GMC Yukon II (1999-2006) Automatic a/c circuit, rear a/c

AIR TEMP DOOR SIG MODE DOOR SIG AUXILIARY AIR TEMPERATURE ACTUATOR (ON AUXILIARY HVAC MODULE ASSEMBLY) AUXILIARY BLOWER MOTOR CONTROL PROCESSOR (BELOW AUXILIARY BLOWER MOTOR) AUXILIARY HVAC CONTROL MODULE (RIGHT REAR OF VEHICLE) AUXILIARY MODE ACTUATOR (ON AUXILIARY HVAC MODULE ASSEMBLY) AUXILIARYBLOWER MOTOR B(+) CLASS 2 SERIAL DATA BLK WIRE BLK/WHT WIRE BLOWER CONTROL BRN WIRE BRN/WHT WIRE COMPUTER DATA LINES SYSTEM DK BLU WIRE DK/BLU WIRE ECC FUSE FRONT AUXILIARY HVAC CONTROL ASSEMBLY FT BLOW MT SW CTRL FT MODE SW SIG GROUND GROUND AIR TEMP DOOR CTRL FT MODE SW SIG B(+) CLASS 2 SER DATA GROUND GROUND LO AIR TEMP SEN SIG BLOWER MT SP CTRL GROUND GROUND LOW REF GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN I/P RELAY BLOCK (LOWER LEFT SIDE OF DASH) IGN 3 FUSE INSIDE AIR TEMP CTRL FT BLOWER MT SW SIG LEFT I/P FUSE BLOCK (LOWER LEFT SIDE OF DASH) LOGIC LOW REF LOWER AUXILIARY AIR TEMPERATURE SENSOR (BEHIND RIGHT "C" PILLAR, FRONT OF HVAC) LT BLU WIRE ORG/ WIRE PANEL LP DIM CTRL FT AIR TEMP SW SIG POWER DISTRIBUTION SYSTEM PPL PPL/WHT WIRE RADIO FUSE REAR SEAT AUDIO (RSA) CONTROLLER RR HVAC FUSE RUN WIRE SPEED CTRL B(+) GROUND TAN WIRE TEMP CONTROL UNDERHOOD FUSE BLOCK (LEFT SIDE OF ENGINE COMPT, NEAR BATTERY) WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE