I have an LTD M-1000, the model with EMG's. I think EMG's are too compressed, and sound horrible, so I swapped them out for a Seymour Duncan JB/Jazz combo. The pickups are working great, except I'm getting absolutely nothing from my volume and tone pots. I changed them out with the ones that came in the guitar to 500k versus the 25k the EMG's used. Am I missing out on something that I didn't know I needed to change?

I can take pictures, but not for a little while until I can grab some batteries.
If it helps at all; I followed these two guides: (My switch is a 3 way blade, not a gibson style toggle like pictured)

Thanks so much in advance, this has been bugging me well over a couple weeks.