940 L4-2.3L SOHC VIN 88 B230F (1992)
Fuel Gauge Sender: Testing and Inspection
Auxillary Tank Sensor Fault Tracing
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Remove battery negative lead.
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Unplug connector and measure with an ohmmeter between the white-gray leads. Resistance should be between 0 Ohm, with auxiliary tank empty,
and 60 Ohm, with auxiliary tank full.
If resistance reads infinity, measure directly on the sensor terminals.
With resistance other than between 0 and 80 ohm, the sensor is faulty and needs changing.
