Heater circuit for Chevrolet Chevy Van G2500 (1996-1998)

AUXILIARY BLOWER MOTOR (LEFT REAR OF CABIN, BEHIND REAR WHEELHOUSE) AUXILIARY BLOWER MOTOR RESISTOR (LEFT REAR OF CABIN, BEHIND REAR WHEELHOUSE) AUXILIARY BLOWER MOTOR SWITCH BLK WIRE BLOWER FUSE BLOWER MOTOR BLOWER MOTOR RESISTOR/RELAY (AT HVAC CONTROL PANEL) BRN WIRE CONVENIENCE CENTER DIESEL DK BLU WIRE GRY WIRE HEAT BLEND DEF HEATER CONTROLLER HOT AT ALL TIMES HOT IN RUN HOT IN RUN OR START HTR A/C FUSE 12 I/P FUSE BLOCK LT BLU WIRE MED LO OFF OFF VENT ORG/ WIRE PPL RED WIRE RR BLOWER FUSE RR HVAC FUSE 24 TAN WIRE UNDERHOOD FUSE/RELAY CENTER WHT WIRE YEL WIRE