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Old 05-20-2017, 04:42 AM
tomw0 tomw0 is offline
Ford Ranger Driver
 
Join Date: Aug 2015
Posts: 1,086
Default Re: Fuel system questions

Could it be the sending unit float arm? That is made of narrow gauge steel rod, and could be bent by manhandling during installation. In that case, the bed could be removed, the sending unit & pump assembly pulled, and the arm bent back into proper position to allow the float & fuel gauge to possibly regain function.
If the gas gauge wire at the sending is grounded with the key ON, the gauge should go to full. If the gauge doesn't read, that is a test of the sending unit. If the gauge doesn't move, ever, it is likely that the voltage regulator on the backside of the instrument cluster is not producing the 7-ish volts to run the gauge(s), or the connector to the cluster is loose, or a fuse opened. Even the actual ignition switch on top of the steering column could be failing.
tom
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