1995 12 Valve Cummins

It’s been a great truck I’ve put a lot of money into it. The bad thing is the PCM finally took a crap and I tried the BD APPS wire and it makes it so you shift fine but it won’t go into overdrive. So it needs a new PCM or you can put a manual transmission into it and that would fix the problem.
Front end was just done, automatic transmission rebuilt with about 6,000 miles on it, front and rear main seals replaced, injectors have about 25k on them, interior is in good condition. Truck has 328k miles on it.
Open to offers would like to trade for a smaller 4wd pickup but I am open to cash offers as well would like 8k obo.