Oil Pressure Gauge
- Unplug connector at oil pressure sender. Connect a 3.4 watt test lamp between connector and ground. Turn ignition on. Bulb should come on and gauge needle should move.
- Connect one end of test lamp to sender terminal and other end to battery voltage. With engine running, test lamp should flash. Lamp should not light when engine is stopped.NOTE: Bulb may come on briefly when engine is stopped, but should not remain lit.