4.3l (vin z), cruise control circuit for GMC Rally G2500 (1985-1995)

ANTI-LOCK BRAKE SYSTEM AUXILIARY FUSE BLOCK BLK WIRE BUS BAR GROUND (BEHIND LEFT SIDE OF INSTRUMENT PANEL, NEAR FUSE BLOCK) BUS BAR GROUND SUPPORT) COMPARTMENT) CONNECTED TO THROTTLE LINKAGE CRUISE CONTROL BRAKE SWITCH CRUISE CONTROL INPUT CRUISE CONTROL MODULE (TOP REAR OF PARKING BRAKE BRACKET) CRUISE CONTROL SERVO (LEFT REAR OF ENGINE CRUISE CONTROL SWITCH CRUISE ON INPUT PCM/TCM SIGNAL VENT VALVE CONTROL SPEED SENSOR INPUT DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE FUSE BLOCK GROUND GRY WIRE GRY/BLK WIRE HOT IN RUN BRK FUSE HOT IN RUN OR START GAGES FUSE IGN LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE OFF ON R/A PNK WIRE PNK/WHT WIRE POWERTRAIN CONTROL MODULE (PCM) (UNDER DRIVER'S SEAT) SENSOR POSIT INPUT BRAKE IN (VENT/VAC) SERVO POSIT INPUT GROUND VAC VALVE CONTROL R/A SIGNAL S/C SIGNAL SERVO POSITION SENSOR SPEED SIGNAL TAN WIRE TO BRAKE CRUISE RELEASE VALVE (VENTS WITH BRAKE PEDAL DEPRESSED) TO CRUISE CONTROL VACUUM MOTOR VACUUM RELEASE PORT VACUUM SOURCE VACUUM VALVE VENT VALVE VARIABLE A/C SIGNAL VEHICLE SPEED SENSOR BUFFER (ON PARKING BRAKE SUPPORT BRACKET) VENT WHT WIRE YEL WIRE