LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Geo >> 1990 >> Tracker Base, Automatic >> Repair and Diagnosis >> Electrical >> Gauges >> Instrument Panel >> Testing >> Fuel Gauge Sending Unit
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Fuel Gauge Sending Unit

Disconnect battery cables. Remove fuel tank sending unit. Connect ohmmeter to sending unit connector terminals. See FUEL GAUGE SENDING UNIT CONNECTOR TERMINALS table. Position sender float/arm and ensure resistances are within specifications. See FUEL GAUGE SENDING UNIT RESISTANCE table. If sending unit resistances are not within specifications, replace sending unit.

FUEL GAUGE SENDING UNIT CONNECTOR TERMINALS

Models Terminal Wire Colors
Tracker Yellow/Red & Unit Ground
FUEL GAUGE SENDING UNIT RESISTANCE

Model Full 1/2 Empty
Tracker 1-5 28.5-36.5 112 -128