The fuel quantity will not register when the switch is pressed for one tank on our lower helm. Both gauges work fine on the upper helm. I looked under the panel and do not see any missing wires. I have not been able to find a wiring diagram for the circuit. We do not use the lower helm, but it bugs me that it does not work.
Any trouble shooting suggestions?
3608 Fuel Gauge Not Reading
- Seaplane Steve
- Scurvy Dog

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- bud37
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Re: 3608 Fuel Gauge Not Reading
First things first...check the switch, maybe some corrosion etc......put a meter across it and see if it is actually doing something.
FWIW.....The above is just my opinion.