I have the triple gauge A-pillar set on my 02 with the same gauges. All the wires and tube are run through a plug in the fire wall just below were through clutch goes through, The light wires are connected to the dash light dimmer wires behind the instment cluster. the 12v are connected at the power box on the left inner fender.
02 Pat. Blue 3500 6sp Pac Brake,Leather. Isspro gauges, Dee Zee Running Boards, Stainless Trim, Chrome Brush Guard,AFE Stage 1 Air Filter