The tranny wiring harnesses are different for the 727 versus NP 833 so yes buy the one you need for the backup lights and if you want to use the clutch pedal safety starter circuit for your car buy the switch and wiring harness for the clutch pedal and install them at the same time up

Last edited by Cab_Burge; 11/10/18 01:18 AM.
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)