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-   -   Where is the best Grounding spot in hatches? (http://www.focusfanatics.com/forum/showthread.php?t=298874)

mitchv 10-01-2012 07:34 PM

Where is the best Grounding spot in hatches?
 
I drive a 2003 zx3 and was wondering where the best grounding spot is in our hatches. Has anyone actually used a DMM and tested it?

freemind 10-01-2012 10:37 PM

I drilled a hole on the spare tire bracket. But, then again, I am only running 700 watts in the current form. Many use the rear seat belt mount.

mitchv 10-01-2012 10:41 PM

Hmm looks like ill have to stop being lazy and run a temporary wire, im grounded to where the stock sub bracket bolted into but im looking for something better. Pushing 1500 watts now

freemind 10-01-2012 11:05 PM

Are you getting any dimming?

What is the meter reading?

mitchv 10-02-2012 12:49 PM

Im getting tons of dimming I dont have a volt meter in the car and Im afraid to have it parked playing because I dont want to drop belowe 12volts and hurt my amps. But yes a ton of dimming is occuring, thinking I might upgrade big 3 to 4/0 OFC welding wire.

freemind 10-02-2012 02:09 PM

Ygpm

Jeffrosilver07 10-07-2012 09:12 AM

I had an 02 SVT and now have a 07 SE, I used the same grounding bolt in both cars and had very good success with it. I used an impact gun to remove the back seat back bolts and then a dremel tool to get rid of the paint. Sandwiched the ground between the metal floor and the seat back and put the bolt back in. I have a 0 gauge ground so the ring terminal is pretty big and was able to fit around the bolt. Neither cars had/have any noise issues from placing the ground in that location. Hope this helps.

02Zetechse 10-07-2012 09:20 AM

rear seat bracket or shock bolt, I currently just rtun a negative to the front tho

thingsidont 10-08-2012 03:29 AM

Quote:

Originally Posted by mitchv (Post 4383457)
Im getting tons of dimming I dont have a volt meter in the car and Im afraid to have it parked playing because I dont want to drop belowe 12volts and hurt my amps. But yes a ton of dimming is occuring, thinking I might upgrade big 3 to 4/0 OFC welding wire.

any luck on fixing your dimming cause im running about 1200w and ive done the big3 and i still got dimming

freemind 10-08-2012 03:50 PM

Class D or, A/B amps?

What is your voltage(with the car running and the system off)at the battery?

Now check it with the system on.

Post the variance.


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