connections

I got old capacitor for free, but it has worn so i dont know what is ground what is positive and it has 6 connection points instead of 3 like every other capacitor ive seen. Any tips how to connect it?

Wiring two DVC 2 ohms. I’ve viewed diagrams. Can’t find any matching specific setup with a box (just shows subs alone). But here’s is what I’ve done. Isn’t this effectively correct? I’m still reading 11ohms and it’s barely playing. Kicker CompR 12. Two sets of inputs each sub on opposite...

I have a 2006 Honda Odyssey with a 130amp factory alternator. I have done big 3 with ground to chassis and engine ground. I run a 2000watt RMS mono block at one ohm to an 18" ampere audio subwoofer (2000watts RMS). The sub is wired with 4 gauge wire with banana clips and 4 to 8 reducers for sub...