2003 expedition fuel pump relay fuse 34 full

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For the Ford Expedition Second generation,model year. To remove the trim panel for access to the fuse box, pull the panel toward you and swing it out away from the side and remove it. To reinstall it, line up the tabs with the grooves on the panel, then push it shut.

To remove the fuse box cover, place a finger behind the PULL tab and your thumb above the PULL tab as shown in the illustration, then pull the cover off. Instrument cluster. Exterior rear view mirror switch 17BPower seat switch, left.

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Driver seat module 14C Powertrain Control Module PCM 12ADeactivator switch, Third row folding seat relay, left, Third row folding seat relay, right, Power litigate module, Brake pedal positron switchSun load sensor 19EClockFunction selector switch assembly, front. RadioExterior rear view mirror, left, Exterior rear view minor, right. Electrochromatic inside mirror unitClimate controlled seat module, passenger side, Climate controlled seat module, driver side, Indicator flasher relayElectronic park brake release relay, Electronic park brake reset relay, Blend door actuator, rear 19EAuxiliary function selector switch assembly, front.

Instrument cluster, Low tire pressure module. Electronic park brake re lease relay, Electronic park brake reset relay. Passive anti-theft transceiver, PCM power relay.

Speed control fan clutch relay, PCM power diode. Power point, instrument panel 19N Power point, console 1.

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Power point, console 2. Power seat switch, right, Lumbar adjust switch, right front. Running board motor, left, Running board motor, right.

Climate controlled seat module, passenger side, Climate controlled seat module, driver side. Roof opening panel motor assemblyMaster window adjust switch Both consisting of 12 GA.

Gray Wire. Skip to content. Tags: Fuse box diagram Ford. Circuits protected. Trailer tow relay, parking lamp, Trailer low relay, reversing lamp. Integrated wheel ends solenoid. Speed control fan clutch relay. Instrument cluster, Traction control switch. Restraints control module 14B Four-wheel drive control module, Air suspension module Trailer electronic brake control connector.

2003 Ford Expedition, No Run, No Fuel Pump Operation, Code P0231

RadioSubwoofer ampliF1er 18C Trailer tow connector, 4-pin, Trailer tow connector. Trailer tow connector, 4-pin, Trailer tow connector, 7-pin. Ignition switch ABS control module 2CThis Ford Expedition came in with a no run condition. A quick check found no fuel pressure and a code P low voltage on fuel pump monitor circuit. I decided to go to the interior fuse box, where my wiring diagrams, stated the fuel pump relay and fuse are located.

There are a couple of covers that have to be removed. Since my wiring diagrams stated the relay was located in the fuse box, but did not give a specific position, I looked in the owners manual for more info.

No luck there. I did some reading and found that there are five internal, non serviceable relays inside the fuse block. I placed a jumper wire into the cavity to backprobe the circuit, no volts. Since my backprobe wire is part of a fused jumper wire, I connected battery voltage to the circuit and started the vehicle.

This told me that the fuel pump, inertia switch and related wiring were all okay. I checked fuse 34 with the key on and it had power and was good so that eliminated a faulty pcm relay and related wiring.

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It is in the lower right hand corner of the twelve cavity connector just below the connector that I am backprobing in the picture above.

When the ignition is turned on the reading was near zero volts and after a few seconds it went to battery voltage. This told me that the pcm was using a ground to energize the fuel pump relay coil. With all of this testing I knew without a doubt that the fuel pump relay that is part of the interior fuse box was faulty. Disconnect the battery first before removing the fuse block. There is a battery feed cable that also has to be disconnected on the rear edge of the fuse box.

It is located under a cover. I have pictures of that at the end of this post.

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I unplugged all of the wiring.Ad vertisements. In this article, we consider the second-generation Ford Expedition Uproduced from to Here you will find fuse box diagrams of Ford Expedition, andget information about the location of the fuse panels inside the car, and learn about the assignment of each fuse fuse layout and relay. The fuse panel is located under the right-hand side of the instrument panel behind the cover.

To remove the trim panel for access to the fusebox, pull the panel toward you and swing it out away from the side and remove it.

