Recent content by Karuza

Brand new optima battery

It doesn't go up or down with volume of head unit, it only goes away when volume is 0, I'm assuming the head unit stops sending out a signal at this point. Also, its only my door speakers, and not the other speakers in my car

The gnd from the amp is hooked to negative terminal on battery, although this has worked fine before, do you think it could be the culprit to the problem? Should I ground it to bare metal? Not that I know of, but I'll ask around.

Test #3 shows it has nothing to do with head unit. Test 3 shows the RCA connected to the amp, with other end of the RCAs touching bare metal still getting alternator whine. The HU was not connected to the RCA Test #1 New RCAs were purchased and test and still receive whine

Tests done; 1. Hooked up new RCAs to HU and amp 2. Test ground on amp (Ground is hooked up to negative terminal of battery. People have different views on this but this set up worked previously before the alternator whine came about, would it be recommended to ground to bare metal?) 3. Hooked...

Alpine CDA-7894 Elemental Designs Nine.2 Amplifier

Also, when I'm screwing down the screw in the A+ wire spot and if the screwdriver accidentally touches the amp, sparks fly.

I unplugged the RCA from the amp directly and not the head unit.. could that still cause a problem? The head unit wouldn't adjust bass and treble until i disconnected the battery and reset it.

Everything worked fine until I connected a second amp and some subs. I had a loud thumping noise from inside speakers so I immediately disconnected everything and reverted it back to previous setup. The setup before worked fine but now it gets alternator whine and some static when the car...