to mention nice looking engine and trans you got. Where did you buy it, local to you?
    "ALisSa1 Silverado"
    1990 Chevrolet RCSB 2002 Chevrolet Camaro LS1/4L60E
    Scrimpin Ain't Easy
    ( . Y . )


  3. #3
    Join Date
    Jan 2013
    Posts
    21
    Quote Originally Posted by Chevy-Art View Post
    Forgot to mention nice looking engine and trans you got. Where did you buy it, local to you?
    It wasn't local, it was at the salvage yard, just had to drive about 35 miles to get it, which isn't far. I figured since you lived in san antonio there was tons of salvage yards in your area.

    I was planning on getting a motor from ebay, then started adding in shipping and decided it would be cheaper to look at a salvage yard.

  4. #4
    Join Date
    Jan 2013
    Posts
    21
    Quote Originally Posted by Silverado889 View Post
    http://www.lt1swap.com

    This website has tons of wiring info on it. It has all the pcm pinouts for all the years. And dont forget that the pcm shows ground for the SES light, not 12v.
    Thanks, that's where i've been getting all my wiring info for my stand alone harness.

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