I have recently put in a new starter in my 1994 4.0 Ranger because the old one died. I have used the new one for a couple of days, and now when I start it up it won't disengage. I tried putting in a different starter of the same model and it does the same thing. I have tested the S terminal on the fender and at the starter, it stops sending power like it should when the key is in the run position. I have also bech tested the starter and it is perfect. This is where I think it has something to do with the brand or fitment of the starter, it was fine for a couple of days then I think it shifted too close to the flywheel and now gets too much friction to where it won't pull back. I tried reproducing the placement but it didn't work. The only thing I can find is putting shims or trying to find a manual-specific starter which I do have a manual. Any help is appreciated.