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MD4x4 Fireman
10-24-2007, 07:14 PM
When I turn the key on it goes to full and when I turn it off it drops to just below full, when I flip the switch the guage moves a little. My truck has 2 tanks and 1 tank only has 1 gallon it in and the other has around 10 gallons in it. Why is it not working and how do I fix it.
MD4x4 Fireman
10-25-2007, 11:26 AM
someone please help, its another thing thats holding me back from getting the truck inspected
unplugged
11-02-2007, 02:03 AM
Sorry, Matt. Most likely a bad fuel tank sender. Could be bad wiring, or bad ground. It will take some digging on your part. Start by dropping the tanks and having a look at the senders and the condition of the wiring at the senders and tank switch.
MD4x4 Fireman
11-02-2007, 08:07 PM
Sorry, Matt. Most likely a bad fuel tank sender. Could be bad wiring, or bad ground. It will take some digging on your part. Start by dropping the tanks and having a look at the senders and the condition of the wiring at the senders and tank switch.

i dropped the tanks. the sending units in both tanks worked before i replaced the tanks, i am not good with wiring so is there a way i can check if its the switch thats the problem? i want to do the easy things first. all of the connections i could see were good.:grrrrrr: