Low Fuel Warning Light Sensor Operational Test
- Remove fuel sending unit from gas tank. Using a battery, connect voltage to warning light sensor terminals No. 1 and 3 of sending unit connector.
- Connect a 12-volt, 3.4-watt test light between positive battery terminal and one warning light sensor terminal of sending unit connector. Connect other warning light sensor terminal to negative battery terminal.
- With sending unit float/sensor dry, test light should come on within about 40 seconds. With sending unit float/sensor submerged in gasoline or water, test light should not come on. If test light does not function as described, replace sensor or complete sending unit.