Ford F-150 (2004-2008) :: Location Of Horn Relay?
Jan 19, 2014
My horn suddenly stays on when I hit the horn and it doesn't beep when I lock the door with the key fob. Only way to turn it off is to shut off the truck. I thought it may be a faulty horn relay. I've asked many mechanics where the horn relay is located and every one gives a different answer. Under the hood, in the driver side kick panel, under the dash, near the horn itself. Where the horn relay is located on a 2004 F-150....
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My horn isn't working. The under-dash fuse is OK and was going to check the horn relay, but can't figure out which one it is despite numerous FTE and Google searches. I pulled the cover on 2 power distribution boxes under the hood, driver's side. One box has 2 relays. The other has 4. Which one controls the horn?
Then...how do I test it to see if it's good/bad?
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My horns aren't working. I'm getting power at the horn fuse, but no power at the horn connectors. Where is the horn relay located? Is it in the fusebox under the hood? There are many relays, but none of them labeled "horn".
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Attempting 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.
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Where is the horn relay for a 2007 Buick Lucerne?
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What is the location of the taillight relay? My taillights (and all other exterior marker lights) have gone out and the display no longer dims at night. The fuse has no supply voltage. My best guess from the wiring diagram is that the taillight relay is toast. It would seem a simple operation to pull the relay and just check it. The problem is finding it. The repair manual says it is in the fuse/relay box over the drivers side front tire. However there is no relay in that box marked as taillight and all the relays are accounted for from the diagram. The car is an 08.
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Where is the signal flasher relay located. I can hear it but can't track it down.
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Can'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.
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Just asking where about's the ficm relay would be under the hood of my '04 6 liter, I have 3 boxes to chose from.
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I cant find the location of the Turn signal relay, its not in the Relay box under the hood nor is it on the fuse panel under the dash, i'm planning on installing LED blinkers and i want to switch out the relay to a LED compatible one, where it is?
2008 Santa Fe GLS ....
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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.
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Its it true, that the fuel pump relay is hid in the fuse and relay box, and non serviceable ?
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What is the location of this? It's fuse 37. But it's neither under the steering wheel, or drivers side engine compartment....
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I found that both my headlights was out. I went and replaced one of the lamps and found that it still did not work. I started troubleshooting and it led me to the headlight relay. Where to find it?
*When I turn Headlight switch on = No Headlights
*When I turn the switch to auto = No Headlights
*When I turn the switch to headlights and hit the function switch to turn on brights = No Brights either
*If I pull back on the function switch to momentary = Brights come on until I release the function switch
I have 13v on Red/Yellow wire when I switch to headlights, but I do not have any voltage at the Headlamp wires.
Headlight System with DRL 2002....
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My daughter's 2004 F150 has a horn problem. She used it the other day and it would not stop blowing. Someone unplugged it for her. When I checked it out and re-plugged it in it still continues to blow. Question is where do I begin. Does this have a horn relay? Do I have to remove the air bag to access the connections under the pad? I own a 1985 F150 and mine is much simpler.
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I have a 2004 f150 fx4. Drove it home and parked it. Next morning wouldn't turn over. When trying to start the starter relay clicks but no noise from starter. Battery light and wrench light are on. I thought maybe battery was low but when I hooked up charger gauge showed good battery. What do I do next? Also there is no "theft" light...at all not even when I first turn key on.
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I have a 2007 F150 Lariat with a 5.4 L engine. Bought it 6 weeks ago from the original owner. Has 50,000 miles on it. He had a Ford command start installed when it was new, and received a new key FOB at that time. When I drive the vehicle, sometimes the horn will start blowing and the lights start flashing which to me, indicates the trucks security alarm is activated. The only way to make it stop, is to hit the unlock button on the key FOB. It also does it sometimes when it's not running and I open a door. Previous owner had same problem so he disconnected the horn!!?!
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I have a 97 F-150 that the A/C went from blowing cold to hot instantly. I have done the following;
1. Checked fuse. Was good.
2. Checked Low Pressure connection.
On this, I jumpered the connector and could not get the clutch to engage. I also checked to make sure I had 12v from that point, which I did.
3. Checked the power to the clutch assembly. Got nothing. I also put 12v directly to the clutch and it poped in just fine.
Based on all of this I think I have a bad relay between the low pressure sensor and the clutch assembly. The only problem is I cant find it. Where this relay is located
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Where to locate the headlight relay for a 97 Explorer Limited 5.0 AWD? Dim lights are not working changed the multi switch and connector but unsure where the relay is.
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I have a 2005 6.0 and a FICM tuner from PHP. I need to remove the FICM relay so I don't fry injector 1 (I think that what it is). Anyway, I've done a lot of reading and can't seem to figure out which relay it is. The instructions say the relay closest to the passenger front, but also say almost always grey. So, The grey relay is passenger toward firewall. The directions also say that the injectors will not buzz if removed. I took each out and still had injector buzz. Tried again tonight, truck is hot, just been driven. I pulled the grey relay and turned key to on. Buzzed for just a second then stopped but did the same for the other relay and same when put back in.
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I'm having some trouble with the front blower fan on my 97 Aerostar 3.0, it will only intermittently work, one time we had it running, lifted up the hood on the van, checked the connection to the motor, looked good, dropped the hood and the fan immediately started working again, I'm wonder if the relay might be starting to go bad, the fan in the back works, so I'm not sure. Where the relay is for the blower motor, or what might be wrong?
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