Mattmilw Posted September 1, 2010 Report Share Posted September 1, 2010 I'm replacing the factory HU and I'm not sure about the wiring harness I'll need. Currently, I have the non-NAV, 6 CD - MP3, no Sub HU. I'm replacing it with a Pioneer AVH-P4200DVD. I am not interested in retaining SYNC (Not a big fan, rarely use it). The Crutchfield rep I spoke with said his notes indicate I'll need a Pac C2R-FRD1 interface. Since I don't wish to retain SYNC, I'm questioning whether this is needed. I'm hoping a basic Metra 70-5520 harness will do. Will it? Thanks in advance. Quote Link to comment Share on other sites More sharing options...
wkevingossett Posted September 1, 2010 Report Share Posted September 1, 2010 I installed a 4100 last year in my '08 without SYNC, and just used a basic Metra harness. I don't know if the wiring would be different because of SYNC, but I would get the basic one first and try it out. If it doesn't work, go with the other. Check out my install thread here Quote Link to comment Share on other sites More sharing options...
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