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Showing results for tags 'c1 connection'.
Hi I know there's been lots of posts over the years about connections to the CDR23 , but reading through them I can't see an answer to my puzzle. My car is a 04 plate 2.7 with just the front speakers in the dash , so no door speakers and no rear speakers , no cd changer and no amp. It's not a Bose system. i have just added two rear speakers and taken the speaker wires to the ISO connector where the front speakers are also connected. This works. i found when the unit was out that there is a connection to the yellow c1 plug which according to the wiring diagra