GMC Forward Control P3500 (1985-1999) 6.5l vin y, cruise control circuit

1-3 FUSE 9 A/T ISS HIGH A/T ISS LOW AUTOMATIC TRANSMISSION SHAFT SPEED SENSOR (A/T ISS) (LEFT SIDE OF TRANSMISSION) BLU/WHT WIRE BRN WIRE CRUISE CONTROL SWITCH DK BLU WIRE GRY WIRE GRY/BLK WIRE HAZARD LAMPS FLASHER (LEFT OF STEERING COLUMN) HOT AT ALL TIMES HOT IN RUN I/P FUSE BLOCK LT BLU WIRE NCA WIRE OFF ORG/ WIRE POWERTRAIN CONTROL MODULE (PCM) (ON LEFT SIDE OF DRIVER'S ISLAND) PPL PPL TCC/STOP SW SIG STOPLAMP SW SIGNAL CRUISE ON/OFF INPUT SET/COAST INPUT R/A RED/BLK WIRE RESUME/ACCEL INPUT S/C STOP/HAZ FUSE 1 STOPLAMPS SWITCH (ABOVE BRAKE PEDAL) TORQUE CONVERTER CLUTCH, STOPLAMPS SWITCH (ABOVE BRAKE PEDAL)