Heater circuit for Chevrolet Chevy Express H2500 (2003-2003)

AIR TEMPERATURE ACTUATOR (BEHIND RIGHT SIDE OF DASH) AUXILIARY BLOWER MOTOR (IF EQUIPPED) AUXILIARY BLOWER MOTOR RESISTOR AUXILIARY BLOWER MOTOR SWITCH (IF EQUIPPED) BLK WIRE BLOW FUSE 51 BLOWER MOTOR (RIGHT REAR OF ENGINE COMPT) BLOWER MOTOR RESISTOR ASSEMBLY (RIGHT REAR OF ENGINE COMPT) BODY FUSE BLOCK (BELOW LEFT FRONT SEAT) BRN WIRE BRN/WHT WIRE DK BLU WIRE HEAT HEAT/DEF DEF HOT AT ALL TIMES HOT IN HVAC 1 FUSE 9 HVAC CONTROL ASSEMBLY HVAC FUSE 10 LT BLU WIRE MED LO OFF OFF VENT BI-LEV ORG/ WIRE PPL RED WIRE RED/BLK WIRE RED/WHT WIRE RR BLOWER FUSE 13 RUN WIRE SPLICE PACK (BOTTOM OF LEFT "B" PILLAR) TAN WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) WHT WIRE YEL WIRE