Grounding an amp

[Andrew_as 10+ year member]

I am putting a second battery in. It is a batcap 2000. I plan on using my 0 gauge wire from the front battery to the back one for the positive. Than ground the battery in the back somewhere. My question is should i ground my kicker 2500.1 and 350.4 to the second battery or should i ground them to the frame where i ground the second battery?

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[kentb 10+ year member]

batteryy, ground it to the source

 

[ultimate157 5,000+ posts]

Battery.

 

[Anniku989 10+ year member]

Battery

 

[01 S 10 10+ year member]

battery, thats how i have mine setup. i might eventually run a ground from front batts/alt to rear batts, but just ground the batcap 2k to the frame and run your amp grounds to the batcap 2k.

 

[jrwalte 10+ year member]

If you still have low voltage issues at the amp after this then consider running a dedicated 1/0 negative from front battery.