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To reinstall it, line up the tabs with the grooves on the panel, then push it shut. To remove the fuse box cover, place a finger behind the PULL tab and your thumb above the PULL tab as shown in the illustration, then pull the cover off. To reinstall the fusebox cover, place the top part of the cover on the fuse panel, then push the bottom part of the cover until you hear it click shut. Gently pull on the cover to make sure it is seated properly. How to check the fuses?

How to replace a blown fuse? Why do car fuses blow? Types of automotive fuses. Ford Expedition U; Table of Contents. Fuse box location.

2003-2006 Ford Expedition Crank No Start Diagnosis

Fuse box diagrams. Learn more: How to check the fuses? We use cookies to ensure that we give you the best experience on our website. If you continue to use this site we will assume that you are happy with it. Ok Privacy policy. Door lock switch illumination, Moonroof switch illumination, Radio delayed accessory signalFlip window switch. Driver seat motor switch, Driver lumbar switch, Adjustable pedal switch, Memory module. Power window' circuit breaker, Mam window switch, Window motors, Window switches, Moonroof module.

Power mirror switch, Power mirrors non-memoryDriver seat switch memoryMemory module logic power. Headlamp switch parklamps and switch backlight feedParklamps, License plate lamps, Foglamp relay coil, Trailer tow electric brake controller illuminationBSM autolamp, parklamps Foglamp indicator.

Rear window defroster switch, Rear window defroster indicator climate control headHeated outside mirrors.

2003 expedition fuel pump relay fuse 34 full

Trailer tow back-up lamps relay, Trailer tow 7-wire connector back-up lampsTrailer tow parklamp relay, Trailer tow 7- and 4-pin connectors parklamps. Moonroof switch illumination, Radio delayed accessory feedFlip window swatch, Flip window motors, EHAM antenna amplifier navigation radio.

Trailer tow electric brake controller, Trailer tow 7-wire connector electric brake. Console power points front and rear of consoleInstrument panel power point bench seat. Driver seat motor switch non-memoryMemory module, Power memory mirrors, Adjustable pedals switch and motor. Rear window defroster relay, Rear window defroster grid, Heated mirrors Fuse 8.So how do you find out what problems are occurring?

Any duplicates or errors? It's not us. Don't waste your time wasting ours! If you are interested in advertising a for-profit service, contact us. Find something helpful? Spread the word.

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Share on Facebook Retweet this page Email this page. Add Complaint. As my fiance was coming from work the car suddenly just quit on him while doing 75 mph. He guided the car to the side of the road to a complete stop. He tried to crank the car again to only hearing a buzzing sound. The first mechanic thought it was the starter so he changed it out. The vehicle still would not start but kept making the buzzing sound. The mechanic came out again to see what the issue was told me to change my relay switch I did still hasn't started up yet.

My vehicle has been sitting up for three weeks now. Sunroof leaks badly it has fuse box shorting out. When it rains my windows go up down alone. Keeps blowing the fuel pump reply. We have had to replace the reply 4 times in the last few days. After removing the reply from the fuse panel and looking at the port it is burning both fuse and fuse panel.

Search CarComplaints. This has happened 3 times, first time stopped at a red light, when foot was put onto gas to go vehicle instantly lost power with no stuttering or stalling and had to put in park turn key over to go again. Second time, going 65 down the highway vehicle suddenly acted like it lost power and speed decreased, pulled over to side of highway and put in park and started right up.

Third time, going 65 down highway started to act like it was losing power and showed dash lights as if all power was cut short and then gained all power back without having to pull over and restart. The truck would just turn off while driving at 55 or 60 miles an hour, no steeringwas on highway, no brakes put in neural to get to side of road with cars all around me.

The vehicle was stationary, when unlocking the vehicle with the keyless entry, it moved the sideview mirrors and never movws back.

I put the mirrors back where they belong and every following time when I unlock the vehicle with the key fob, it continues to do the same.Remember me. Hello and welcome to the Audizine Forums! As a guest, you are welcome to poke around and view the majority of the content that we have to offer, but in order to post, search, contact members, and get full use out of the website you will need to Register for an Account.

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2003 expedition fuel pump relay fuse 34 full

To start viewing posts, select the forum section that you want to visit from the selection below. Results 1 to 9 of 9. Thread: cranks but no start, no power to fuel pump fuse. Thread Tools Show Printable Version.

