Question about 1992 GMC Jimmy
Cool, so you never run out of gas... Actually the sender, in the tank is the most common issue.
Posted on Aug 22, 2010
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Posted on Jan 02, 2017
SOURCE: gas guage always reads full
It could be a faulty sending unit, which will require the removal of the fuel tank. Make sure all of your fuses are good before you do anything else, as all the gauges are electrical. It is possible you have a bad gauge, but 9 times out of 10, it's the sending unit.
Posted on May 24, 2009
The most likely cause is that the fuel sender in the tank is faulty or that the wiring to the sender is bad.
Less common causes are a faulty fuel guage or circuit in the instrument panel.
Test the sender as it is the most likely cause and easiest to eliminate.
First inspect all connections that are readily visible to insure that they are secure & free from dirt or corrosion.
Disconnect the fuel tank sender wire at the tank. The guage should continue to show full (ignition on). Ground the wire from the sending unit at the fuel tank to any good grounding point on the car. The gauge should go to "Empty". If it does this is a strong indicator that the sending unit is at fault.
Hope this helps. Please do rate my answer. Thanks
Posted on Sep 02, 2009
Two possible problems.... the temp gauge wire is a single green wire attatched to the driver's side head (no1 bank) near the front in the side (in front of plug #1) ground it and your gauge should go to full hot,,, same with the fuel gauge, if you unplug it at the tank it should go to empty, or visa versa... if the gauges respond, replace the sending units, if they don't, replave the instrument panel
Posted on Sep 12, 2009
Testimonial: "i would have given a 100 percent, but i've got more questions... but still very helpful"
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