Sterek
Newbie
Hello I have a 1994 K2500 Cheyenne with a 4l80e. The truck has had a rebuilt transmission put in and the 3rd and 4th shift is super funky. Funky as in it can’t find it’s correct gear. Once at about 35mph speedometer starts to jump around then the tranny will shift back and fourth from 3rd to 4th. They tranny shop had replaced the 3/4 clutch and went through the whole tranny. Shop put it in for me and truck still not shifting correctly. The internal harness had been replaced. One thing I noticed there is a plug in place for the output sensor B. I replaced the harness from the transfer case as it had exposed wires. Any ideas as what the problem could be?
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