Originally Posted by
Southernscrew
Hi, Bought this unit and can't find the wiring harness , Which one or where did you all get yours?
Thanks, Ken
Mine already had the wiring harness. from a cheap JVC when I bought the car. However per
this post You'd need Metra Harness 70-1786 Mine had the VW & Audi one so I swapped the Hot and Ignition wires.
Originally Posted by
dedwards0323
Sounds like you bought the Metra Harness 70-1786 (RCA plugs). You won't need to swap the Red & Yellow wires. That only happens if you bought Metra Harness 70-1784 (w/o RCA plugs). The 1784 harness is for VW & Audi applications, but can be used on M-B & Crossfire applications if the Red & Yellow wires are swapped. The 1786 harness is an update and it is no longer required to swap the wire colors on M-B & Crossfire applications.
You probably ought to review the attached DIY from Forum Member GregWork. His DIY write-up was one of the most straight-forward I came across regarding hooking up an after-market stereo to the Crossfire. (Note: Not sure what differences exist between the Infinity unit with or without NAV.) The Scosche VW01B wiring harness is identical to the Metra 70-1784 - both have no RCA connectors. Per pizzaguy, these wire harnesses enable you to direct-wire the speakers in the Crossfire.