Power Wire and New Alternator


New member
Username: Montecarlos11

Louisville, KY USA

Post Number: 9
Registered: Sep-05
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)?

New member
Username: Bass_fanatic

Post Number: 3
Registered: Mar-06
u can just leave the old wire. Electricity takes the route with the least resistence (ie. the bigger wire)

Gold Member
Username: B101

Queen City, NC USA

Post Number: 1984
Registered: Sep-05
Agreed 100% with MTX Rocks...
Leave them, and just run additional 4ga, the current will take all those paths...

Bronze Member
Username: Montecarlos11

Louisville, KY USA

Post Number: 11
Registered: Sep-05
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?
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