If it solves the problem, you can be sure that the fuel pump relay is failing. And, you need to replace the bad fuel pump relay to solve the crank-but-won’t-start issue with your Ford F150. 5. Damaged Fuel Pump Driver Module (FPDM) The fuel pump driver module is a crucial component of the fuel system to work properly.There are four terminals on the relay. One is power, one is the pump circuit, the other two are for the magnet that closes the contacts.You jumper a wire between the power and pump terminals in the box.The relay is marked with a diagram and the pins on the relay are numbered. An expert who has achieved level 1.The lifespan of a fuel pump is typically 10 years, although the wear and tear on the vehicle over time can increase or decrease the lifespan of the vehicle part as well as the effectiveness of the fuel pump.All too often we at Late Model Restoration have noticed how hard it is to find a thorough Gen 1 (93-95) and Gen 2 (99-04) Ford SVT Lightning fuse panel diagram guide so we wanted to make this a little easier for enthusiasts like yourself. Please be aware that this information is for 1992-2004 F-150's, so there could be a chance that a certain ... The 2010 Ford F-150 fuel pump relay location is beneath the dashboard, near the steering column. Having the fuel burn efficiently is the key to maximizing Your miles per gallon. Your gas tank needs to be in the beSTShape. You will come into problems at some point. The gas tank might become loose. A bad control valve may arise. The gas …Ford expidition quit running randomly cuts off fuel pump quit.... part 2 https://youtu.be/3F4ALRKkHwk1994 F150/4.9 engine, automatic. Having a weird issue with my fuel pump relay. Let the truck sit for a few hours and the fuel pump won't run. -If I swap the relay out with any other identical relay in the box (horn relay for example) it starts right up. -If I test whichever circuit is now running on the fuel pump relay (horn), it works fine.In most cases if the fuel pump stays running its likely caused by a sticking Fuel pump relay and I would try switching it out with a known good one and see if the problem is resolved. The relay is the 303 relay in the interior fuse panel. ... I have a 2004 F150 Lariat with a 5.4L 3v engine that sounds like a diesel when idling, but runs great ...See more on our website: https://fuse-box.info/ford/ford-f-150-2004-2008-fuses-and-relayFuse box diagram (location and assignment of electrical fuses and rel... This article will discuss the procedure to bypass the fuel pump-shutoff inertia switch in Ford F-150 trucks, its pros, and cons. Wiring of inertia switch. Fuel pump inertia switch has typically closed contacts and cuts off the power supply to the fuel pump relay on a solid jerk. Wheel chocks. Most fuel pump relays are located in the engine compartment inside the fuse box. Step 1: Turn on the ignition key to run. Listen for the fuel pump to actuate. Also, listen to the fuel pump relay for any buzzing or clicking noise. Step 2: Start the engine. Check that there is oil pressure.Mar 18, 2014 · Daniel Chaidez. Technician. Diploma. 7,663 satisfied customers. 2004 ford f250 5.4 fuel pump relay location manufacturer. 2004 ford f250 5.4 fuel pump relay location manufacturer date is May of 2004. … read more. Aug 9, 2017 · 2004 f250 fuel pump relay repair. I had typed up a long well thought out first post but android crashed and I lost it. So here is the abridged rum and coke version: 2004 California spec F250 crew shortbed 4x4 5.4 2v 4.10:1 lariat 8800 gvwr. Diagnosed random stalling issues as bad fuel pump. 15A Fog lamp relay: 18: 10A Run/Start feed – Flasher relay (’04), Electrochromatic mirror, Heated seats, BSM, Compass, RSS (Reverse Sensing System), Power: 10A rail (’08), Run/Start feed – Overhead …About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...May 27, 2011 · Fuel pump relay is in battery junction box in engine compartment.The pump speed relay isn't readily serviceable as it is in PCM (computer) It depends on the year and engine configuration as to the location of the FP relay. There are multiple variations and you have know specifically what is being worked on. The fuel pump driver module