Heater circuit for GMC Sierra 2500 (2000-2004)

BLK WIRE BLOWER FUSE BLOWER MOTOR (UNDER RIGHT SIDE OF DASH) BLOWER MOTOR CONTROL SWITCH BLOWER MOTOR RELAY BLOWER MOTOR RESISTOR ASSEMBLY (ON HVAC MODULE, NEAR BLOWER MOTOR) BRN WIRE HOT AT ALL TIMES HOT IN HVAC CONTROL MODULE (BEHIND CENTER OF DASH) LEFT I/P FUSE BLOCK LT BLU WIRE OFF ORG/ WIRE PPL RED WIRE RIGHT I/P FUSE BLOCK (LOWER RIGHT SIDE OF DASH) RUN WIRE TAN WIRE UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT, NEAR BATTERY) YEL WIRE