Water/fuel seperators....

IDIoit

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FIRST OF ALL I WOULD LIKE TO THANK ALL OF YOU!
THIS SITE WOULDNT BE WHAT IT IS WITHOUT ALL OF YOU GREAT FOLK.

i have gotten my 87 to run pretty good.
there are still a few issues i need to resolve.

i have a early 94 7.3 swapped out for my 6.9

my stock water/fuel seperator sucks! no...literally sucks.. air...
i can not find a replacement! not even through ford!

i believe that the 7.3 has one incorperated with the fuel filter, however i have no clue how to wire it in.

there are 2 wires on the W/F seperator of the 7.3 that i have not wired.
how do i go about switching?
 

theguruat12

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It will work without any wires. If you want the Water In Fuel light to work, there's a little module that you need to wire up to the sensour in the bottom of the bowl. The big clunky sensour on the top that sticks out to the side is the for the "FUEL FILTER" indicatour, it's just a vacuum sensour that turns on the light when there's not enough pressure coming out of the filter.

Basically, the bowl sensour can only pass a tiny amount of current, so it needs to be hooked to a solid-state relay module that can pass enough current to trigger the "WATER IN FUEL" indicatour. You'll need this module, it's a small black box with four wires plugged in. One goes to constant power, one to ignition power, one to the fuel bowl sensour, and one to the indicatour. I haven't wired mine yet, so I do not know which wire is which. See the diagram labeled "Instrument Cluster" in this post for help:

http://www.oilburners.net/forums/showthread.php?44434-Wiring-Diagrams-(1989)
 

ironworker40

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IDIoit

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thanks guys, ill be buying the clear bowl seperator. screw those wires..lol
 

ironworker40

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Your welcome. That 71 Camper Special in your sig. Is that the one with the spare stored in the side of the bed and the set back rear axle?
 

IDIoit

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I have never seen that before.
That is fricken awesome!
No this CS has the tool box and the spare in the normal spot.
My dad bought this truck in 78, I'm the third owner.
390 w/ forged lower end, 66 t bird heads
Edelcrap performer and a quick fuel.
Being ignited with a petronix.
2wd, granny low, d70HD out of a late 80s f450
W/ 4.11 I would almost attempt to chain up to my 7.3T
 

snicklas

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I believe it was only the Dentside (73-79) F-350 Camper Specials that were built like this, and it may have only been the early ones, 73-76 before the grill change. I have seen more that one, and all the ones I have seen are in the Early Dentsides......
 

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