controls the voltage to the fuel pump to maintain the optimum fuel pressure and fuel delivery to your engine. A failing fuel pump driver module may cause smoke on start-up, stalling, rough idle, hesitations, and engine misfires. Also, if you have a modified engine it may overwork a stock fuel pump driver module and ...2A 2003-2004: Brake pressure switch, Speed control: 15A 2005-2007: Tow haul, Blower relay, Electronic Automatic Temperature Control: 25: 10A 2002-2004: 4-Wheel Anti-lock Brake System (4WABS) module, Variable Fan Control (VFC) (2003-2004, Diesel) 26: 10A Air bags: 27: 15A Ignition switch Run feed: 28: 10A 2002-2004: EATC module, Front …That's the switch that's supposed to disconnect the fuel pump in the event of an accident, check your owner's manual for location. Usully behind one of the kick panels, usually on the passenger side. Quote: Not sure if year/model matter, but this is for a 2005 Excursion 4x4 6.0L Diesel. Indeed it does matter.Ford F-150 2004, Fuel Pump Relay Connector by WVE®. Replace your worn-out or faulty component with this quality replacement from WVE. This product is designed and tested to ensure the ultimate in durability and functionality.URO Relay URO-008584. Part # URO-008584. SKU # 474447. 23-Month Warranty. Check if this fits your Ford F150. $1069.2004-2008 Ford F-150 Fuse Box CJB Repair Service (Fuel Pump Relay) $129.99. Additional Options. Same Day Turnaround (+$50) Add To Cart. Pay in 4 interest-free installments of $32.49 with. Learn more. Watch the video below to see how to send us your unit! Description.The fuel pump relay is the electronic component found on all vehicles with an internal combustion engine. To “relay” means to receive and pass on, which it does when you turn your ignition switch from off to run position. The voltage supplied by this little device will be transferred onto the fuel pump so that it can keep up its function of running …My husband has a 2005 Ford F-250 Super Duty 5.4L (built in 2004) - Ran it about 3 miles, turned it off, wouldn't start. Would crank, but not start. Changed fuel filter, fuel pump and the Fuel Pump Dri … read moreFront Wiper Hi/Lo Relay: 301 — Fuel Pump Relay: 302 — Trailer Tow Battery Charge Relay: 303 — Not Used: 304 — Powertrain Control Module Relay: 305 — Fuel Pump Hi/Lo Relay (Lightning only) 306 — Inertia Switch Relay (Lightning only) 401 — Not Used: 501 — Powertrain Control Module Diode: 502 — A/C Compressor Diode: 503 — Not ...CASE 1: Fuel pump came on and the fuel pressure was at specification (35 - 45 PSI). This tells you that the fuel pump is OK. This test result indirectly tells you several things also: That the fuel pump inertia switch is OK (not tripped). That the wiring between the fuel pump and the fuel pump relay is OK. The next step is to make sure that the ...Do I need to put a "blocker beam" back. 1999 to 2016 Super Duty - 2015 f250 6.2 gas fuel pump relay will not turn on - Ok my ‘16 f250 6.2 gas truck with 115k but a newer 36k mile motor will not start. The only thing that was swapped was the motor because prior owner somehow blew a rod... Anyhow truck has need fine for more then a year after …However, you can always inspect the fuel pump fuse to see if it’s blown. To access the fuel pump fuse in a 2009 F150, follow these steps: Pop the hood. Look for the fusebox mounted at the front of the engine compartment. Open the fusebox. The fuel pump fuse is a yellow, 20-amp fuse located in slot 27. Pull the fuse, inspect it, and replace it ...The fuel injection computer then Grounds circuit 1. This activates the fuel pump relay to pass current from circuit 4 to circuit 3. Circuit 3 is the one connecting to the fuel pump (via the inertia switch) and delivers the voltage/current it needs to activate. Before this voltage reaches the fuel pump, it has to go through the fuel pump inertia ...With the MSS connector unplugged, measure the resistance between pins 2 & 3 on the MSS. Your readings should be approximately: 619 Ohms with the switch in 2H, 270 Ohms with the switch in 4H, and 130 Ohms with the switch in 4L. If your readings are significantly different, suspect a faulty MSS.Fuel pump relay, Fuel injectors, Intake manifold