Ford 4.6 & 5.4 Wiring-Ron Francis Wiring OTHER FORD WIRING 1993-1996 Ford 4.6 V-8 Modular Engine: This engine was introduced in 1993 in the Mark VIII. This is Ford Motor Company's new modular design engine which can utilize some of the same parts to create a lower horsepower engine used in other Ford models. 4.6 ford wiring harness | eBay Find great deals on eBay for 4.6 ford wiring harness. Shop with confidence. Skip to main content. eBay Logo: Aftermarket Branded (6) Not Specified (37) Warranty. see all. No Warranty (40) Unspecified Length (28) 03 Ford F-150 4.6 Engine Wiring Harness 5spd 4x2 See more like this.