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  1. ncnichol

    4l80 jumping back and forth 3/4

    So I have an 02 short box 1500 Chevy 2 wheel drive. It has a built 6 l in it with a fairly large blower cam. I recently upgraded to a 4L80E with a circle D 3200 stall converter. The plan was to put a Magnuson blower kit on it after the transmission upgrade which I did. Drove it for a month after...
  2. ncnichol

    gear shift position indicator problem

    so ive swaped a 2002 4.8 ls eng and 4l60e into a 98 chev p/u. im using all the 2002 eng trans pcm and harness and uhfb. 98 p/u had a 4l60e before. swap went great but i dont have a working gear selector indicator in the instrument cluster any more. does anyone know where this signal comes from...
  3. ncnichol

    gear shift position indicator problem

    so ive swaped a 2002 4.8 ls eng and 4l60e into a 98 chev p/u. im using all the 2002 eng trans pcm and harness and uhfb. 98 p/u had a 4l60e before. swap went great but i dont have a working gear selector indicator in the instrument cluster any more. does anyone know where this signal comes from...
  4. ncnichol

    ls swap water temp & fuel guage problem

    so ive swaped a 2002 4.8 out of a p/u into a 98 p/u. i used all the 2002 pcm, harness & uhfb. started the truck today & all went well except the temp & fuel gauges dont work {kinda figured} i was going to put the 98 water sending unit in the pass side head and be simple but it doesnt come close...
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