runner control (4.2L) 10: 20A* Trailer tow back-up lamps relay (PCB1), Trailer tow parklamp relay (R201) 11: 10A* A/C clutch, 4x4 solenoid: 12: 5A* PCM relay coil: 13: 10A* Climate control module power, Flasher relay: 14: 10A* WHERE IS THE FUEL PUMP RELAY ON 2004 FORD F-150 4.6L << Back to: rec.autos.makers.chrysler FAQ, Part 1/6. Question by MAC: Submitted on 7/11/2006: …Relay: R01: Starter solenoid: R02: Accessory delay: R03: Hi-beam headlamps: R04: Heated backlite: R05: Trailer tow battery charge: R06: Blower motor: R201: Trailer tow park lamps: R202: Fog lamps: R203: PCM: R301: Trailer tow backup lamps (printed circuit board) R302 – (printed circuit board) R303: Fuel pump (printed circuit board) R304 ... The fuel pump relay is an important component of the fuel system of your vehicle. The fuel pump relay gives the fuel pump power when it is time to build up fuel pressure in the rail. Whenever you turn on the ignition of your vehicle, the fuel pump relay is turned on. There are different reasons why the fuel pump relay fails.Replacement Style Fuel Pump Relay. This fuel pump relay directly replaces your faulty 1993-2004 Ford Lightning fuel pump relay! When your fuel pump relay is activated, it allows current to pass through the fuel …2004-2008 Ford F-150 Fuse Box CJB Repair Service (Fuel Pump Relay) $129.99. Additional Options. Same Day Turnaround (+$50) Add To Cart. Pay in 4 interest-free installments of $32.49 with. Learn more. Watch the video below to see how to send us your unit! Description.Okay, In the diagrams below I have included the wiring diagrams (enlarged just to show circuit) for the fuel pump circuit. It consists of a fused power supply to the pump, PCM controlled power, a 4 pin relay, the fuel pump, and three (3) ground locations, along with six (6) wires and a junction box.1 Answer Anonymous Master 984 Answers For the new body style F-150 the fuel pump relay is not a serviceable item, it is built into the fuse panel. The fuse is fuse 34 ( only for 04 & 05 MYs ) which is called Fuel injectors in the 04 Owners Manual. The other items 1. Fuel Inertia switch ( assume you checked this, but it was not called out ) 2.Passenger compartment fuse panel Ford F150 1997-2003. The fuse panel is located below and to the left of the steering wheel by the brake pedal. Remove the panel cover to access the fuses. To remove a fuse use the fuse puller tool provided on the fuse panel cover. Fuse box layout 1997-1998.09 F150 5.4. Here's the symptom: Truck turns over but will not start. No fuel pressure at the shrader valve on the fuel rail. Here's what I have checked: In the fuse box which is under the hood but above the radiator: Fuel pump fuse #27 - 20 amp fuse is good. Fuel pump relay #8 - swapped with relay #6 (trailer power) and it made no difference.2004 - 2008 F150; 1997 - 2003 F150; Lightning, Harley-Davidson F-150, Roush F-150 & Saleen F-150; 2015 + Expedition & Navigator; ... I had the fuel pump fuse burn up the other day. 2009 with 139k. Will check to see if dealer has this part in stock. Reply Like ... fuse to a different location but instead you are abandoning the tiny 20 amp …What this does is bypass the fuel pump relay and BCM ground altogether and puts power directly to pin 1 of the FPCM. To be sure, measure voltage at pin 1. If you get voltage at pin 1 of the FPCM, then check for voltage on pin 5 of the FPCM. This pin is what supplies voltage to the fuel pump.Apr 4, 2023 · The fuel pump relay is an important component of the fuel system of your vehicle. The fuel pump relay gives the fuel pump power when it is time to build up fuel pressure in the rail. Whenever you turn on the ignition of your vehicle, the fuel pump relay is turned on. There are different reasons why the fuel pump relay fails. If it solves the problem, you can be sure that the fuel pump relay is failing. And, you need to replace the bad fuel pump relay to solve the crank-but-won’t-start issue with your Ford F150. 