Upgrading the infinity system, put some JLs in the sound bar but read on here about the reduction in gain on the rear speakers due to some rattling.

Would you guys recommend putting a amp from the Nitro in the Jeep or use the power from the aftermarket navigation (which is probably better than the nitro amp but I woudl lose the sub in the back)

On a side not, are the positive wires on the rear sound bar both the light green color, I'm pretty sure I read in another thread that the darker colored wires are the negative typically and the lighter colors are the positive (light green=positive in the case of the sound bar).