GMC C3500 HD (1991-2000) Courtesy lamp circuit

BATTERY JUNCTION BLOCK (RIGHT REAR ENGINE COMPARTMENT, AT COWL) BLK WIRE CARGO LAMP CARGO LAMP SWITCH CONVENIENCE CENTER COURTESY SWITCH CTSY FUSE FRONT DOME LAMP FUSE BLOCK HOT AT ALL TIMES IN-LINE FUSE LEFT FRONT DOOR JAMB SWITCH ORG/ WIRE ORG/BLK WIRE PANEL DIMMER SWITCH RED WIRE RIGHT FRONT DOOR JAMB SWITCH UNDERHOOD REEL LAMP WHT WIRE