I am looking for the location of the fuel pump relay for my 1999 Ford F550 V10 4WD Gas truck.
I have replaced the fuel filter and fuel pump. When the key is turned the pump gets juice and 2 seconds later is not getting juice. No lines are coming into it, so it's not getting up to pressure and shutting off.
2004 super duty crew long bed 2wd, v10 auto SLT.
Manual says not in fuse block.
Looked behind radio, nothing, not even a space or the blue one there.
There are some on the firewall, driver side not marked. No pink wire.
Where else??
I am trying to diagnose my fuel system, but I cant seem to find the fuel pump relay. My truck is an 2004 f250 crew cab work truck with 5.4L. it seems that the relay can be mounted anywhere from behind the radio or in the engine compartment as well as built in to the fuse box under the steering wheel.
View 14 RepliesLooking for where the fuel pump relay is 2001 f 250 SD reg cab 2 wd. Won't Start On pump gas , starting fluid yes
View 1 RepliesIts it true, that the fuel pump relay is hid in the fuse and relay box, and non serviceable ?
View 6 Replies1999 f-250 super duty... okay, here is what i have going on. basically no power to the fuel pump. For the last 2 weeks the fuel pump relay and 1 of the relays behind the radio (next to the blue relay) would chatter and the truck would die. Wait about 5 minutes and turn the key on and if the chatter was gone then it would fire up and run... So NOW no chatter on either relay and not cranking up. - motor turns over just fine- just no power to fuel pump. So I changed out the relay- both behind the radio and the one under the hood. still chatters and no start. i have checked the Inertia switch and 12 volts there... Here is my question, when i turn the ignition on, i have no power to the base of the Fuel Pump Relay.... Where does the power come from to power the relay???
View 13 Replies2003 f550 with 7.3, suddenly loses power and struggles while driving. White/blue smoke comes from tailpipe, can smell the diesel exhaust bad when happens, comes and goes intermittently but has been happening more and more often. I uploaded a video onto YouTube to show sound, rough running motor and smoke from exhaust although smoke not that bad in video. Search "shadetreelandscaping" on YouTube in case link below doesn't work.
ShadeTreeLandscaping - YouTube
Took to ford dealer a few diff times for problem and they can't get any codes, can't duplicate problem. After it being in for third time they say had to call ford tech hotline and they suggest replacing injector however can not and will not gaurntee that will solve problem, and obviously dealer isn't cheap for repair. I find it hard to believe that a bad injector(s) would be an intermittent problem as it is or that it would cause fuel pump to make gurgling sound.
2003 f350 5.4... Is the fuel pump relay behind the radio? Under hood? Or built in the fuse panel and unserviceable?
View 14 RepliesI see several threads regarding engines that wont start for no apparent reason. My reason was a failed fuel pump relay. This sucker is hidden in the dash below and to the left of the radio. I got to it by taking out the ash tray. There are three relays under the cover. The upper left is the fuel pump relay. The one to the right is the turn signal relay. I don't know what the bottom left is for.
View 3 RepliesOk so my fire station has a 2003 f550 rescue truck with a rescue body with the round tail lights, we recently upgraded them to the LED ones that are much brighter but of course it flashes at the speed of sound. The question I have is:
1. the relay {flasher} is located on the driver side inner fender? I think....
2. does the same EP-27 relay/flasher fix the problem?
After replacing fuel filter, pump relay, and air filter for good measure my 2002 f250 v10 gas engine still wont start. What to do?
View 13 RepliesWe bought a 2012 f550 chassis and had a utility bed outfited. As far as I know the truck does not have a tow package (major F-up). They did install a receiver and electric in the rear. The 7 way pin in the rear does have the appropriate wires (including blue). I can not find the harness in the cab under the dash. I have looked near the radio where I have found the harness on our other trucks. I specifically looked for the red white and blue wire under there. Where is this harness? Is the harness still in the cab even without the tow package? This will be for the old school plug in controller, not the ford intergrated contoller.
View 4 RepliesI have a 2008 f-550 diesel. Had water in fuel. Flushed the entire system. Replaced the fuel filters and injectors but still will not start.
View 2 RepliesCan't find my manual and getting ready to haul camper in an hour...no trailer parking lamp power on truckside plug. No blown fuse but heard there may be a relay.
View 1 RepliesAttempting to debug the Horn not working on my 2003 Ford F450, The fuse is good (shown as #37 15 amps) so next I would like to check the Horn relay.
View 5 RepliesThe #8 fuse under the hood was blowing on my '00 F-250 every time I turned on the healights meaning I would lose power to my park lights. The brown wire coming from the back of the headlight switch showed a dead short to ground that I traced to somewhere between the switch and the firewall.
Anyway, I got tired of trying to pinpoint the ground fault, so I cut the brown wires at the back of the switch and under the hood at the top bolt-on electrical plug and replaced the bad section with a new wire. It works fine now with the only exception being I do not get the park light flash when I hit the remote lock button the second time. I do still get the horn chirp.
My Haynes manual indicates there should be a relay box with a Park Lamp relay, Driver Unlock relay, All Lock Relay, and All Unlock relay. The park light relay looks like it sends the blip of power to the park light circuit. Where this relay box is? I'd like to splice into the brown wir coming out of it to restore the light flash when I lock the truck since sometimes it's too noisy to hear the horn.
Suspect I have a bad fuel pump. I checked for power thru the Inertia Switch. When I first energize the ignition I receive 12v after a couple seconds it drops to 7v. Is this normal? I checked at the connector to pump module and see the same reading. I swapped fuel pump relay and same readings. Just want to makew sure I dont have some other issue before doing pump.
View 2 RepliesI am looking for the location of the fuel pump relay on a 1997 Chevy S10. There is a bank of relays on the firewall on the passenger side, but I do not have any info on which relay is for the fuel pump.
I briefly looked at this vehicle where they had it towed to after it had stalled on the road and they couldn't get it to start.I had no tools at the time, but not hearing the hum of the pump, and no fuel at the test port on the rail, all pointed to a fuel problem. The owners boyfriend took over from there and replaced the pump this past Saturday and still no pump.
I suggested that he find the right relay and test it, but he skipped that part. Which of those realy are for the pump??????
Will it be easier for me to drop the tank or to take off the bed of the truck does a 1990 F350 7.5 liter dual tank gas
View 1 RepliesI have searched through the site but have not found anything like the problem I'm having. I have a 2003 F250 5.4. Three weeks ago I attempted to start my truck and it just cranks. The fuel pump was not coming on. I left the truck over night and the next morning the truck starts with no issues. It ran normally for the next three weeks then the same thing happened again. Towed to the mechanic but the truck started up and ran. It shows no codes after both no starts and both times ran fine the next day. When running fuel pressure is where it should be.
View 3 RepliesI have a 2007 f-350 with the 5.4. The fuel pump is not running, have voltage at the inertia switch but none at the pump. Where the pump driver module is located at?
View 2 Replies