Ford Wiring/Electrical :: 2004 F250 - Turn Signals And Hazards Stopped Working
Feb 19, 2016
So I have an 04 F250 Super Duty 6.0L and suddenly the turn signals and hazards stopped working. First I replaced the switch on the steering column...no luck. Today I replaced the flasher relay under the dash panel (the blue one)...still no luck. I remember checking fuses in the fuse box but don't remember which ones I checked but I didn't see anything obvious. I also took a quick look under the dash at all the wires for any anomalies...nothing. I'm lost... What to do next!?
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Dad borrowed truck and wired 7 pin trailer harness. Lights worked on truck/trailer for use but upon return the turn signals didnt work. Hazards and running and brake lights did work. Replaced TS flasher and Haz flasher. Still no signals. Pulled steering wheel and replaced turn signal cam only, not whole switch. Now no brake lights, no rear hazards or turn signals. Losing my marbles trying to follow schematic and using test light and mulit meter. All bulbs and fuses are good. Running lights and head lights working as well.
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I have checked the fuses for the Hazard and the Turn Signals. Both look fine. I tried replacing the turn signal flasher (which was a task in itself). After all of this it is still not working. What else could it be? Simple short?
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I drive a 98 Ford Contour Sport. When I was driving today, I signaled a left turn, and the signal began working erratically. This also happened with a right turn, and, since I deliver sandwiches, happened when I turned my hazards on. Throughout the day it got worse, and eventually stopped working. I'm willing to bet that it's a wiring issue since all of my fuses are fine.
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I used the volt meter wrong while testing my turn signal bulbs for power and not they do not work (or hazard lights).
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My brake lights, turn signals, and flasher are not working in my truck. Is it a fuse and what fuse? Could it be a relay?
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I've driven home from a tree nursery with a utility trailer - hazards on at about 60kph. Took me about twenty minutes to get home. It's a pretty warm day so AC was on. I turned the hazards off to signal turns and then put it back on when it was straight road.
After disconnecting the trailer and later driving to pick up the kids, I noticed the turn signals wouldn't blink but the hazards would still work. The AC would not respond, nor would any of the climate control buttons. The heated seat controls are dead and also the 12V DC outlet next to the seat switches seems to be dead. However, the airbag compressor control still functions normally, the diff lock button still works fine, the headlights and hi-beams still work as well.
I took a few minutes when I reached the first school to check through the fuse box under the hood but there wasn't anything obvious. I'm also considering just removing the negative on the battery to reset the computer. Then, there' s the window thing....
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I have a 2001 Econoline and the turn signals work in the morning but when the vehicle warms up they stop working. I have replaced the bulbs and the fuses. What I could try next.
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I just bought an 05 F250 XLT. I noticed tonight that the rear turn signals and brake lights don't work.
The front turn signals work fine, although they flash fast. I know that usually means a light on its way out. neither taillight flashes though, which puzzles me.
My second issue is that, of the 3 brake lights, only the high mounted light illuminates when I hit the brakes.
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I have an early 99 F250. The a/c compressor stopped working. Have checked pressures, switches, freon etc. Found the switch in the dash is not getting power to send to the compressor. Where the feed for this switch is? I have checked all fuses, all good. The manual does not show a relay as being an a/c relay, so I am stumped without taking it somewhere now but I would like to avoid that.
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My hazard, reverse don't work. The over all instruments panel light doesn't light up (the small bulbs work). Gauges with needles work. I'm putting every thing back into the truck. I left the steering wheel resting on the floor while cleaning and also left the wiring in. Everything else came out because I had to clean out the smell of mice. After I installed the instrument panel I started the truck, there was no hazard lights. I checked all the fuses under the dash. I checked all the fuses under the hood.
I did have a bent brake plug blade to bend straight. I need to replace a bad key cylinder, you can turn it without a key. I believe there were three plugs I unplug to lower the steering wheel. Park brake, brake pedal and a plug under the steering wheel. Wipers, interior ceiling light work. I believe there's a switch on the column (?) that includes the wiper arm. Should it also operate the hazard lights ? The steering column is installed, I can drive it around. Outside cargo lights won't go off, even with the light switch pushed in. Everything worked before.
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1991 F250 Supercab Diesel 4X4. I made a mistake while wiring up my trailer lights and ended up grounding out my brake controller, frying it. Along with that, I popped a couple fuses as well (1, 5 and 9 I believe). Replaced all fuses and got my signals (F/R) back at least.
Here's what's NOT working/messed up:
*Brake Lights
*Cruise Control
*Rear ABS light comes on a few minutes after driving.
