A) Disconnect the connector from the indicator switch and connect the connector pins on the indicator side.
b) Turn the ignition on and check that the indicator lamp comes on and the buzzer sounds.
2. Checking the sensor for the presence of water in the fuel filter.
A) Remove the fuel filter water sensor
b) Check for continuity between the terminals of the connector when the switch is in the "OFF" (float lowered).
V) Check for continuity between the terminals of the connector in the switch position "ON" (float in top position).
Resistance between pins:
- Float in the upper position - 7-10 ohms
- Float in lower position - no conductivity