Pulled OEM stereo out of my '01 cc. In addition to the main plug on the back there's an unused port between it and the antennae plug. Anyone know what this is for?
It's probably for the tape deck. I have the factory tape deck in the console. When I installed my Sirius in my '00 there was a plug in the port. When I unplugged that harness from the radio it still worked so I assume it was for the tape deck.
Its for a cd changer. All the factory head units have this output whether or not there is a changer in the vehicle. Whats cool about this is you can get an adapter that plugs into this port that gives you a set of auxillary inputs for things such as satellite radio, ipods, ets.
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2004 Chevy z71
BF Goodrich T/A KO 285/75/16s. Flowmaster 40 Series exhaust. K&N intake. Stull billet grille. F-150 torsion bar index keys. 800w stereo system.
Pulled OEM stereo out of my '01 cc. In addition to the main plug on the back there's an unused port between it and the antennae plug. Anyone know what this is for? 
