Grounding wires?

Sorry, but I have to add my 2c's..... try both methods before you shoot down one. I am a firm believer in the central grounding schematics because of what a ground loop is.

GROUND LOOP defined : A ground loop occures when the absolute ground voltage of one unit is different that that of another unit. When you have a difference in voltages, and an electrical connection between them, current will flow in the conductor. In our case, we usually get noise when we are using an amplifier with our head unit. The amp is grounded in the rear, and the head unit in the dash. Sometimes one connection is better than the other, and the difference in voltage flows through the shield of our RCA signal cable. Because it is so close to the signal itself, it is usually picked up by the amplifier and amplified to our speakers.

Now I'm not saying that using different grounding points is wrong.... don't get me wrong, but becareful that the ground that you are using in the rear for all your components are the same voltage as the one in your head unit. MAKE SURE YOU TEST FOR ABSOLUTE GROUND before you start drilling a hole in your chassis or frame.

As far as the problems of   Garfunkel01 being solved by removing the central grounding configuration.... good for you for finding that problem. I for one would not have found that problem because I never had that  with central grounding. If there is an alternator problem or a charging problem I would look at the upgrading the ground at the battery or at the alternator itself. Like I said before.... try different avenues of wiring before you shoot one down before you try it.