Quote:
Originally Posted by Titomars
yes it will. The gauge does not care how many tanks it is hooked through. The switching is at the tank selector switch.
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The gauge is the same regardless of the number of tanks. I drew up a wiring diagram for someone that wanted to use three tanks. I believe it took 2 switches and 2 valves.
You may be interested to know... The basic damped air core movement is the same on all three small can gauges and for that matter the big fuel gauge. The parts that change are the bias resistor, bias resistor stud location, graphics, and faceplates. EXCEPT the 73-75 ammeter...
The small and large fuel gauges use the same bias resistor on the same studs.
You should be able to re-purpose one of the other gauges to fill the lower left hole using a set of gauge overlays and the correct bias resistor on the correct studs. It depends on whether you can find one of the three that has the correct mounting hole locations on the sheet metal face.
73-80 switch the sender through the dash switch.
81-91 use a motorized valve to switch the fuel flow. That valve has a switch to handle the gauge senders as well.