Quote:
Originally Posted by Crowz
That's also why you need the loom going to the rear on the nav cars. The signal that feeds the amp on nav cars comes out of the bm54 and goes to the amp so there are no speaker wires (source wires) going to the front of the car.
When you have a non nav aka business cd it has a set of wires going from the amp to the front of the car already because the radio is the in dash not in the back like it is on a nav equipped car.
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Yeah, I get that (I do this sort of thing for a living!) but I still can't believe that the factory setup (in some cases) has two power amps in series.. no wonder it sounds like crap!
