i got a 20watt cobra 29 ,wilson 1000,d104 and a 3 pill davemade,,,it has worked great in my truck for the 8 years or so i have had it,and to some peoples surprise will do right at 600 watts,well i was in the 1st key down of my life couple months back and i was sitting in between to other truck and got my but handed to me,a 100 skeleton whooped me,on the way back to the guy with the base to listen to the watergate,,i keyed it up and my volt gauge in the dash pegged and my headlights got so bright i thought they were gonna explode ,,,,i have since taken the stuff out ,dont know if it matters but my truck is an 1999 s-10 4cyl...anyone got a clue as to what happened??