I got my 200amp alternator from excessive amperage and installed it and ran it to my battery via 4 ga wire on the positive side. Now i haven't hooked the ground up with a 4 ga wire yet and was wondering how bad it would be, or how would it affect performance? Also, should i cut the old ground wires or just leave them and just run an additonal 4 ga wire (i would like option B, but i don't know if it could be bad)?
Since i haven't installed the four gauge wire, and all that power is running to my battery, would it make my light dim alot because it can't rid of the power fast enough when the subs hit?