I am having trouble with FM stations it appears that i am losing singal strenght my antenna is in my back window i am wondering if this is the cause of my problem with stations being weak, I am also wondering if i need to hook up the blue antenna wire from unit, or am i getting interference from some where, I made sure that all my connection were nice and tight, on the display of unit i am only seeing two to three bars , I used the program to lock in the station but still having problems
please help