5. Damaged Fuel Pump Driver Module (FPDM) The fuel pump driver module is a crucial component of the fuel system to work properly.location of fuel pump relay 3 Answers. Have the owners manual which indicates the location of the relay. Suppose to in slot 303 (C2279) between two large banks of relays numbered one through 6.. According to the diagram there should be... 2004 Ford F-150 XL.2002-2007 Ford Excursion F.250-F.550 Fuse Box CJB Repair Service (Fuel Pump Relay) 16 reviews. $149.99. Additional Options. Same Day Turnaround (+$50) Add To Cart. Pay in 4 interest-free installments of $37.49 with. Learn more. Watch the video below to see how to send us your unit!Replacement Style Fuel Pump Relay. This fuel pump relay directly replaces your faulty 1993-2004 Ford Lightning fuel pump relay! When your fuel pump relay is activated, it allows current to pass through the fuel …The fuel injection computer then Grounds circuit 1. This activates the fuel pump relay to pass current from circuit 4 to circuit 3. Circuit 3 is the one connecting to the fuel pump (via the inertia switch) and delivers the voltage/current it needs to activate. Before this voltage reaches the fuel pump, it has to go through the fuel pump inertia ...1994 F150/4.9 engine, automatic. Having a weird issue with my fuel pump relay. Let the truck sit for a few hours and the fuel pump won't run. -If I swap the relay out with any other identical relay in the box (horn relay for example) it starts right up. -If I test whichever circuit is now running on the fuel pump relay (horn), it works fine.How to test and replace a fuel pump relay. The principles shown here apply to most vehicles. However, it's best to check with your vehicle's repair manual fo...7. No Fuel Pump Vibration After Turning On The Ignition. Under the hood of the Ford F150 are two different fuel pump relays; one relay pump uses the four-pin charge, and the other uses the five-pin charge. Sometimes, the high pressure of the gasoline pump results in low fuel pressure, which harms the battery.Order Ford F150 Fuel Pump Relay online today. Free Same Day Store Pickup. Check out free battery charging and engine diagnostic testing while you are in store.Please be aware that this information is for 1992-2004 F-150's, so there could be a chance that a certain fuse number, amperage, or description could vary. ... 2000-2004: Fuel pump HI/LO relay (supercharged engine only) 306: 2000-2004: Inertia switch relay (supercharged engine only) 401: N/A: Diode; Number Description; 501: Powertrain Control Module …The 2010 Ford F-150 fuel pump relay location is beneath the dashboard, near the steering column. Having the fuel burn efficiently is the key to maximizing Your miles per gallon. Your gas tank needs to be in the beSTShape. You will come into problems at some point. The gas tank might become loose. A bad control valve may arise. The gas …2004 fuel pump fuse? I am having a fuel issue with my 2004 F-150 FX4. The problem was intermittent but now I am getting no fuel from the pump at all. I disconnected the fuel line at the filter and cycled the switch and there was an initial 2-second prime (as it should be) be it never cycled again after that (turned switch off and on), and of ...1997 - 2003 Ford F150 - bad fuel pump symptoms... but i dont know! - My F150 has been having some weird issues. At first I thought it was the fuel pump, but then a master tech friend of mine took a look when it wouldnt start, and discovered an aftermarket alarm system. I asked him to remove it, and he said it would be...To set the P461 and P463, the sensor voltage has to be above 3.5v for at least 30 seconds. When this happens, the fuel gauge defaults to empty. A defective level sensor will likely not set the P0463. Chances are the problem is in the wiring or connectors at the sensor or the ECM.Ford F-Series F-150 F150 (2004 - 2014) Fuse Box Diagram. In this article you will find a description of fuses and relays Ford, with photos of block diagrams and their locations. Highlighted the cigarette lighter fuse (as the most popular thing people look for). Get tips on blown fuses, replacing a fuse, and more.FORD F150 FUEL PUMP RELAY LOCATION REPLACEMENT F 150 NOT STARTING FUEL PUMP RELAY 2015 2016 2017If you need to find the fuel pump relay on Ford F-150 F150 an...Apr 8, 2022 · This video shows the difference between the coil (control) and the contact point which is normally open (switch). When