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Reply to "Gas Gauge suddenly reading backwards"

The explanation for my instrument weirdness was that my wiper switch is a headlight switch. Good so far although surprising at first discovery; does everything a wiper switch should do. Only problem was that the gauge lights brightness connector on the wiper switch was also wired, so if you turned (rather than pulled) the wiper knob, you were varying something back there from 0 to 12v. Have you twisted your wiper knob recently?

Or are your gas gauge contacts exposed in the frunk where something could short across them?

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