Gauges (All Except 760 GLE)
Disconnect sending unit wire from suspected gauge. Connect 100 ohm test resistor between gauge terminal and ground. Gauge needle should be horizontal. If so, sender is bad. If not, gauge is faulty.
Disconnect sending unit wire from suspected gauge. Connect 100 ohm test resistor between gauge terminal and ground. Gauge needle should be horizontal. If so, sender is bad. If not, gauge is faulty.