Home >> Ford Truck >> 1983 >> F 350 2WD Pickup L6-300 4.9L >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Pinpoint Tests >> Pinpoint Tests >> 17.0 Thru 17.4 - Spark Retard Solenoid >> 17.3 Thru 17.4