Hemi Wiring for the Accelerator Pedal

In park can you make it rev. If so your computer has put it in limp mode that happened to me. You have to clear the fault. I know the box style will work but you can buy a drive by wire pedal I don't have the part number anymore but give Dave weber a call at modern muscle in Virginia or call hotwire. But it sounds like you're transmission is in limp mode. Which could be caused if it was started up without seeing the trans. Or another sensor. Make sure the output speed sensor is not broken off. Make sure that the brake switch is hooked up not factory but the the hemi