Routing power/ground for amp under each seat

I’m putting an amp under each front seat. I’m curious how to route the power/ground from the driver side to the passenger side to connect the second amp from the distribution blocks.

 

You want to ground each amp individually under each seat. There was a threaded hole under the carpet flap under the seat. Sand away the paint and get a bolt to fit in the threaded hole

As for the power, i ran a 1/0 from the battery to a distribution block and then a 4ga from the block to the amps. I kept the block under the drivers seat and ran a 4ga under the carpet over the transmission tunnel (under the arm rest) and back down under the carpet to the amp under the passengers seat. Just make sure to keep the power away from any signal wires (rca's & speaker wires) you may also have running under the center console.

What amps are you installing?

 

I’ve read that it’s good to ground both amps to same point. Is this false?

putting a

$255 pioneer gm-d9701 PIONEER 2400W MONOCLASS D mono AMP (GM-D9701)

pioneer gm-d9701 under driver seat and an infinity 704a under passenger seat.

Thanks, I wasn’t sure if there’d be room under the center to run the power.

 

Best thing would be to ground them independently.

 

Curious, how well is the body grounded to the battery?

 

However good it is with stock electrical wiring

 

@Danimal86 has it pretty well summed up. Ground each to their own ground. Sharing could lead to issues if voltage is trapped in the ground loop from one amp, in that case both would be subject to it. Makes troubleshooting a bit more challenging and you'd end up separating the grounds anyway. 0ga is more than plenty for inlet power, 4ga would work as well, be easier to route and crimp too. Find a distribution block that has separate fuse slots, fuse accordingly to each amp circuit. Fuse the main power line accordingly to the full circuit amperage.

 

Got the fused distribution block. Running sub amp at 60a and the 4 channel at 30a based on my calcs (sub 500 rms, 4 channel 280 rms). 120a inline power fuse on a 4ga ofc knuconcepts kit. Dropping the 4 channel amp to 8 gauge from the distribution block.

 

If the infinity amp will accept a 4ga, i would use 4ga to power it. 8 is pretty small.

Good call on getting OFC

 

It calls for ten gauge in manual and based on the knuconcepts gauge chart I’m covered with the 8ga.

 

You're fine, the concern would be for it being the bottle neck. Running 30A thru 8ga you'd need to be concerned with the length of the wire before you begin to see a current drop at the amp side. 8ga with a 30A supply is rated to be good for ~50ft before you see a 10% drop in power. Youre talking about running a wire that will probably be 3'-4' long, no worries there.