after i finish the sub..i bought the car to stealership..and everythign was complete..they also check my wiring for my amps..after i pick it up..they also call me up saying my amp wiring is incorrect..also my pop told me that i wire it wrong too. but now i got click click and its not the starter motor..my battery is drain because the amp is still on and while the car is still off. so wat do i need to make it not take up my battery?

Capacitor..or i got find a way to set it up correctly