Courtesy lamps circuit, with upfitter package for GMC Savana H2500 (2003-2003)

AUXILIARY 1 FUSE 32 BLK WIRE BODY CONTROL MODULE (BCM) (LOWER RIGHT SIDE OF I/P) BODY FUSE BLOCK (BELOW DRIVERS SEAT) CARGO DOOR LATCH ASSEMBLY CTSY CTSY LP RELAY 26 CTSY LP/ SEO FUSE 3 CTSY LPS SUPPLY BATTERY DK BLU WIRE DK BLU/WHT (OR ORG) WIRE DK BLU/WHT WIRE DOME DOME DEFEAT DOME FLOUR- ESCENT FUSE 2 DOME FLUORESCENT WORK LAMP 1 DOME FLUORESCENT WORK LAMP 2 DOME FLUORESCENT WORK LAMP RELAY (2004) (ATTACHED TO LEFT "B" PILLAR) DOOR OPEN SW SIG REAR DOOR AJAR CTSY LAMPS ON SIG REAR DOOR SW SIG DRIVER DOOR LATCH ASSEMBLY FL DOME LP SIG FL DOME RELAY CTRL FROM LEFT VANITY MIRROR BREAKOUT) GRY/BLK WIRE HEADLAMP AND PANEL DIMMER SWITCH HNDL HOT AT ALL TIMES LEFT FRONT DOME FLUORESCENT WORK LAMP LEFT REAR DOME FLUORESCENT WORK LAMP LEFT REAR DOOR JAMB SWITCH LEFT VANITY MIRROR LAMP LT GRN WIRE NOT USED ORG/ WIRE PASSENGER DOOR LATCH ASSEMBLY POWER PPL PPL DEFEAT SW SIG PROVISIONAL REAR FUSE BLOCK (ATTACHED TO LEFT "B" PILLAR) RED WIRE RED/WHT WIRE RIGHT DOME FLUORESCENT WORK LAMP RIGHT REAR DOOR JAMB SWITCH RIGHT VANITY MIRROR LAMP SPLICE TAN WIRE TBC 2 FUSE 18 UNDERHOOD LAMP W/ POWER DOOR LOCKS W/O POWER DOOR LOCKS WHT WIRE YEL/BLK WIRE