Well apparently my bass shook loose some screws inside of the capacitor casing. The one causing the problem was the screw connecting the carbon capacitor to the circuit board. The bad connection was sending heat into the negative terminal connection causing the copper wire to turn that corroded red colour it gets when it's hot and oxidizing. Fixed up the internals and plan on rewiring it into a different point on the system.
Also planning on adding a mid-sized AGM battery in the trunk to compliment the capacitor.