sml238 10+ year member
Senior VIP Member
ya could be a number of things. ground is usually the main cause. check ur ground first and if it doesnt go away after cleanin up ur ground then its prob ur decki bet it doesnt do it if you turn off the radio before you turn off the car.. and you turn on the radio when the car is already on. probaly has something to alt kicking on and engine drawing power... /shrug.. maybe unshielded rca..