My Photo Gallery: 0. My Classifieds: 0. Register or Log In now! When you turn your key to the on position does the check engine light illuminate? If not more than likely your ECU has failed, probably due to the water. The fuel pump relay powers 28,32 and 34 fuses. Remove the relay and make sure the connectors are clean. Then test pins 3 and 5 for voltage when you turn the key. If you have 12 volts your ignition switch is good.

2003 expedition fuel pump relay fuse 34 full

Pins 1 and 2 are what close to send voltage to the fuses. I did manage to jump the relay and start the car once then unable to re start it. I used a fused jumper wire and applied power the fuel pump fuse. First of all, test the relay and the socket to see if they're good. Pull the relay.

There should be four slots in its socket. If this is not true, then you will have to go in one direction. If it is true, then the relay is likely bad if the fuel pump fuse 28 is dead.

Are you sure the fuse has the back probe terminals? I blew mine and the replacement fuse I bought didn't have them.

Made me chase a non-existent problem for an hour before I realized.Discussion in ' 2nd Gen - - ' started by NathanielMar 7, Log in or Sign up. Ford Expedition Forum. This site uses cookies. By continuing to use this site, you are agreeing to our use of cookies.

Learn More. Mar 7, at PM 1. Ok I have the expedition XLT and I thought my fuel pump went out but after a diagnostic found out my relay burnt out. WHY did they think that soldering the relay to the mother board would be a good thing?! And finally, WHY can't I find my exact part for my truck because my truck is a but was made in and my fuse box has a part and not so I can't use the fuse box that has the part?!

Mar 7, at PM 2. I'm sure you googled it but I did and see a lot of "this situation" as well as fusebox repair services Mar 7, at PM 3. Posts: 5, Likes Received: 1, Joined: Nov 23, If not or don't want to mess with it, their are vendors online, that can do it for you. You'll have to pull the fuse box off yourself, and have another vehicle to drive. I 'm assuming week turn around time.

If you have an electronics repair shop in your town, you might pull it bring the new relay, and fuse box to them. Number 3 makes sense, quick turnaround time. Sent from my N using Tapatalk. Mar 7, at PM 4. Mar 8, at AM 5. Last edited: Mar 9, Mar 8, at PM 6. GzLady likes this.Power mirror switch, Power mirrors non-memoryDriver seat switch memoryMemory module logic power.

Headlamp switch parklamps and switch backlight feedParklamps, License plate lamps, Foglamp relay coil, Trailer tow electric brake controller illuminationBSM autolamp, parklamps Foglamp indicator. Rear window defroster switch, Rear window defroster indicator climate control headHeated outside mirrors. Trailer tow back-up lamps relay, Trailer tow 7—wire connector back-up lampsTrailer tow parklamp relay, Trailer tow 7— and 4—pin connectors parklamps.

Fuel pump relay, Fuel pump shut-off switch, Fuel pump driver module, Fuel pump motor. Moonroof switch illumination, Radio delayed accessory feedFlip window switch, Flip window motors, EHAM antenna amplifier navigation radio.

Trailer tow electric brake controller, Trailer tow 7—wire connector electric brake. Instrument cluster high beam indicator, High beam headlamps. Console power points front and rear of consoleInstrument panel power point bench seat. Trailer tow battery charge relay, Trailer tow 7—way connector battery charge. Driver seat motor switch non-memoryMemory module, Power memory mirrors, Adjustable pedals switch and motor. Rear window defroster relay, Rear window defroster grid, Heated mirrors Fuse 8.

Power windows circuit breakerMain window switch, Window motors, Window switches, Moonroof module. Hi-beam relay: Fuse 35, Hi-beam headlamps, Hi-beam indicator.

Rear window defrost relay: Fuse 8 heated mirrorsRear window defroster, Heated outside mirrors, Rear window defroster indicator climate control head.

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Trailer tow battery charge relay: Trailer tow 7—wire connector battery charge. Trailer tow park lamp relay: Trailer tow 7—wire and 4—wire connectors park lamps.

Trailer tow back-up lamp relay: Trailer tow 7—wire connector back-up lamps.


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