Help, I have a xg350L 2002, I moved the mute wire from its location and installed in new location which was above its oringnal location, i grounded the mute wire with the parking brake wire from avicd3 and black ground wire from avicd3 all together at a good ground, I turned on my unit and reset it, i loaded the east coast disk and let it sink up , my map display showed the west coast map and could locate were i was at , I the removed east coast disk, and reset the unit and installed the west coast disk still no change, I removed the mute wire from ground and reset unit and place the east dis