Fuel Gauge

Disconnect harness connector from fuel tank sending unit. Connect a 12-volt, 3.4-watt bulb (light) between ground and Yellow/Red wire at fuel gauge sending unit harness connector. Turn ignition on. Ensure bulb lights and fuel gauge needle fluctuates several seconds later. If fuel gauge does not function as specified, check fuses, wiring harness, connectors and instrument panel circuit board. If all these component are okay, replace fuel gauge.