Okay, so Ive had the sound system in the car for the past cuple years now, no problem. Just recently I took the sub box (with the amp and capacitor) out for a few days while doing work on the car. When I put it back in, everything seemed fine, until we tried starting the car the next day and it was dead. We had believed it to be the capacitor, my gf had seen the leds on even after the car was off. I bought a new capacitor and installed it, and the next day after that, the battery was dead. When I installed the new capacitor I watched and took note that the caps display did turn off when the car was off, but the amps led indicator was still on. How is this possible? Ithought the amp wouldnt get power if the cap is turned off? Im really confused so anything would help. I doublechecked the wiring and nothing was miswired. Id say the amp is bad but hw would it get power if the cap was supposedly turned off?

 

you miss something.

I have different of wiring my system. It has it's own battery. I don't use the battery of the car.