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Old Jul 11, 2007 | 12:23 PM
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junkenstien
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fuel switch

I have a 1977 F250 with dual tanks. I have discovered that a previous owner? has disconnected the fuel lines from the switch that is located under the cab on drivers side. The switch has an inlet on each side with one having two ports. My question is which fuel line goes where. on the port that has two positions one is marked aux is this the inlet for both tanks?
 
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Old Jul 11, 2007 | 05:30 PM
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Should have 2 in and 1 out. I believe that AUX would go to the front tank since the rear tank is standard on the truck.
 
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Old Jul 12, 2007 | 07:17 AM
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junkenstien
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thankyou for your help
 
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Old Jul 12, 2007 | 07:27 AM
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NumberDummy
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1975/77 F100/350 fuel tank selector valve

The valve may have been disconnected, because it failed. The valve is still available from Ford.

1975/77 F100/350

D5TZ9189B .. Fuel Tank Selector Valve -marked: D5TB-9F271-AA

FTE sponsor DIRECTFORDPARTS gives a parts discount to members, and shows the valve at $91.17 List Price / FTE Member Net $64.44
 
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Old Jul 13, 2007 | 12:12 PM
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junkenstien
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thanks bill
 
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