GMC Rally G3500 (1985-1996) Shift interlock circuit

A/T SHIFT LOCK SOLENOID (RIGHT SIDE OF STEERING COLUMN) BLK WIRE DK GRN/WHT WIRE HOT IN RUN OR START I/P FUSE PANEL LT GRN WIRE PARK/NEUTRAL POSITION SWITCH (LEFT SIDE OF TRANSMISSION) PNK WIRE TCC/STOPLAMP SWITCH (NEAR BRAKE PEDAL LEVER) TURN B/U FUSE 16