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Old 10-01-2012, 07:34 PM   #1
mitchv
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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?


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Old 10-01-2012, 10:37 PM   #2
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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.
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Old 10-01-2012, 10:41 PM   #3
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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
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Old 10-01-2012, 11:05 PM   #4
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Are you getting any dimming?

What is the meter reading?
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Old 10-02-2012, 12:49 PM   #5
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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.
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Old 10-02-2012, 02:09 PM   #6
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Ygpm
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Old 10-07-2012, 09:12 AM   #7
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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.
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Old 10-07-2012, 09:20 AM   #8
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rear seat bracket or shock bolt, I currently just rtun a negative to the front tho
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Old 10-08-2012, 03:29 AM   #9
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Quote:
Originally Posted by mitchv View Post
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
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Old 10-08-2012, 03:50 PM   #10
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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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