At the last two paragraphs of his
Wikipedia page on equipment, it list his signal chain circa TOT. Trust me on the sourcing:
I spent about an hour copying and retyping his stage equipment listing from the Bass Player article listed. I believe everything has remained the same except for his replacing the Mesa Titan V-12 for the Big Block 750 and the switch to MusicMan in the studio and live (Yeah six-string Bongos!

).