Thread: Stereo System Thumping = Lights Dimming?

Originally Posted by KeithGTP03

I had many grounding points..even the frame. Would still dim at idle. Even running just a JL 500w slash amp.

Well...I say it a lot: There's a guy I know who runs sine waves for competitions w/his 2.5kw setup and he uses a stock alternator just fine. That's the type of load that dynamic music will never see; especially at 500w. Maybe the alt. was on the way out?