Ok, I know I'm reposting but there was an error in the first post. To recap, I installed an alpine hu and replaced the rear speakers with mb quart ones. The problem I'm having is that the hu's lights dim/blink when the bass hits when the volumes turned up. I have no amp or subs yet. But its the hu's lights that are dimming, not the headlights or dash lights. I went to tweeter and they told me its something to do with the connection, but I double checked everything and its connected fine with wire nuts. It also seems like the sound becomes slightly distorted at higher volumes. Anyway, I know when the lights dim, theres not enough power going to the speakers, so what could be the problem here? Someone suggested my battery terminals need cleaning, but the car doesn't run off of the battery when its running, so thats out of the picture. Someone else mentioned the fact that I have two factory speakers still...not sure about that. All help is appreciated. Thanks everyone.
