excesss Posted May 2, 2009 Report Share Posted May 2, 2009 I wanted to see if any of you knew an easy fix for my problem. Forgive me if I say something stupid I'm still learning. I bought a 4l80 for my 92 chevy a few years back. The truck was carbuerated and I used a compushift stand alone ECU to program the tranny. When we put the 6.0 liter in my 04 silverado 2 weeks back we couldn't use my 4l80 because I'm guessing maybe its an old style tranny and it doesnt have a PRNDL like my stock 4L60. It doesnt even have mounting holes on the tranny for the PRNDL. Anyone know a way around this problem? Quote Link to comment Share on other sites More sharing options...
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