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Help with 2003 Nav/MOST wiring diagram

 
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Old 07-07-2019, 07:58 AM
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Help with 2003 Nav/MOST wiring diagram

Trying to update my sound system to something more modern than the old thing on my 2003 996TT. Factory Nav double din radio with MOST system. I have a head unit and a MOST adapter. The company that I bought the head unit from sent an adapter wiring kit but the wiring isn't even close. Can someone send or post a wiring diagram for me?

 
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Old 07-09-2019, 06:07 AM
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If by MOST adapter you mean the box that plugs into the factory fiber optic then you connect RCA left and right, they dont work on 2003 cars. Tried two of them, nada. You need to replace the amp, rewire the subs and add new front speakers to replace the bose so you can wire them off the head unit. Theres a really good threat on rennlist on how to do it. But doing a head unit with the most adapter wont work, dont even start with it. Been there, done that.
 
 
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