you said you changed the solinoid.on the 460 with electric fuel pumps, there is a wire on the solinoid to run the fuel pumps . you have your line from the battery on one side.the wire that goes to the starter on the other side,the two big ones.then the two small ones. one is to engage the solinoid for starting,the other is for running your fuel pumps.when the wire fell off of mine my truck only ran for a short bit also.good luck p.s. i cann't spell very well eitherand my grammer sucks also. don't need it to run cranes brian

 

86 bigred ,,,what color wires are on your soliniod,,,please can you draw a diagram or something and post ,,maybe a pic would be nice ,,,mine has a wire that hooked to the pos side of the soliniod that is green and it also about 6'' or so down that green wire are other wires conected to this green wire it has a tag with a w,,, (factory) and the other wire on the neg is black,,,please if so post pic or diagram thanks bro ,,,JOE

 

If joecool has the "hot fuel handling" system he might find that it gets power in 'start' directly, but from the oil pressure switch in run.***
It will take some cranking to fill the float bowls back up. Then when he lets go of the key when it catches the pumps would shut off and and they would run dry again.

Do you have an oil pressure issue? Is the switch bad? (it's the can screwed into the top of the block at the back of the intake manifold)

I really think he should get a diagram and follow these wires.
I would link to a post or thread, but see that Subford's photobucket diagrams are no longer available.
Franklin2 seems to understand this as well.....

Try "search"

 

MAN I TELL YA ,,I AM SURE GOING CRAZY ,,,AND SURE ARE APRESATAVE, OF EVERY ONES THOUGHTS,,,,THANKS,,,,I HAVE NOT CHANGED THE OIL PRE SWITCH BUT DID UNPLUG IT AND STARTED IT ONLY TO DIE???BUT I AM SURE ITS WORTH A TRY ,TO CHANGE IT as that does make since???THANKS AGAIN AND I HAVE SEARCHED THE WEB DAY AND NIGHT FOR DIAGRAMS OF A E-350 WHAT EVER,,AND HAVE HAD NO LUCK,,THE WIFE DOES NOT UNDER STAND WHY I AM AT EDGE ALL THE TIME ,,AS WE MEN NO SOME THING LIKE THIS WILL DRIVE A MAN INSAINE..LOL.. TRYING TO STAY STRONG AND ITS WORKING BY GETTING GREAT ADVICE FROM THIS SITE ,,ONCE AGAIN THANKS BROS,,,joe as i replace another part..p.s. also it does have the hot fuel system

 

No need to replace parts at random hoping to find something that "fixes it".
Just check to see that the switch is working and that you're getting power to the fuel pumps in 'run'.

Because from what I can understand of your posts it's not pumping fuel unless you're cranking it over????

I don't have this system so I can't go out and check. But I understand it in theory.

*edit* I would also check that you're getting power at the fuel pump relay in the 'run' position.

 

No Power At Fuel Relay ,,unless I Turn Over The Key To Crank It ?????

 

There you go!

 

Now What Should I Do ????thanks

 

CAN SOME ONE TEST THE WIRES INSIDE THE HARNESS FOR THE FUEL PUMP RELAY AND TELL ME WITCH WIRE IS HOT WHEN YOU TURN THE KEY,,,,to the on position,,(ELCTRIC PUMP) THANKS joe

 

joecool3, Been reading your problem had the same on my 82. Your power should come from the oil pressure switch, the oil pressure switch will only close when there is pressure. You will not read voltage in the run position unless the engine is running. You can bypass the oil pressure switch by connecting the two wires together and take it out of the equation. If this does not cure it, check your ECM duraspark II for a proper ground. Just take a wire and run it from on the bolts that connect it to the fenderwell to a hard ground on the frame that cured my problem. Mine also started when I changed my ignition coil, and your green wire should go to the tach. Hope this helps out. I would ground the Duraspark II first.

 

well i grounded it ,,twisted the two wires from the oil sensor ,,,nothing,,still have the same semptions,,,,i have got to find a wireing diagram for this vihic,,,,if some one only could take a pic of there soliniod were i can see if all is well there,,as well with the fuel relay deal,,,later bros JOE

 

The schematics in my old Haynes Auto Repair Manual are so poorly published (small illegible print) I can't even read them from the book. If someone has a Chilton Manual they may be better, not sure. Otherwise I would send you a file (pic) or 2 of the "run" circuit schematic.

Joe, this would be a good time for you to go get a Chilton Manual if you can find one or even better a Ford Shop Manual (wish I had one too).

Good Luck

 

here is a picture, if this works

 

the red one is the wire for starting, the one to the right of it is the hot start wire for the fuel pumps.it's black and there is a fusable link on it good luck

 

Big Red Hey Thanks For Pic And Post ,,but I Do Have One Like That But It Is For The Coach Side ,,but Does Ingage When The Key Is Turned ,,but I Have Two Batterys And The Other Is The Truck Battery Were Every Thing Hooks For The Truck ,,well Actually E-350 Motor Home , And The Soliniod Is Diff On That Side (pass),,,but Thanks ,,i Did A Search On My Model And Found A Guy In Colorado That Is Going To Call Me And Send Pics Of Wireing ,,plus He Is A Mec Ford In Colorado???wow,,what A Blessing,,he Said He Will E-mail Pics As He Has The Same Motor Home As Me ,,thank God,,he Said If E-mail Didnot Solve The Problem Then He Would Call ,,and If That Didnot Work Out ,,hell He Said He Might Take A Vac To Florida And Help A Brother Out ,,,wow Is This A Angle Or What ,,,so Hopefuly After We Talk As We Are At The Trucks At The Same Time We Can Fig It Out ,,wow,,,i Will Post As Soon As I Here Some Thing ,,,but As In The Post Above ,,fogive As I Cant Remember Who Posted ..but The Fuel Pump Relay Has No Power In The Run Position ,but Does Have Power When You Turn It Over ,,he Stated The Fuel Was Pumping When I Turn It Over And He Is Right ,,,so Is Possibly Some One Can Check What Wire At The Relay Harness Is Hot When The Key Is In The Run Position That Would Let Me No What Wire To Trace ,,,thanks Joe:-x0a6 P.S. MY RELAY IS UNDER THE GRILL TO RIGHT OF RAD AT TOP??