fuel sending unit from 24v to 12v

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mytmight
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fuel sending unit from 24v to 12v

Post by mytmight » Sat Aug 28, 2021 12:09 pm

Hello, any suggestions for converting a new 24 volt fuel sending unit to 12 volt?
Adding a resistor?


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Radar4xfour
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Re: fuel sending unit from 24v to 12v

Post by Radar4xfour » Mon Aug 30, 2021 8:10 am

The sending unit in itself is a resistor. Resistance isn't dependent on the voltage operating system. What does matter is what resistance the gauge is designed for. As long as the 12V gauge is matched to the proper resistance of the sending unit you will be fine.

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Radar

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mspeters
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Re: fuel sending unit from 24v to 12v

Post by mspeters » Mon Aug 30, 2021 2:31 pm

A 12-volt gauge for a “0-90 ohm sender” should work. I believe that is the value.

The programmable fuel gauges work well, provided the tank is out and/or you have access to get a reading with the sender both empty & full.


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