as this can be good, sometimes you can run into issues with sharing a ground, ie loops n such.
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03-02-2013
as this can be good, sometimes you can run into issues with sharing a ground, ie loops n such.
03-02-2013
Do as DanPrix said... I don't know why people are making this more complicated with talk of running a ground all the way to the battery and such.... get a distribution block... run each amp to that, then ground it to the chassis by getting to bare metal... I had three amps running this way 2 Rockford 1000 monos and 1 Rockford 500 multichannel
03-02-2013
i think the ppl chiming in with running other ground locals, have been throught the bs before, or remedy for voltage drop. Granted the guy above me is saying all these amps where fine, That is not correct, bare metal isnt always just the best. maybe if youve done big three and kknow you have good grounds.
03-02-2013
my amps were fine and ran great for almost the 2 yrs i had the set-up before just selling the car....big 3 and extra battery to keep the mrp-m1000 happy down at 1 ohm grounds were solid and fine, i mean NEVER had any issue even at 147.3db
03-02-2013
Ya I have done big 3 and running 0 gauge right now... I'm just saying all the systems I have setup have run this way and with no power or voltage problems.. ideally yes you would want to ground to the battery... but the other way will suffice just as well.. even in big power setups
And yes I didn't mean just screw right into the trunk metal.. like you said yes you need to find a good ground on bare metal
Last edited by Alix0r; 03-02-2013 at 03:35 PM.
03-02-2013
Ground loops can occur when "sharing" a ground.
But hey, I got good news you.
They actually invented something called a ground loop isolator.
It eliminates the ground loop. Outstanding isnt it?
And on the plus side, they are cheap.
03-02-2013
Use a ground loop isolator, I just won't let myself use a bandaid. Fix the issue not add more stuff to mask it.
03-08-2013
for now i changed the one ground for the subs amp to the strut tower and plan to move the smaller amp for the speakers to the other strut tower when i get the chance as well
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