Go to your sound bar and pull the covers off and the speakers. Look at the color code. Which one is positive and which one is negative. As long as you do not have an amplified system, the same color wiring will be in the plug. You can also do the fronts. All you are doing is retrieving a signal from the output of the radio. A positive and negative on the left and positive and a negative on the right. The only problem with using a stepdown or converter is you just don't have total control over your amp. I hope this will help you. I am not sure about the U-connect, sorry about that.
2008 JK, Stone White, Rubicon wheels, BF Goodrich KM tires, Rough Country spacers, Grab handles, Daystar hood latches, Daystar lower switch panel, Rugged Ridge grill inserts, KC Daylighters installed with KC windshield mounts. More mods to come... Rock rails (which I am looking for some Rubi takeoffs), winch, front bumper, summer top, etc.
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Last edited by dcj090; 04-02-2009 at 05:55 AM.
Reason: changed wording