Had a few like this. First thought is the starter, even though it’s newer it’s still likely to have a bad solenoid. Before pulling the starter out though you need to check voltage on your excite wire. Check it on the stud!! When you do this your checking continuity between the eyelit on the wire...
Wanted to get anyone’s advice on here. Friend brought his truck to me slipping in 3rd so pulled the trans not thinking about anything and it’s a late 97+ 4l80. Had it rebuild and I think they put the correct (for the trans) pcs in. But how and can you make the late 4l80 work with a 93? It has...