Fuel Gauge Simple Test
Disconnect fuel sending unit connector wire at tank unit. Connect a 12-volt, 3.4-watt bulb to harness side of connector, between power terminal and ground. To locate Test Point, see Fig 1 For Laser or Fig. 3 for Talon AWD.
Turn ignition switch to ON position. Ensure test bulb flashes (or stays on) and fuel gauge needle moves.
CAUTION:
Gauge coils can be damaged if wire is grounded too long. Perform test as quickly as possible.