ford transmission wiring harness | eBay Find great deals on eBay for ford transmission wiring harness. Shop with confidence. Skip to main content. eBay Logo: 1987-1993 Mustang 5.0 GT AOD Auto T5 Transmission WIRE Wiring Harness FOR PARTS. Pre-Owned. $34. FAST 'N FREE. Was: 5R110W TRANSMISSION WIRING HARNESS 2003UP FORD EXCURSION See more like this. wiring a ford AOD tranny? | The H.A.M.B. Oct 03, 2005The AOD does not require any wiring to be hooked up. The wiring is for what was stated earlier (Nuetral switch, reverse light). What you do need is a kickdown bar going from your carb to the valve body (there is a small lever above the shift linkage) in order to open up the valve body. chevy uses vaccuum, Ford used mechanical.