the coil side is powered, it creates a... However, you can always inspect the fuel pump fuse to see if it’s blown. To access the fuel pump fuse in a 2009 F150, follow these steps: Pop the hood. Look for the fusebox mounted at the front of the engine compartment. Open the fusebox. The fuel pump fuse is a yellow, 20-amp fuse located in slot 27. Pull the fuse, inspect it, and replace it ...SKU # 12861 Limited-Lifetime Warranty Check if this fits your 2004 Ford F150 $2149 Free In-Store Pick Up SELECT STORE Home Delivery Standard Delivery Estimated Delivery Oct. 19 Add TO CART Notes: Sub model SVT Lightning, V8 5.4L cid:330. VIN 3, Supercharged, GAS fuel. Sub model XL, XLT, V8 5.4L cid:330, VIN M, CNG fuel. 1 Answer Anonymous Master 984 Answers For the new body style F-150 the fuel pump relay is not a serviceable item, it is built into the fuse panel. The fuse is fuse 34 ( only for 04 & 05 MYs ) which is called Fuel injectors in the 04 Owners Manual. The other items 1. Fuel Inertia switch ( assume you checked this, but it was not called out ) 2.Jun 8, 2021 · 2004 fuel pump fuse? I am having a fuel issue with my 2004 F-150 FX4. The problem was intermittent but now I am getting no fuel from the pump at all. I disconnected the fuel line at the filter and cycled the switch and there was an initial 2-second prime (as it should be) be it never cycled again after that (turned switch off and on), and of ... Ford F150 has pink/black wire containing the power to the fuel pump from the inertia switch and black wire to the ground. Yellow/white and black/orange wires go to the fuel level sending module to show tank status. F250 and F350 have the same wiring color codes for single fuel tank systems. In the case of trucks with dual tank systems, orange wire for pump ground and black wire for sending ... Order Ford F150 Fuel Pump Relay online today. Free Same Day Store Pickup. Check out free battery charging and engine diagnostic testing while you are in store.Pumps are devices used to move liquids like water and fuel. Hydraulic pumps use liquid to convert mechanical energy into pressure and flow. Here’s a brief look at how hydraulic pumps work.1. BR. Bruce from United States 8 months ago. There could be several reasons why your 2006 Ford F-150 won't start even though you've replaced the starter, fuel pump, driver fuel module, and starter relay. Here are some possible causes: Fuel pump relay: The fuel pump relay could be the issue if the pump is not getting power.The 2004 Ford F-150 fuel pump relay is located on the passenger side's fuse box. To access it, open the passenger door, look on the right side near the floor and pull off the panel.Jun 12, 2019 · Fuel Pump Relay Issues. Another potential cause for bad fuel pump symptoms is a faulty fuel pump relay. This relay controls the power supply to your F150’s fuel pump, and a faulty relay may lead to: Intermittent power loss to the fuel pump; Inability to start your truck; Unpredictable pump operation, leading to stalling or rough running Here are the schematics: The thicker wires are for the fuel pump and they would work if you plug them in without the connector but ensure connections are tight as the fuel pump draws a rather high current and would heat up if connection is loose. Orange = Pump ground. Brown/White = Pump power.Fog lamp relay: 207: Front washer pump relay: 208: 2000-2004: Intercooler pump relay (supercharged engine only) 209: Front wiper HI/LO relay: 301: Fuel pump relay: 302: Trailer tow battery charge relay: 303: 2003-2004: Heated backlight relay (SuperCrew only) 1997-1999: Rear Air Suspension Relay: 304: Powertrain Control Module Relay: 305See more on our website: https://fuse-box.info/ford/ford-f-150-2004-2008-fuses-and-relayFuse box diagram (location and assignment of electrical fuses and rel... Aug 14, 2011 · My husband has a 2005 Ford F-250 Super Duty 5.4L (built in 2004) - Ran it about 3 miles, turned it off, wouldn't start. Would crank, but not start. Changed fuel filter, fuel pump and the Fuel Pump Dri … read more Car trouble always seems to happen at the most inconvenient times, usually when you are already running late or on your way to an extremely important