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Anthony
Anthony, Ford Technician
Category: Ford
Satisfied Customers: 11750
Experience:  ASE Master Automobile Technician with over 20 years exp.
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The gas gauge is not working on my truck 1988 ford ranger

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The gas gauge is not working on my truck 1988 ford ranger
Hello! Welcome to justanswer!

Can you get at the wires that go to the gas tank?
Customer: replied 4 years ago.
Yes I can get to them under the truck
Good morning!

Ok, can you see the yellow with white wire going to the top of the tank?
Customer: replied 4 years ago.
yes I can see th wires
Ok, what does the gauge read now and how much gas is actually in the tank?
Customer: replied 4 years ago.
the gauge reads below empty
Good morning!

Ok, can you see the yellow wire that goes to the top of the tank? It has a white stripe on it also...
Customer: replied 4 years ago.
I can see all the wires going to the top of the tank and can get to them If I need to test them. The gas gauge is currently all the way down on empty and does not move from that spot
Right, can you isolate the yellow one?
Customer: replied 4 years ago.
yes i can iscolate the yellow one
Hi!

Ok, unplug the wiring harness from the fuel tank sender. Then hook the yellow with white stripe wire to the frame or ground. What does the gauge read now with the key on?
Customer: replied 4 years ago.

I did the wires like you said and the gas gauge went up to full

 

Thanks,

 

Hello!

Good. That means all thats wrong is the sender in the tank is bad. All the wiring and the gauge are good.
Anthony and 2 other Ford Specialists are ready to help you
Customer: replied 4 years ago.

Do you have any diagrams on how to replace the sending unit. Is it possible to do this without taking the tank loose.

 

Thanks,

Steve

Hi!

That tank has to come out of the truck completely. Back in 88 they only had worded instructions...

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