Question about Ford F-150

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Truck has 6v to fuelpump I need 12v is it a relay,which one

I have a 2001 ford Harley Davidson Truck 5.4 4door not supercharged.I started taking out fuses one by one,next thing u know it doesnt start.I was told that it only had 6volts to the fuelpump intead of 12volts.I need to see if maybe its a relay or the ECM.I dont have the owners manuel to check relays so if there is an answer or is there a website I can look at it.Thanks

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Go to "AutoZone.com" and search through that web site. It's got alot of do-it-yourself stuff, but you have to look around for it. Be sure to look for some of the areas at the bottom of the pages once you put in your vehicle info.

Good Luck

Posted on Apr 17, 2009

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Posted on Jan 02, 2017

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2003 ford f150 harley davidson Supercharged.everytime i accelerate the truck is making a squeak noise sounds like its coming from left back of supercharger. Change 1 driveline idler pulley.any help


Sometimes an exhaust leak will sound like a squeak. Could be a crack in housing too. There are more Experts here who have hands on experience with your model. Can also suggest places like Ford4x4 sites and similar offroading sites or F150 Club etc.

Jan 27, 2017 | Ford F-150 Cars & Trucks

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2001 ford F-150 Harley Davidson edition will not start all the time or stay running


yes it can be the ignition, starter, wiring, short, ecu box is fried, etc etc etc. never take em to the dealer they mess things up just to get more money.

May 27, 2012 | 2007 Ford F-150 Harley Davidson

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2001 blazer wont crank, headlights come on when key is off,can get truck to run after taking cover of starter relay,and fuelpump relay turn key on, and manually push relays to start.


At the moment, I'm only talking about starter relay. The starter relay has two sides, the load side and control side. The load side is that line with arrow, terminal 30 and 87, terminal 30 is hot all the time, plus, see that fuse on the load side. If you unplug the starter relay, key in the on position, on position is where dash lites come on, Then use jumper wire between terminals 30 and 87, at the least it should crank the starter motor and it might start. If you try that, make sure tranny is in park or neutral and parking brake is set.
If you get a reaction, the problem should be on control side of starter relay, right side in the picture. Terminal 85 and 86, the control side needs voltage and ground. You can see crank fuse, goes hot with key in the crank position, not only check fuse check for voltage on fuse circuit. As you can see, on the control side the neutral or clutch switch, depending on the tranny, is involved The ground for the control side is a chassis ground. As far as the fuel pump, other than the initial prime, fuel pump will not run w/o rpm signal, you have to crank it to get rpm signal.
starter relay-cyhsnjevi1lis2padjpmzkvw-3-0.jpg

Jun 30, 2017 | 2001 Chevrolet Blazer

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Truck will not start,no fuel pump sound with key on,getting 4volts to each pump 7 volts at reset and 12 at relay,truck has spark w/starting fluid but no fuel supply


Needs 12v to run pumps. Bad grd at pumps?. or possible bad relay try by pass relay. also some were controlled by eng oil press switch off - on try by pass and check for proper voltage. You can also by pass all devices and power pumps by 12v.

Apr 28, 2011 | Ford F-250 Cars & Trucks

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2001 ford focus code p1237 showin will not run how do i fix it


Hi hope I can help.
P1237 : fuel pump secondary circuit FD driver module.
What you need to do is check the voltage at the fuel pump.
Hook your meter to the fuel pump and have a helper turn on the key.
You should see voltage for 2 seconds , you can also hear the pump buzz when it turns on.
If you don't hear the pump turn on, but you have 12v at the pump your fuel pump has failed
If you don't get nether pump or voltage . then check your fuel pump relay.
Hope this helps Please leave feedback
FixYa.

Mar 04, 2011 | 2001 Ford Focus

1 Answer

Truck acts like it wants to start but it won't turn over, changed fuel filter. now i need to find out where and what to check out next. thanks in advance:)


The Inertia safety switch may have tripped on you. Depending on which Model of Ford you have, the Inertia switch is in different places. The most common place is at the top of the Drivers kick panel or the Passengers kick panel. Sometimes a hole is provided to allow a finger to pass through to press a button on top of the switch. On other Models, the kick panel must be removed. Yet a third place would be behind the glovebox around the computer.

When you turn the Key to Run, a short burst of the fuelpump will pressurize the system and then it waits until the engine starts, then continues running. You should hear the fuelpump run. When the button on the Inertia switch is pressed it makes a circuit.

Your truck should also have a Relay for the fuelpump and the Ignition. If the Inertia switch reset does not help, one of the Relays may be bad. Check whether you have spark at the plugs and go from there. If you have spark, you may not have fuel and need a fuelpump Relay.

I hope my solution is helpful to you.

Jan 05, 2011 | Ford F-150 Cars & Trucks

1 Answer

I have a 2001 Ford F150. It turns over but will not crank. Tried to jump it off but will not start. Gages and lights work inside. What does that sound like to you? Someone mentioned a fuel pump module....


That may be the problem, you would have to do one thing to make sure and that spray starting fluid into the throtle and if it starts for a few seconds then i would say its the fuelpump module, a fuelpump module is a unit with the fuelpump and preasure sensor and sending unit as one i will show you a picture, this unit is located inside the gas tank the tank will need to be dropped in orderto install the pump module, in goes in on top of the tank after tank is removed,johnjohn2_15.jpg

Nov 08, 2010 | 2001 Ford F150 Styleside SuperCrew

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2001 ford windstar keeps stalling


the fuel pump relay is weak

Mar 07, 2010 | 2001 Ford Windstar

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Replaced battery and alternator on ford ranger battery still wont charge and truck dies


check to see if 12v at alt power terminal then unplug three wire connector with key on should have 12v at green wire with red stripe 12v at black with orange (could also be grey with yellow)may be a white with black wire with 6v when running plugged in

Oct 05, 2009 | 2000 Ford Ranger SuperCab

1 Answer

New fuelpump & relay, fuelpump want come on.


check all those item again, especially the crank sensor, check the fuel pump by adding 12v to it, make sure its good. tun on key, make sure your getting 12v from fuel pump wire

Jul 30, 2009 | 1996 Chevrolet Cavalier

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