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Anonymous Posted on May 28, 2014

How can I run hot wire to my fuel pump

How can i run a hot wire to my fuel pump. I am sorry to ask a short question but thats my question. Ive been online trying to figure it out but still no luck. an ideas to help would be greatly appreciated thank you

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ed gibson

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  • Posted on Jun 02, 2014
ed gibson
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I would first try to bypass tank change switch and see if pump works then check power to pump at the tank youll have to drop the tank whether its the wire or pump check the switch first and the fuse if only one tank is working my problem was solved with new switch

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emissionwiz

Marvin

  • 85242 Answers
  • Posted on Mar 12, 2009

SOURCE: I have a 1988 Ford F150 that won't start. If you

go to the listed link below, they have the ECM (computer) for your truck, u have to use the exact same part number.

http://www.autocomputerexchange.com/?gclid=CIjj-ILHnpkCFRIcawodSgazCw

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motor1258

Mike Butler

  • 6674 Answers
  • Posted on Apr 14, 2009

SOURCE: Fuel pumps will not run!

Hey lets try this ! Locate your starter solenoid & look for a yellow wire marked with a "W" . That may be the fusible link for fuel pump. Let me know what you find.

Anonymous

  • 1 Answer
  • Posted on Aug 27, 2009

SOURCE: 1987 ford bronco engine wont start

I had the same issue on my '86 Bronco. Change the ECM(computer) and your problem will go away.

ZJLimited

ZJ Limited

  • 17989 Answers
  • Posted on Mar 30, 2010

SOURCE: Fuel Filter replacement on Ford 2000 Excursion - V10

1.- For identify the right fuse, check your 2000-Ford-Excursion-Owners-Manual position 112, 20AMP (Maxi Fuse); details in the page 138 and next.

2.- Ford Excursion, Expedition, Lincoln Navigator 2000-2005, Fuel Filter - Removal & Installation

NOTE A fuel line disconnect tool is needed for this procedure.
CAUTION Fuel injection systems remain under pressure, even after the engine has been turned OFF. The fuel system pressure must be relieved before disconnecting any fuel lines. Failure to do so may result in fire and/or personal injury.

  1. Before servicing the vehicle, refer to the precautions section.
  2. Remove or disconnect the following:
    Negative battery cable
  3. Relieve the fuel system pressure.
    Fuel lines from the fuel filter. Have a drain pan handy to catch any residual fuel once the lines are separated.
  4. On newer models, disconnect the fuel lines from the filter as follows:
    Safety clip from the male hose Install and push the fuel line disconnect tool into the female fitting.
  5. Remove or disconnect the following:
    NOTE Inspect the fuel lines for any damage after the fuel is finished draining. Male and female fittings from the filter Fuel filter from the bracket and the retainer, if equipped. Note the direction of the flow arrow so the replacement filter can be installed correctly.

    0e9d2de.jpg

    Fig. Typical fuel filter mounting along an under-vehicle frame rail

To install:
  1. Install or connect the following:
    Fuel filter into the mounting bracket with the flow arrow pointing in the correct direction Fuel lines to the fuel filter. Align and push the male tube into the female fitting until a click is heard. Pull on the fitting to ensure that it is fully engaged, then install the safety clip.
  2. Lower the vehicle to the ground.
    NOTE When the battery has been disconnected and reconnected, some abnormal drive symptoms may occur while the Powertrain Control Module (PCM) relearns its adaptive strategy. The vehicle may need to be driven 10 miles (16 km) or more to relearn the strategy.
  3. Connect the negative battery cable.

Hope this helped.

fordexpert

  • 5692 Answers
  • Posted on Oct 10, 2010

SOURCE: 1990 ford festiva no power to fuel pump. replaced

The pump should have a fuse in the fuse block. You need to check for power in the fuse block and you need to check power to the pump relay.

Sometimes there is a fusible link to the Relay. If you check the connector terminals for power where the Relay plugs in, you can determine if the fusible link has blown. You could have already replaced the bad parts and now need to restore power to the Relay.

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pull and check the fuel pump relay --if good will need to trace for possible wire short /grounding in harness or connectors
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Fuel pump keeps blowing fuses

The fuse is designed to protect your wires from melting due to current overload. faulty fuel pumps may use more power before failure, so Cody change your fuel pump and filter, the result will amaze you
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1993 Eagle Vision.. Car runs great... for 15 min. Then falls on its face..try to start..barley runs...rapidly pump gas pedal car will run barley. shakes and chokes and sputers... shut the car down for...

Could be fuel pump is going out. Its getting hot not working properly and when it cools down it works right again for a short period. Ive seen this happen several times.
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Starter motor went out on 92 5.0 ho replaced it and new battery, now fuel pump does not work I get a 542 code checked fuel pump relay and inertia switch both good fuse good

  • Code 542 indicates one of the following conditions:

Engine Starts:

· Fuel Pump secondary circuit shorted to power

· Fuel pump relay contacts always closed

· Open in fuel pump monitor (FPM) circuit between ECU and connection to POWER TO PUMP circuit

· Heated Exhaust Gas Oxygen (HEGO) sensor shorted to power

· faulty ECU

Engine Does Not Start:

· Open inertia switch or inertia switch circuit

· Open in or between ECU and fuel pump (This includes open in fuel pump brushes/windings)

· faulty ground connection at fuel pump

The easiest way to check this circuit is to go to the fuel pump relay. If the relay clicks when the key is turned to the "RUN" position, then the inertia switch circuit is ok.

The Pink/Black wire starts from the fuel pump relay and goes two directions. One side goes back to the fuel pump. The other side is the fuel pump monitor circuit and goes to pin #8 at the ECU. This wire should only be hot for a second or two when the ignition is turned to the RUN position.

The fuel pump relay receives power on the Black/yellow wire. It comes from a fusible link at the power distribution center. This wire should be hot at all times.

If all the above is working as designed, them you probably have a bad fuel pump.

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It also has a fuse. Have u checked for 12vdc supply at the fuel pump. U will only get this supply when the engine is cranked
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is it throttle body or is it carburated?
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Fuel pump relay

It sounds like there is a short somewhere. One of the wires going to your relay is touching bare metal somewhere, causing it to overheat, but not enough to make it stop working.
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