Courtesy lamps circuit, without auxiliary lighting for GMC Cab & Chassis C3500 (1985-2000)

BLK WIRE CARGO DOOR JAMB SWITCH COURTESY CTSY FUSE 3 FRONT DOME LAMP FUSE BLOCK- I/P HEADLAMP, PANEL DIMMER SWITCH DOME LAMP DEFEAT HORN MINI FUSE HOT AT ALL TIMES I/P COMPT BOX LAMP LEFT FRONT DOOR JAMB SWITCH LEFT I/P COURTESY LAMP LEFT REAR DOOR JAMB SWITCH ORG/ WIRE PPL REAR DOME LAMP RIGHT FRONT DOOR JAMB SWITCH RIGHT I/P COURTESY LAMP RIGHT REAR DOOR JAMB SWITCH SUBURBAN ONLY TAHOE, YUKON, SUBURBAN ONLY UNDERHOOD FUSE/RELAY CENTER UNDERHOOD LAMP UNDERHOOD REEL LAMP WHT WIRE