69 Mustang Mach1 under the dash repairs - YouTube Click to view on Bing7:3069 Mustang Mach1 under the dash repairs Ray's Cars, Trains and Planes. Dash Pad & Door Panels 1969 Ford Mustang Restoration Part 68 Dashes Direct, Laurel Mountain Mustang - Duration: 9:18.Author: Ray's Cars, Trains and PlanesViews: 10K Wiring Harness 1969 Mustang Restoration Part 43 Mustang Click to view on Bing2:20Make your old wiring harness look like new again! The 1969 Mustang Main Wiring Harness gets a complete cosmetic make over with a re-wrap, and all new retaining clips for the whole loom.Author: MustangConnection1Views: 8K CJ Classics Mustang Underdash Wiring Harness USA Made Buy Your Mustang this brand-new direct-fit replacement CJ Classics USA Made Underdash Wiring Harness Without Tachometer 1969 from CJ Pony Parts, one of the industry leaders for Mustang Parts and Accessories. Order Today!Brand: CJ Classics 1969 mustang wiring diagram - Printable Version RE: 1969 mustang wiring diagram - CHRIS_b - 01-19-2011 hope this helps me I'm working on a 69 mach 1 just put a new wiring harness in from firewall out, when i turn the key to "on" position it tries to crank.one has been doing some "homemade" wiring on the car so who knows what I'll get into. any comments and/or suggestions would be a help.