Courtesy lamp circuit, with auxiliary lighting for GMC Suburban K1500 (1985-1999)

BATTERY JUNCTION BLOCK (RIGHT REAR ENGINE COMPARTMENT, AT COWL) BLK WIRE BLK/ORG WIRE CONVENIENCE CENTER COURTESY SWITCH CTSY FUSE DOME LAMP OVERRIDE SWITCH (IF EQUIPPED) FRONT DOME AND READING LAMPS FUSE BLOCK HOT AT ALL TIMES I/P COMPARTMENT BOX LAMP IN-LINE FUSE LEFT FRONT DOOR JAMB SWITCH LEFT I/P COURTESY LAMP LEFT REAR DOOR JAMB SWITCH NCA WIRE NO GROUND LOCATION AVAILABLE ORG/ WIRE OVERRIDE JUMPER (W/O SWITCH) PANEL DIMMER SWITCH REAR DOME AND READING LAMPS REAR DOOR OR TAILGATE JAMB SWITCH RED WIRE RIGHT FRONT DOOR JAMB SWITCH RIGHT I/P COURTESY LAMP RIGHT REAR DOOR JAMB SWITCH UNDERHOOD REEL LAMP UTILITY ONLY WHT WIRE