commitment. Turning your key to start the engine only to hear it crank can be one of the m...With the passage of time and the tens of thousands of miles, even the most steadfast fuel pump can display signs of wear, especially after years of service. Don't be caught unaware by unexpected stalls, hard starts, or rough running and a Check Engine light on that serve as signs of an impending failure of your 2004 Ford F-150 fuel pump.Dec 17, 2016 · 2004 f250 5.4 engine, fuel pump relay location. Its it true, that the fuel pump relay is hid in the fuse and relay box, and non serviceable ? Yes, it is. It can be replaced, but it's not a simple plug-in part. I ordered a used fuse/ relay box from ebay. shouldn't this have a relay in it for the fuel pump. This 2004 Ford F250 with a 5.4 liter gas engine came in with the complaint that the engine would occasionally stall. Testing found a code P0231 stored which indicates a problem with voltage to the fuel pump. Studying a wiring diagram showed several things. Number one is that when the fuel pump relay is engaged … Continue reading "2004 …Have you ever wondered where to find non-ethanol fuel near you? With the increasing popularity of alternative fuel options, many consumers are seeking out non-ethanol fuel for their vehicles.Ground is always present on circuit 1. As soon as the ignition switch powers up circuit number 2, the EEC Power Relay closes circuit 3 to circuit 4 . This causes voltage to reach the fuel pump relay, the fuel injectors, the fuel injection computer, etc. to get power through circuit number 3. As you can see it's nothing too complicated and ...1994 F150/4.9 engine, automatic. Having a weird issue with my fuel pump relay. Let the truck sit for a few hours and the fuel pump won't run. -If I swap the relay out with any other identical relay in the box (horn relay for example) it starts right up. -If I test whichever circuit is now running on the fuel pump relay (horn), it works fine.May 27, 2011 · Fuel pump relay is in battery junction box in engine compartment.The pump speed relay isn't readily serviceable as it is in PCM (computer) It depends on the year and engine configuration as to the location of the FP relay. There are multiple variations and you have know specifically what is being worked on. The relay box is located in the engine compartment on the left fender. relay box layout (2004). relay box layout (2006-2008). With Daytime Running Lamp (DRL) and 4×4 options. Without Daytime Running Lamp (DRL) and 4×4 options. Locate fuse and relay. Fuse box diagram. Identifying and legend fuse box Ford F150 2004-2008.2002-2007 Ford Excursion F.250-F.550 Fuse Box CJB Repair Service (Fuel Pump Relay) 16 reviews. $149.99. Additional Options. Same Day Turnaround (+$50) Add To Cart. Pay in 4 interest-free installments of $37.49 with. Learn more. Watch the video below to see how to send us your unit!
Order Ford F150 Fuel Pump Relay online today. Free Same Day Store Pickup. Check out free battery charging and engine diagnostic testing while you are in store.. Proteomics lab
The fuel pump relay is an important component of the fuel system of your vehicle. The fuel pump relay gives the fuel pump power when it is time to build up fuel pressure in the rail. Whenever you turn on the ignition of your vehicle, the fuel pump relay is turned on. There are different reasons why the fuel pump relay fails.Are you tired of spending a fortune at the pump every time you need to refuel your vehicle? If so, then it’s time to discover the power of Gas Buddy. This innovative app is designed to help you find the most affordable gas prices near you, ...Ground is always present on circuit 1. As soon as the ignition switch powers up circuit number 2, the EEC Power Relay closes circuit 3 to circuit 4 . This causes voltage to reach the fuel pump relay, the fuel injectors, the fuel injection computer, etc. to get power through circuit number 3. As you can see it's nothing too complicated and ...Ford expidition quit running randomly cuts off fuel pump quit.... part 2 https://youtu.be/3F4ALRKkHwkThe fuel pump relay is the electronic component found on all vehicles with an internal combustion engine. To “relay” means to