Engine turns no fuel pump noise
Thread Starter
Junior Member
Joined: Jan 2009
Posts: 19
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I read this thread carefully several times, but i'm obviously missing the point. It was about "something shorted to the ground and now it doesn't start", so i guess it's time to return it to the starting point. If you want to start diagnostics with fuel system, IMHO the easiest way is to trace voltage in the (+) pump wire from the pump (or pump relay) towards ECU, not opposite. If you want to check ECU - start with reading error codes. Just an opinion.
If I could get a decent wiring schematic to show me where wires start and go to would be just great.
If you want help, please pay attention to what has already been written.
Thread Starter
Junior Member
Joined: Jan 2009
Posts: 19
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Guess what guys! Yup it starts.
I owe all of you a big thanks especially David58 talking it through on the phone really helped. 
What it was was the R/Y wire coming from the inertia switch leads to the dash, behind the dash since there is no tank switch, it jumps to a red wire, so I jumped it from the R/Y wire to the R wire and she cranked right up. The BLK/O spade that was dead is now Hot! My wife snuck up behind me and screamed YEAAAAA and
she startled, ok scared me. So now I get to put the dash together, tighten up all the loose ends and will be good to go.
One thing I have learned schematics sources online suck.
All of you thanks for hanging in there and kept giving ideas, not all worked but did help the thought process to finally get this right.
Oh and I apologize for my wiring and location ignorance.
I owe all of you a big thanks especially David58 talking it through on the phone really helped. What it was was the R/Y wire coming from the inertia switch leads to the dash, behind the dash since there is no tank switch, it jumps to a red wire, so I jumped it from the R/Y wire to the R wire and she cranked right up. The BLK/O spade that was dead is now Hot! My wife snuck up behind me and screamed YEAAAAA and
she startled, ok scared me. So now I get to put the dash together, tighten up all the loose ends and will be good to go. One thing I have learned schematics sources online suck.
All of you thanks for hanging in there and kept giving ideas, not all worked but did help the thought process to finally get this right.
Oh and I apologize for my wiring and location ignorance.
Last edited by USMCord1; Jan 11, 2009 at 04:26 PM. Reason: Appology added.
ford newb
Joined: May 2009
Posts: 6
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From: Oklahoma City
sorry to bring back a dead thread but my problem is very similar but still having no luck.... went through and checked pretty much everything mentioned in this thread and havent gotten anywhere....
96 f150 dual tank straight 6....
pumps dont prime when key turned but will start if i spray starter fluid down the intake....
here is my thread if anyone can help that would be awsome....
https://www.f150forum.com/f10/96-f150-fuel-problem-24081/
96 f150 dual tank straight 6....
pumps dont prime when key turned but will start if i spray starter fluid down the intake....
here is my thread if anyone can help that would be awsome....
https://www.f150forum.com/f10/96-f150-fuel-problem-24081/
Member
Joined: Aug 2008
Posts: 68
Likes: 1
Im having the same issue with my 91 F150 just started tonight...great!
Where is the fuel pump relay located? I have checke and I have no power to the fuel pump. I have made sure the shut off switch is on.....replacing the relay is next then the computer....for a 3rd time!
Where is the fuel pump relay located? I have checke and I have no power to the fuel pump. I have made sure the shut off switch is on.....replacing the relay is next then the computer....for a 3rd time!
Junior Member
Joined: May 2011
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your diagram is right on i just replaced my f150 1994 front fuel pump and had to wire it to a different wire harness that came with it i wished that i would have saw this post it would have helped me alot.
Junior Member
Joined: Jul 2015
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I have a 96 twin tank 4.9 300, parked it and won't crank due to no fuel. I've started simple and replaced fuel relay, tank selector, fuel pump and filter. Truck gets a spark but I cant hear the new fuel pump and will run if I put gas in the intake. Other mechanics say it may just be the computer gone bad or ignition module. Any opinions?