*Front hazards work, not rear. When I apply the brake, the hazards pause in the on position.
I've tested the brake switch on the brake pedal (Green/Red and Green) and it works properly. So, current is obviously not reaching the rear brake lights.
Another note. The truck is wired with a 7 pin plug in the bed for a goose neck trailer. It also was wired to a 6 pin on the bumper. I replaced the 6 pin with a 7. The signal/brake pins on the plugs (both) and also not receiving power. What's the next thing to check?
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Well, on our way home during my leave, the wife made the comment about halfway home that the blinkers had quit working. I assumed it was probably a fuse or relay, so we came on home. I have been looking at it for a few days now (too hot to spend too much time out crawling around under the dash ) and I am still having some trouble. My brake lights, and hazards are not working, and neither is the cruise, which was working fine while I drove before the blinkers went out.
I have no power at all to the flasher relay. I replaced the brake light switch because it was definitely worn and looked a little burned inside when I pulled it out and inspected, but still nothing. Have not found any fuses blown. Brake pressure switch fused link harness seems good with my test light. Wipers, brights, everything else on the turn signal switch works fine. Can't even get the cruise to go into diagnostic mode, it only blinks once when I try.
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In my 97 Ford Taurus the turn signals and hazards are not working. I changed the fuses, but still no luck. Someone mentioned that there might be another fuse box under the hood (besides the maxi fuse box). Also someone mentioned the blinker fluid being low.
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2000 V10 F250 - daughter is using my truck and called to tell me the turn signals weren't working. She called me shortly after and said she adjusted the tilt and hazard lights came on and now she can't turn them off. I had her pull the hazard fuse to stop them. She then noticed the brake light weren't working. I don't know if the brake lights were because she pulled the fuse or she just noticed they weren't working.
A week or two ago, she said she parked the truck, turned it off and took the keys. When she came back out, the truck had rolled across the street. Periodically, over the years, I would go to start the truck and nothing happened. I would shift the gear selector in and out of drive. Then the truck started.
Finally, since I've owned the truck, the when I activated the left turn signal, the selector frequently wouldn't stay "locked" till I turned. So, are these related? Do I have multiple issues going on in the steering column. Where to start looking when she gets the truck home?
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My truck is a 2004 F150 XLT, 4.6L 2 wheel drive extended cab
The truck starts fine. With no lights on, heater/ac blower turned off... my turn signals and hazards work as they should.
If I turn on my headlights, I have no turn signals and the indicators on the dash are slightly lit up along with my highbeam indicators. The actual dash lights do not come on.
The blower does not work at all regardless of whether the lights are on or off. Turning the blower on immediately creates the same issue as the lights. (no turn signals, slightly lit up indicators, etc). The blower does not work on any speed. I can hear the duct work changing direction behind the dash as I move the blower selector from dash to windshield to floor, etc. I can also hear the compressor kicking on for the AC.
What I have done: I have checked all the fuses. I have attempted to remove every one of them while running to see if anything shutting off would let the blower kick on. I have unplugged the blower entirely wondering if there was a dead short. I have removed and unplugged the resistor to see if that might be an issue. I have also removed the right side kick panel and checked the ground wire there that runs to the dash. Everything so far seems to be in good order.
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My turn signals will not work with the engine running. With the engine off they will. With the engine running if I move the ignition like I am going to turn it off they work.. Is it the ignition switch or ign cylinder....
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I must be missing something here. Where is the flasher for the turn signals? It isn't the two relays behind the radio is it?
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I have a 2006 f150. Both front turn signals do not work. I replaced bulbs still nothing. There back signals do work. They blink really fast.
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2004 Prius here. The turn signals and hazard lights stopped working a few days ago. I found a disconnection in the grounding and repaired it. Also replaced the fuse and the flasher switch. Now the lights work, and I can hear the flasher switch clicking, but they don't blink!
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I installed LED tail lights a few months ago, now all of a sudden the passenger side does not light for brakes or turn signals. The lights came with resistors that I put in when installing and the adhesive wore out and they were dangling in the truck frame. The wires connecting the resistors to the light were damaged. I taped the exposed wires and secured them a with a heavier tape, but taping did not work. I also tried switching the resistor packs with the driver side to see if it was them that have an open winding, but they are still operable.
I narrowed it down to wiring between the trailer hook up and passenger light assembly in the electrical circuit. I plugged an LED light bar into the trailer connection and the same problem occurred (running lights come on, but no turn signal or brake light). Where could there be a short? Or is this circuit fused somewhere that the running lights come on but a separate fused circuit triggers the higher voltage for LEDs.
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