Miles Posted November 16, 2002 Share Posted November 16, 2002 I just installed an Autometer gas gauge (for Ford) in my 72 240Z. Before I installed the gauge I bench tested it with a new sending unit using a 9 volt battery and the gauge would go from empty to 3/4 full as I moved the sending unit float from empty to full positions. Once installed in the car the gauge only goes to about 1/4 when the tank is full. I assume I installed the sending unit correctly as the base of the unit has an alignment notch that aligns with a tab on the tank. I also visually checked that the float moved vertically brfore I locked the unit in place. As I recall I need to add some resisters. I don't have an ohm meter so what would be good starting values for the resisters? Thanks Miles Quote Link to comment Share on other sites More sharing options...
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