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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

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  #16  
Old 04-12-2012, 10:09 AM
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Here is a link you can go too for the information:
Fuel Injection Technical Library » How To Run a Self-Test

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  #17  
Old 04-12-2012, 03:49 PM
part timing part timing is offline
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Quote:
Originally Posted by klricks View Post
See the link in my signature below for info on how to run the self tests and retrieve codes. I also have a writeup on the dual tank switching system.
Your link is not working.
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Old 04-12-2012, 04:14 PM
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Quote:
Originally Posted by part timing View Post
Your link is not working.
Can you give any details or error messages?
Thanks
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1986 F150 XL - Short Bed - 5.0 (302) EFI - AOD - 4x4 - 31x10.5x15 - ARB Air Locker - Flowmaster dual out.
http://home.budget.net/~klricks/F150/Ford86F150.html
(OBD1 code reading and fuel system info)
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Old 04-13-2012, 08:14 AM
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Internet Explorer cannot display the webpage
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Old 07-13-2014, 07:59 PM
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SubFord - I found your fuel tank selector switch thread searching for the wiring diagram for that switch on my 1977 F-250. I also see that you have a 77 F250. Can you help me track down the same sort of diagram for our truck? We are troubleshooting a dead fuel gauge and have tested a bunch of things including ground at the send units, ohms there, pulsing 5v from the IVR, etc, but cant quite figure out the ins and outs on that fuel tank switch and think since the gauge reads dead on both tanks, and all seems to be in order with the send units, it must have something to do with the path through this switch. The switch does work to actuate the actual fuel tank/line switch solenoid. Switching tanks at the switch works, but no reading on the fuel gauge.

Thanks for any help you might offer.

Jeff
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Old 07-13-2014, 11:45 PM
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My 1977 only has one tank and it is in the cab behind the seat.
Here is how it is wired, the diagram is for an 1983 but just looking at the fuel select solenoid that is the same except the fuse is F3. Power on tho the solenoid selects the front tank (mid) and with no power it is the rear tank (aft).:
Click the image to open in full size.

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95 F150 302 4R70W EB EX-CAB
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83 F150 Flare Side 351W AOD
77 F250 351M-2V NP 435/4 Speed 4X4
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  #22  
Old 07-14-2014, 11:49 AM
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Thank you

Quote:
Originally Posted by subford View Post
My 1977 only has one tank and it is in the cab behind the seat
Thank you for the response and diagram. Do you know where I should look to find the wiring diagram for the tank switching system on the 1977 F250? I have the Haynes, Chilton and set of 5 pdf versions of this thing's manuals but none has this wiring diagram.
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  #23  
Old 07-14-2014, 02:52 PM
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My bad - Your Diagram Should do the trick

My bad subford > this diagram shows both single and double fuel systems. Note the grey box called"Fuel Tank Selector Switch"...it feeds the gauge from either front or rear tank through the yellow/white wire to connector C208A. That could be the point common to both tanks we're looking for!
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  #24  
Old 08-18-2014, 08:05 PM
epdukes13 epdukes13 is online now
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subford- FUEL TANK SELECTOR VALVE

[quote=subford;11652239]Location as said above is on the drivers side frame rail under the bed:

Fuel tank selector valve:
Click the image to open in full size.
Click the image to open in full size.


Hey Subford, where's the best place to buy this fuel tank selector valve, O'rielly's nor AutoZone don't carry them or they carry a electric type.fficeffice" />>>
Can it be cleaned out, having intermittent problems with it selecting the rear tank pump?
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  #25  
Old 08-18-2014, 11:00 PM
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Most just order them from a Ford dealer but you will need the part number.
Some have cleaned them with limited success.

Part number:
Selector valve assy, p/n F1UZ-9B263-B.
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95 F150 302 4R70W EB EX-CAB
94 F53 460 E4OD COACHMEN SANTARA RV
83 F150 Flare Side 351W AOD
77 F250 351M-2V NP 435/4 Speed 4X4
subford@gmail.com
Bill K, Kansas Chapter
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  #26  
Old 09-07-2014, 07:01 PM
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Bob Petersen Gyrogyrloose
Rock auto carries selectors, switches and relays.
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Old 09-07-2014, 07:01 PM
 
 
 
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