35th Anniv What Harness?

Discussion in 'Special Production' started by briggs1859, Jan 22, 2010.

  1. ive searched through loads of forums and still can't find which wiring harness is the right one. my car has the MACH premium sound system and ive been told three differnet harnesses will work. the metra 70-5511, 5521, and the 5510. all three are differnet and can't all work so which one is it? please help.