Honda525

Motor is in the car it starts/ runs and but it won't downshift due to my tps isn't installed correct... need help wiring in a q45tps and adjusting it correctly. Also my shifter isn't reading right it says I'm in reverse when in park, nutrual when I'm in reverse ect all the way down the line???? Motor after running it for a lil bit will start to just keep reving to the moon without me touching the throttle. The swap has a single turbo and greddy knockoff intake and has an auto trans.