I haven't used one of these but for 15.00 bucks it might be worth a try? Also make sure you're antenna cable is good. RICK
http://www.crutchfield.com/p_12044UA60/FM-Signal-Amplifier.html?search=FM_ANTENNA_BOOSTER&skipvs=T
http://www.crutchfield.com/p_12044UA60/FM-Signal-Amplifier.html?search=FM_ANTENNA_BOOSTER&skipvs=T