Re: A Whole mess of problems. Please help with whatever you can
No need for a cap, its a further load on a strained electrical system. Take it out.
I found that after I replaced the 8 AWG wire leading from the batteries neg terminal to the chassis with a 4 AWG, my dimming problems went away completely. I'm running about 700W RMS total with a bone stock battery and alternator in a 2004 limited. No dimming, even when I was testing and had it turned WAY up into clipping territory.
You shouldn't have any issues with the 400ish watts that orion puts out (and thats a bit "optimistic".)
Did the shop run at least a 4 AWG directly from the battery back to where the amp is located? BTW that run should be fused within a foot of the battery, and run through the firewall with a grommet.
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