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Amp ground wire

 

Bronze Member
Username: Luttrell31

Post Number: 28
Registered: Jul-06
I was getting ready to hook up my amp and I was wondering if it would be better to ground it to the battery or just to the chasis thanks
 

Bronze Member
Username: Kungwaz

Post Number: 15
Registered: Jul-06
The chasis would be the better choice, just connect it to the seat belt between the seats. Just make sure it's in contact directly to the chasis.
 

Silver Member
Username: Killer44

Ontario Canada

Post Number: 580
Registered: Dec-04
its actually better to go to the bat neg, B i think it was said he noticed a big difference when running a dedicated ground from his bat neg, but the way Da Wa said is more practical and is what most ppl do, b/c amp kits usually come with only 3 ft ground cable and u dont have to buy another run of wire to go to the battery, but ive heard of ppl using the seat belt but ive never done that i just find a spot in the trunk(which there may be a ground bolt in your trunk from the factory, like there was under the carpet in my probe) or you can jsut scrape off the paint to expose the bare metal on a spot under your carpet in your trunk which will also work good for a ground spot...
 

Bronze Member
Username: Luttrell31

Post Number: 29
Registered: Jul-06
I have also always been told the battery ground is a lot better but wanted to get some more opinions and since my battery is in the trunk i think i will go with that thanks
 

Silver Member
Username: Stnorris

Eldridge, IA US

Post Number: 824
Registered: Apr-06
if your batt is your trunk, i would do it like that. but if you only have one batt in the front, thats a bad idea. amps only come with 3 ft of ground, because your ground is not supposed to ever get longer than that. the longer the wire, the worse the ground gets, and having a good ground is one of the most important things.
 

Silver Member
Username: N2audio

Lawrence, Ks USA

Post Number: 924
Registered: Mar-04
The issue is resistance.

I've seen conflicting tests, but to me, the consensus is the chassis of an average car will be less restrictive than a run of 1/0 wire to the batt - maybe 2. If you're running several thousand watts and need the current capacity of multiple strands of 1/0 then run them to the battery. Otherwise the chassis is the best option.
 

Silver Member
Username: Troy81

Tavernier, Fl Us

Post Number: 743
Registered: Mar-06
run 2 strands of 0/1 and youll be fine, and yes if it is straight to the battery ground then it will be a better ground then ANY other place on the car, but resistance would be the problem
 

New member
Username: Adelsin

Post Number: 2
Registered: Jul-06
I have my ground on the bolt that you were talking about, but the other day it got knocked off... I put another terminal on it and mounted it back in the same spot and now there is alternator noise and a loud thumping noise coming from my amp. I've tried almost everything. I cleaned the area, I regrounded it on another ground bolt. I can't seem to find what I'm doing wrong. I'll try the seat belt thing, but How do you get it to stick?
 

Bronze Member
Username: Luttrell31

Post Number: 30
Registered: Jul-06
The amp is only about a foot away from the battery so I would think 8g wire would be okay right?
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