receive and pass on, which it does when you turn your ignition switch from off to run position. The voltage supplied by this little device will be transferred onto the fuel pump so that it can keep up its function of running …How to test and replace a fuel pump relay. The principles shown here apply to most vehicles. However, it's best to check with your vehicle's repair manual fo...SOURCE: Fuel pump relay and fuze location for 2004 F150. For the new body style F-150 the fuel pump relay is not a serviceable item, it is built into the fuse panel. The fuse is fuse 34 ( only for 04 & 05 MYs ) which is called Fuel injectors in the 04 Owners Manual. The other items.Mar 12, 2017 · That's the switch that's supposed to disconnect the fuel pump in the event of an accident, check your owner's manual for location. Usully behind one of the kick panels, usually on the passenger side. Quote: Not sure if year/model matter, but this is for a 2005 Excursion 4x4 6.0L Diesel. Indeed it does matter. Solution: turn the light switch all the way to the right and pull the switch (out) towards you. Push switch in and it turns off. The manual says to turn switch all the way to right but doesn't say to pull switch out. Aug 25, 2010 • 2004 Ford F150. 0 helpful.Jul 17, 2023 · Consequently, the primary function of the fuel pump relay, is to maintain a steady voltage supply, to the fuel pump. Therefore, when switched on, the fuel pump relay, will provide current to the fuel pump, so that it may function. In addition, the fuel pump relay, is usually controlled by the ignition or powertrain control module (PCM). This is what I found on my Ford truck: My truck is a 2005 F150 XLT SuperCrew, 4.6 L V8. I encountered this code (DTC) P1233 - Fuel Pump Driver Module Offline recently. I took a look at the FPDM and decided to replace it due to the corrosion on it. This however was not my problem and I still could not get any power to my fuel pump.Relay replacement procedures on a 2003 Ford Expedition, The Relay is #R303 which is soldered in from the factory and ordering a new relay panel cost from $35...Verify that inertia switch power on the white wire to the fuel module. Verify a good ground on the BK/YE wire at the fuel module. Ohm test the wires from the module to the pump. If all has passed to this point then a new PCM as long as the anti theft is not triggered via a fast flashing theft light. Ask Your Own Ford Question.Here are the schematics: The thicker wires are for the fuel pump and they would work if you plug them in without the connector but ensure connections are tight as the fuel pump draws a rather high current and would heat up if connection is loose. Orange = Pump ground. Brown/White = Pump power.To check the fuel pump relay on a Ford F-150, first locate the relay panel under the hood. On the side of the relay panel, there is a diagram that shows which relays control which systems. Locate the fuel pump relay and remove it from the panel. With the key in the ON position, test for power at both terminals on the fuel pump relay.Ford F150 not starting? Problems with fuel pump? In this video I am showing fuel pump fuse and relay location ( 2009 | 2010 | 2011 | 2012 | 2013 | 2014 | XL ...Jan 8, 2016 · A faulty relay may allow the vehicle to be restarted a short while later, while a completely failed relay will not. 2. Engine does not start. Another symptom of a faulty fuel pump relay is an engine that does not start. If the fuel pump relay fails the fuel pump will be left without power. The engine may still crank when the key is turned ... 2002 F250 Super Duty P0232 code Working on a 2002 F250 Super Duty with a 5.4. it keeps setting a P0232 Fuel Pump Circut High code. Someone has wired in a fuel pump relay separate from the fuse panel. I've gone as far as to cut the Fuel Pump monitor circuit wire at the PCM and the code still returns. My next guess is a bad PCM. Any...With the MSS connector unplugged, measure the resistance between pins 2 & 3 on the MSS. Your readings should be approximately: 619 Ohms with the switch in 2H, 270 Ohms with the switch in 4H, and 130 Ohms with the switch in 4L. If your readings are significantly different, suspect a faulty MSS..