6.5l (vin y), starting circuit for GMC Rally G2500 (1985-1995)

ACCY BATTERY JUNCTION BLOCK BLK WIRE BULB TEST FORWARD BATTERY FUSIBLE LINK (14 GA. RUST) FUSIBLE LINK (20 GA-RUST) GLOW PLUG CONTROLLER (LEFT SIDE OF ENGINE) HOLD-IN WINDING PULL-IN WINDING IGNITION SWITCH LOCK OFF PPL REAR BATTERY RED WIRE RUN WIRE STARTER MOTOR STARTER SOLENOID SOLENOID CONTACTS SUPPORT)