65 mustang wiring harness | eBay www›Search›65 mustang wiring harnessFind great deals on eBay for 65 mustang wiring harness. Shop with confidence. Skip to main content. eBay Logo: Painless Wiring Painless Mustang 65-66 Wiring Harness 22 Circuit (20120) See more like this. 1965 FORD MUSTANG ALTERNATOR WIRING HARNESS V8 WITH GAUGES # 65-22604 NEW. Brand New. $18. 1965 Mustang Parts - Mustang Wiring Harnesses wwwasmustang›Parts›Electrical & WiringMustang Wiring Harnesses - Electrical Wiring Harness - Dallas Mustang - Order Mustang Parts Online!, The Mustang was changed a bit in Aug 1965 and the Mustang Fastback was introduced. The 1965 Mustang GT was made available. There are more differences between early and late 65 Mustangs than ’66 Mustangs.