F 350 4WD Pickup V8-7.3L DSL (1988)
Fuel Gauge: Symptom Related Diagnostic Procedures
In addition to the Diagnosis Guides shown, please note: The fuel sender consists of a variable resistor, controlled by the action of an attached float in the
fuel tank(s). Resistance should be 160 ohms (full tank) and 15 ohms (empty tank).