R 3500 P/U 2WD V8-454 7.4L VIN W 4-bbl (1988)
Oil Pressure Switch (For Fuel Pump): Testing and Inspection
Refer to DIAGNOSTIC CHARTS/FUEL PUMP RELAY CIRCUIT DIAGNOSIS (CHART A-5), for fuel related oil pressure switch problems.
Oil Pressure Switch (For Fuel Pump): Testing and Inspection
Refer to DIAGNOSTIC CHARTS/FUEL PUMP RELAY CIRCUIT DIAGNOSIS (CHART A-5), for fuel related oil pressure switch problems.