Why is my fuel gauge not going below half?
Why is my fuel gauge not going below half? Find the wiring that goes to the tank unit (inside fuel tank) ground the yellow/brown wire while someone watches the gauge. If it does not move it is either a wiring problem from the dash or the gauge is bad. helpful? To test it, you need a tester that can produce resistance, or two resistors of the values shown. What do you need to know about fuel gauges? In an old-school classic with analog gauges, you'll need to know how the gauge works, as manufacturers used different electrical conductance to operate...