Fuel gauge
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Fuel gauge
I have a 1967 F250, the fuel gauge doesn't work with either tank. I have checked both sending units. With the key on i get power to the back of the gauge. But it still doesn't read. Safe to assume the gauge is faulty?
Cargo Master
Joined: Feb 2006
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From: North Pole, Alaska
With the key on, did you momentarily ground the power lead to the sending units? Did the gauge move to full? If not, change the ICVR (Instrument Control Voltage Regulator) at the back of the IP before swapping the gauge.
Ford Parts Specialist
Joined: Nov 2006
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From: Simi Valley, CA
If the temp gauge works properly, there's nothing wrong with the ICVR
Senior User
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Your switch could be "bad". Mine was and I thought I'd have to replace it until somehow I found a thread on rebuilding the original one. If I can find it I'll post the link. In a nutshell though, remove the switch, pry the metal ears back carefully and be prepared. There are four springs, two tiny ball bearing, a plastic cradle and a fiber disc. The contacts gum up with the original dried out dielectric grease. Sand clean, some acetone, reassemble and it all works again. Just be careful to not like se the springs or metal *****. I did it and the gauge works perfect again! One way to tell easily if this is the problem is to press the toggle in. If the gauge started to read/needle moves and then goes back to E it's the switch. A little elbow grease and 10 minutes gets you a functioning switch/gauge.
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Tuned
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I may have saved the pics from that switch repair. If I can find them I will PM you and then email them direct. Maybe I'll make up a PDF on it. I bought the aftermarket switch but the toggle is a repo of the dent side switch and the position is reversed for our trucks and doesn't match the bezel. I'll see what I can do this week about it.
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Ford Parts Specialist
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From: Simi Valley, CA
1967/72 F100/350 Stylesides with in-cab tank and optional factory installed auxiliary tank have a manually operated fuel tank selector valve located on the floor adjacent to the drivers side of the seat.
The selector switch is located under the dash to the left of the steering column, its chrome bezel reads L FUEL TANK R .. This switch only changes the dash fuel gauge from one tank to the other.
1967/69: The fuel filler tube/fuel cap pokes thru a hole in the left quarter panel (bedside) above the scallop (Bumpside) line in front of the left rear wheel.
1970/72: The fuel filler tube/fuel cap pokes thru a hole in the left quarter panel below the scallop (Bumpside) line, in front of the left rear wheel.
Inside the bed is a shield that protects the fuel filler tube from possible cargo damage.
If the fuel cap is behind a door that is either screwed or riveted to the quarter panel, or if the truck has right and left saddle tanks, these are aftermarket auxiliary tanks.
The selector switch is located under the dash to the left of the steering column, its chrome bezel reads L FUEL TANK R .. This switch only changes the dash fuel gauge from one tank to the other.
1967/69: The fuel filler tube/fuel cap pokes thru a hole in the left quarter panel (bedside) above the scallop (Bumpside) line in front of the left rear wheel.
1970/72: The fuel filler tube/fuel cap pokes thru a hole in the left quarter panel below the scallop (Bumpside) line, in front of the left rear wheel.
Inside the bed is a shield that protects the fuel filler tube from possible cargo damage.
If the fuel cap is behind a door that is either screwed or riveted to the quarter panel, or if the truck has right and left saddle tanks, these are aftermarket auxiliary tanks.
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