Sounds like you have a a vacuum leak somewhere, all those things run off of vacuum provided from the manifold.
Start checking the lines. And make sure you have a vacuum reservoir ball, should be behind the front bumper on the passenger side.
The trans switch changes the way it shifts. Just keep it on power.
About 5" Lift, RC Long Arms, HD Shackle Relocators, 33x12.50s on steelies, currently 5 different colors. lol
2.5" lift, OME Coils and shocks on front, HD leafs on rear with lift shackles, 245/75 on ICON cherokee wheels with rockers that are starting to rust.