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Discussion Starter #1
When I bought my truck I was told the the transfer valve was bad would that make the fuel gauge not work? I'm going to the junkyard this weekend to see if I can find a new switch to try first.
 

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Electrical Ogre
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12,276 Posts
The tank selector valve also contains contacts that switch the sending unit to the active tank. It is possible that the selector valve is causing your gauge issue. The dash switch merely sends power to the valve, and reversed polarity to swap tanks.
 
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