I have a oem microphone and new upper left trim for my Jeep. I cannot figure out how many pieces the harness is from the microphone to the radio. On the parts diagram it is not clear. Any help greatly appreciated.

Depends
On high end nav microphone goes to 10 pin on radio
On all other separate uconnect module with 22 pin that includes wires to microphone


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Yeah, it is very hard to figure out. When I needed to replace my microphone, I wanted to have a spare harness on hand, just in case that was the problem instead. So, I worked with a couple of different online suppliers to try and get the correct harness, and ended up with three completely different harnesses with three different part numbers. As it turned out replacing the mic only fixed my problem, so I still have all three. If you are interested, PM me and we can probably work something out. I can post part numbers when I get home from Georgia this weekend.