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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

Front Pump Problem

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Old Aug 12, 2006 | 01:05 PM
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JOHNNY254
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Smile Front Pump Problem

Have 88 F250 351w, New Switch In Dash, 3 New Pumps In, New Filter, But When I Change Tanks It Dies On Front Pump, Rear Pump Works Fine, I Have Selector Valve To Put In But Will This Fix My Problem, Relay Doesn't Seem To Sound Right Because Rear Tank Works Fine, But Does Each Sender Have Individual Relays. Any Help Will Be Appreciated. I Haven't Checked Wiring Yet But This May Be It.
 

Last edited by JOHNNY254; Aug 12, 2006 at 01:25 PM.
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Old Aug 12, 2006 | 05:39 PM
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subford
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From: Easton,Ks
Originally Posted by JOHNNY254
I Have Selector Valve To Put In But Will This Fix My Problem, Relay Doesn't Seem To Sound Right Because Rear Tank Works Fine, But Does Each Sender Have Individual Relays.
More than likely the Selector Valve will fix your problem. No each tank does not have its own relay, you only have the one for both tanks.

Here are some diagrams that might help:


http://i54.photobucket.com/albums/g9...-89FSeries.gif

http://i54.photobucket.com/albums/g9...Fuelsystem.gif
 
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