Make sure you have a decent to great ground plane. Did you ground the item yer antenna is hooked up to? Don't just rely on the notion the body is grounded with all the various fasteners...make the connection! <img src="/forums/images/graemlins/wink.gif" alt="" />

1998 T-100 Xtra cab SR5 2WD Auto; Roadmaster Active Suspension; Yokohama Geolander HT-S; lowered air dam; full belly pan; 4? diffuser; 11" side skirts; dual transmission coolers; 67% grill blocked; Auto-RX'd; ScanGauge II/Ultra-Gauge