4.3l vin w, manual a/c circuit, cargo van for GMC Savana G1500 (1996-2013)

A/C COMPRESSOR CLUTCH A/C COMPRESSOR CLUTCH RELAY (IN UNDERHOOD FUSE BLOCK) A/C FUSE A/C HIGH PRESSURE SWITCH (REAR OF A/C COMPRESSOR) AIR TEMPERATURE ACTUATOR (AUXILIARY) (LEFT REAR INTERIOR) AUXILIARY BLOWER MOTOR BLK WIRE BLOWER FUSE BLOWER MOTOR (RIGHT REAR OF ENGINE COMPT) BRN WIRE CLUTCH RLY CTRL CONVENIENCE CENTER DIODE (IN UNDERHOOD FUSE BLOCK) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT IN RUN HOT IN RUN OR START HTR A/C FUSE 12 HVAC CONTROL ASSEMBLY HVAC CONTROL ASSEMBLY (FRONT AUXILIARY) (IF EQUIPPED) I/P FUSE BLOCK (LOWER LEFT KICK PANEL) LOW PRESS SIG LT BLU WIRE LT GRN WIRE MODE ACTUATOR (AUXILIARY) (LEFT REAR INTERIOR) OFF LO MED HI OFF MAX A/C BI-LEV ORG/ WIRE PNK WIRE POWERTRAIN CONTROL MODULE (PCM) (ON LEFT FRONT INNER FENDER) PPL RED WIRE REQUEST SIG RR BLOWER FUSE RR HVAC FUSE 24 TAN WIRE TEMP UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT) IGN E FUSE VENT HEAT BLEND DEF VENT HEAT BLEND DEF OFF MAX A/C BI-LEV VENT MODE WHT WIRE YEL WIRE