Question about 1988 Dodge 600

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Fuel gauge not working

Checked fuses and all the easy stuff but still no clue on what to to do next

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On that particular model if my memory serves me well, the harness for the fuel pump and sending unit, goes in at back of tank, right where it's pretty good at collecting dirt etc all around it. I would take the time to get under there and clean area around sending unit/fuel pump. Once that's cleaned off as best you can, remove wiring plug & clean & inspect the contacts in it, as well as on tank unit with electrical cleaner, then add some di-electric grease to contacts before putting it back together. Also, follow harness back from tank a little way, as there might be another connection in that area, that you can pull apart & try the same. All that will cost is about $5-$10 in spray & lube, and a llittle of your time.

Posted on Mar 11, 2009

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I am assuming that you have checked all the wires going to the fuel gauge under the dash. Next check the wires on top of the fuel tank, make sure that the ground wire is secure, you may have to drop the tank to do this, but if the wires are ok the fuel sending unit is bad. Its inside the tank and accessable by removing the screws holding it to the top of the tank. Be careful, you may want to run it low on gas before attempting this, makes it easier. Good luck. Dont forget to rate.

Posted on Mar 11, 2009

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