Discussion
I wonder if any the electronic chaps on here can help. I have fitted a gauge wizard from spiyda to control my fuel gauge. I am sick of the inaccuracy with the standard gauge. I have set everything up as per the instructions and it seems ok except that setting the gauge needle positions was a little odd. For instance, if I program the position of the needle for empty, it seems fine until I switch the ignition off and then back on. The needle moves to a slightly different position just lower than it was set to. I could probably live with that as it would still be more accurate than what I have currently. But this is the problem. I currently have less than 5 litres of fuel in the tank and the gauge shows empty with the ignition on. But when I start the engine, the gauge jumps to just under half a tank. I have checked all the resistances and gauge needle settings and it all looks ok. Can anyone shed any light as to what might be happening or what I can check to correct this?
Thanks
Thanks
I've tried two different fuel gauges and they both do the same. Could this be due to there being no voltage stabiliser for the fuel gauge. The gauge wizard people have suggested that without a voltage stabiliser, the engine running is causing a higher voltage on the fuel gauge. Does that make sense?
Well, I seem to have solved this problem at last. I now have an adjustable voltage stabiliser fitted and it seems to be working. I had one false start when I adjusted the voltage stabiliser to give 12 volts and this still gave the same problem. In my ignorance I thought that as long as the voltage was stable, the variable resistance would change the current through the gauge and all would be well. But I was wrong. It has to be 10 volts or the gauge still doesn't match the reading with the engine not running. You live and learn.
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