Instrument illumination circuit for GMC Savana H2500 (2003-2003)

5 VOLT REF HEADLAMP ON IND PNK WIRE AUXILIARY BLOWER MOTOR SWITCH BLK WIRE BLK/WHT WIRE BODY CONTROL MODULE (BCM) (LOWER RIGHT SIDE OF DASH) BODY FUSE BLOCK (BELOW LEFT FRONT SEAT) BRN/WHT WIRE DIMMING INPUT DIMMING RETURN DRIVER DOOR LOCK SWITCH DRIVER WINDOW SWITCH ENC = HVAC PROVISIONS AUXILIARY HEATER PLUMBING AND WIRING FRONT AUXILIARY HVAC CONTROL ASSEMBLY FRONT PASSENGER DOOR LOCK SWITCH FRONT PASSENGER WINDOW SWITCH GRY WIRE GRY/BLK WIRE HEADLAMP AND PANEL DIMMER SWITCH HVAC CONTROL ASSEMBLY INFLATABLE RESTRAINT I/P MODULE DISABLE SWITCH INSTRUMENT CLUSTER LOGIC ORG/BLK WIRE PANEL LPS DIM BACK-UP LPS CTRL LED DIMMING SIG PNK WIRE PPL/WHT WIRE REAR AUXILIARY HVAC CONTROL ASSEMBLY REAR SEAT AUDIO (RSA) CONTROL SPLICE TOW/HAUL SWITCH TRACTION CONTROL SWITCH (2004) W/ REAR AUX CONTROLS W/O REAR AUX CONTROLS WITH P/WINDOWS AND DOOR LOCKS YEL WIRE