instalher

i have put a n3 in my customers 2007 ford f350. i hooked up the lime green to ground and flipped the switch on the unit.. now everthing works fine but he unit wont find any adresses it will locate&tracks his trucks movements, also the speedo, compass, and g-force gauges work. now the unit was installed previously and he claims that it has worked for the past yr. befor i did the mod.... any suggestions....

can i hook up a avg-vdp1 to my avic-d3?