Low Fuel Level Light Sensor
- Remove sending unit from fuel tank. See FUEL GAUGE SENDING UNIT. Connect a 12-volt test light (with 3.4-watt bulb installed) between a 12-volt battery source and terminal No. 1 of fuel tank sending unit connector. SeeFigure . Using jumper wire, ground connector terminal No. 3 to battery negative terminal.
- Immerse sending unit in water. Test light should be off while sensor is beneath water and should illuminate when sensor and sending unit are taken out of water. If sensor/sending unit does not operate as specified, replace sending unit assembly.