Has anybody upgraded their wiring under the hood for better current flow? I was wondering because I want to do this but would love to know how easy/hard it went if anybody has done it.

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2oo2 KJ LTD -- SOLD
OME-Rancho-Rusty's Lift, 15x7 Soft 8s w/ 31x10.50R15 BFG KM2s-Need to sell!!!

2009 PBM Pontiac G8 GT -- New Toy
Stock...for now

easy just run 0/1 from alternator to battery post, run another from the - post to the original ground, and call it a day. could run a ground the the engine grounding strap to the frame but it's a pain to get under there unless you got a lift. only wire i removed was the alternator to the + side i left the original battery ground cause i'm lazy and if i want it back to stock it is one less thing.

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06 Liberty Sport 2wd Manual 6-Speed.
Mods:
Excessive Amperage custom 200amp alternator
Yellow Top Optima Battery
RE XXX 12 subwoofer in 2.5 cubic ft slot vented box tuned to 32 hz
Earthquake PHD5000w amp
Earthquake 2 channel amp
MTX 6001 axe seperates 6 1/2 front speakers with 1" soft dome tweeters