splitting ground wire for multiple amp

cableguy_hd · Feb 6, 2017

how big a deal would it be to split the ground and run 2 amps off it? When I hooked up my sub amp it was a PITA to find a ground. I want to add this little 4 channel amp and wanted to use same ground. Its 4g maybe 2 ft long. I'm going to run dedicated power wire through the fire wall.

Eestee70 · Feb 6, 2017

What gauge is your power wire and ground wire you're running now?

cableguy_hd · Feb 6, 2017

4g for the bass amp. All I need for 4 channel amp is 10g. The ground is all I plan on splitting

Damion · Feb 6, 2017

I would just daisy chain the smaller amp ground off the main amp. Kinda like stacking the two wire terminals together then tighten the screw to the main amp.

Unless your running big power you should be fine. Just know that using the same ground plane can cause noise in the system. ( alternator wine etc )

Eestee70 · Feb 6, 2017

If you can, run 0 gauge power and ground wire into a distribution block (separate blocks of course) and then use 4 gauge wires from the blocks to the amps. It's better to have too much and not need it. At least if you decide to upgrade to a more powerful system your wiring is already in place.

Damion · Feb 6, 2017

I doubt he's running the power to justify using 0g wire

cableguy_hd · Feb 7, 2017

Damion said:
I doubt he's running the power to justify using 0g wire

nope. I'll look more in to this Friday. Just getting some ideas before hand.

adrianp89 · Feb 7, 2017

A distribution block is your best friend here.

VegasDragger45 · Feb 7, 2017

cableguy_hd said:
how big a deal would it be to split the ground and run 2 amps off it? When I hooked up my sub amp it was a PITA to find a ground. I want to add this little 4 channel amp and wanted to use same ground. Its 4g maybe 2 ft long. I'm going to run dedicated power wire through the fire wall.

Use a distribution block with a single in dual out.

WilliamS · Feb 7, 2017

just get a cheap block to split it.

https://www.amazon.com/s/ref=nb_sb_ss_c_1_15?url=search-alias%3Daps&field-keywords=distribution+block&sprefix=distribution+bl%2Caps%2C156&crid=3HEAGW6W47D29

splitting ground wire for multiple amp

cableguy_hd

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