Originally Posted by 07bluezx14
actually, driving down the road going 40, 50, or 60mph, the headlights dim on the pavement. as well as any other light in the car for that matter. I expect that the lights would dim at idle. But the car starts like it should.
That sounds like something you'd want to look into. It means that something (the amp) is pulling really hard on your power supply. Could just be an old battery, poor connection, bad ground, but you should have it diagnosed.