LED Light for Fuel Gauge
Fuel gauge lit by LED light The fuel gauge of our Zenith 601HDS consists of a nylon tube displayed in a slot of the panel. The system is cheap and reliable: WYSIWYH "What You See Is What You Have." Over twenty years, the tube gradually turned to a dark brown that made it hard to read the fuel level, particularly in bright sunshine. The discoloration problem was easily solved with installation of a new tube. But it still was difficult to read the fuel level; it seemed harder than I recalled from years ago, when the tube was still clear. This was likely due to the fact that autogas is no longer colored the way it used to be, when brands wanted to differentiate themselves. In fact, gasoline has become a truly generic product, with refineries swapping fuels any which way to reduce distribution costs. Something new was needed. Enter LEDs: Cheap, low power consumption, available in various shapes and sizes, as individual lights or in strips. Our display problem called