4.3l (vin z), a/c circuit for GMC Rally G3500 (1985-1996)

1995 VFTC A/C HIGH PRESSURE CUTOUT SWITCH (ON COMPRESSOR) A/C LOW PRESSURE CUTOUT SWITCH (ON ACCUMULATOR) A/C SIGNAL AUX HTR A/C FUSE BLK WIRE BLOWER MOTOR BLOWER MOTOR RESISTOR (ENGINE COMPARTMENT, ON RIGHT COWL) BLOWER SWITCH BRN WIRE BRN/WHT WIRE DEF BLEND DIESEL DIODE A/C COMPRESSOR DK GRN WIRE FUSIBLE LINK GAS HEAT VENT B/L HIGH BLOWER RELAY (ON EVAPORATOR HOUSING) HOT AT ALL TIMES FUSE BLOCK HOT IN RUN HTR A/C FUSE LO LO HI LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE NCA WIRE OFF HI ME LO OFF MAX NORM ORG/ WIRE ORG/BLK WIRE POWERTRAIN CONTROL MODULE (BEHIND RIGHT KICK PANEL) PPL REAR A/C BLOWER MOTOR REAR A/C BLOWER RESISTOR (REAR OF VEHICLE ON ROOF) REAR BLOWER SWITCH RED WIRE SELECTOR CONTROL TAN WIRE YEL WIRE YEL/BLK WIRE