Ford Super Duty (1999-2016) :: Reverse Lights Dim Or Don't Work At All
Dec 25, 2013
I have an 02 f350 XL. The other day it rained and all of my rear lights went haywire. All problems are out back.
- Step on brakes, high mount, and lic plate lights light up with brakes.
- Turn on marker lights and the high mount lights up and the tails and lic plate lights dim.
- Marker lights on, apply brakes, and the tails and lic plates lights go out on bed, high mount activates.
- Use turn signals with markers off and all of the rear lights including high mount flash..
- Reverse lights dim or dont work at all.
I have tried a new MF switch, checked all fuses. cleaned rear frame ground. took apart brake switch and cleaned it. non tilt column but checked wires. replaced flasher. unplugged brake light switch and headlight switch, problem is still there. removed trailer relays, no luck. checked all chassis plugs. disconnected TRS.
I should mention i have 12v cummins swap and a pcs with standalone harness. no problems over the last few months since swap until it rained last monday.
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My reverse sensors have stopped working. As soon as you put in reverse, the on off button will light up and be telling you that it is off. What is going on and how do I correct this?
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I just noticed a week ago that I don't have reverse lights. I check the fuses all good. I have checked the harness and there is continuity. So that tells me that the relays are good. I also read to check the neutral safety switch but where it is located. After trouble shooting last night I also noticed that I don't have my 3rd cab brake light either.
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Have a 2012 350 cclb 4x4 6.7 lariat, interior lights don't work. Not with any door open, Not with switch. map lights work. We've checked every fuse in cab and under hood. What to check now ?
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My daughter came home a bit ago and told me the backup lights on my '02 F350 were on. Pretty odd because the keys were in my pocket at the time.
When I opened the door to the truck, I noticed a faint electrical smell and noticed the fan for the environmental controls was running as well.
I'm guessing the light issue is probably a sensor or something at the transmission but why would the blower be running as well?
Early last week I finally decided to try and figure out why my cruise control hadn't been working and discovered fuse F2.34 was blown. Replaced it and went through the test procedure described here: [URL] ....
No issues and the cruise is working again. I had to take it on a road trip for work the following day and didn't have any issues for almost 1,000 miles.
I drove it last night and didn't have the issue. I drove it again this morning to several places and everything was fine.
I've got a tuner with a code reader. Would something like the above problem register a code?
I've not stuck my head under the truck yet (it's cold and dark out.) What sensors I might need to check out? Is there a testing procedure available to ID the faulty component?
The battery is disconnected for the night, but I'd sure like to get this thing sorted before I hit the road for work again this week.
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1999 E-350 Super Duty (figured the problem would be the same for van/truck)
Problem: Backup lights don't turn on when in reverse.
Diagnosis: Changed the fused (because it was bad) but didn't fix it. The bulbs are both good. Brake lights, turn signals all work. I understand the backup lights are connected to the Neutral Sensor Switch. To test to see if the NSS was working, I put the van in Reverse and cranked... Van didn't crank (and likewise for D, 1-3).
So I guess the Neutral Sensor Switch works. The fuse works. The bulbs are good. Haynes doesn't have much as far as troubleshooting for this issue. What should I look at from here?
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I love my new truck. '15 250 CC SB. It would be nice if when I am backing up not to have the dash lights in my eyes once I turn off the head/parking lights at night. I turn off the head lights so as to make everything darker. Much easier to see what is in my mirrors.
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I screwed up installing LED taillight assemblies in my 2011 SuperDuty and pinched a couple of wires against the body. The result of this (at least I think that this cause) is that my backup lights no longer work - neither the backup lights in the tail light assembly nor the reverse light power on the trailer plug. I have checked the fuses, etc. and nothing. I brought it to a local shop and they could not figure out the problem, either, but said that it was probably the "control module" that got fried when the wires got pinched. They said to take it to the dealer. The questions are, what "control module" might they be referring to, or what to check?
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My 2005 f350 reverse lights just started to not work . So I checked the fuse and it was blown and every time I put new fuse in it blows, where to check. Sounds like a ground issue am I correct .
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I have a 2001 F350 and instrument cluster lights will not work. Fuses are good and the gauges still work just not the lights.
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I have a 2001 f-250 that has dome lights that work on occasion. Mostly don't work. The inside dash dimmer won't turn them on. And they will sometimes work with the rear doors opening. Not the front(4 doors). The cargo light comes on all the time. So I don't know where to start chasing.
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I have an 05 f350. I cannot get trailer running lights to work. All other lights work. Trailer brakes work, battery charge for dump trailer. I've checked fuses under dash and under hood. Everything checks out. I'm Stumped.
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I'm having problems with my front marker lights. The turn signals work but when I turn on the parking lights or headlights they don't work. They only work with the turn signals. And I can't get the front side marker lights to come on. I've tried everything...
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My 2011 f250 is stuck in park and the brake lights do not work. I have changed the brake switch but still wont shift out of park.
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2000 F-250 Super Duty
I was replacing my headlights, which required me to splice in their lights to my parking lights, and I seem to have shutdown ALL my parking lights. I did a test after twisting my wires together and everything worked fine. Then I soldered and heat shrunk them and somewhere during that process I lost all the parking lights.
I checked the 8th fuse as per the manual (for Parking Lamps) with a multimeter and it checked out just fine.
Figured it was the time to ask the experts on here where I should go from here. Are there some other fuses I could be missing, or maybe some else I could do?
Solved: Bad fuse in the #8 slot in the Power Distribution Box (under the hood, near Cab, driver's side)...
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The flashers and blinkers work, the taillights, brake lights and back up lamps do not.
The truck is a 2004 F250 4x4... Checked all fuses. What am I missing?
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I'm having issue with my brake lights. Checked for voltage and nothing. Checked the fuses under the dash. Checked the brake pedal switch and have power going out when the pedal is pressed. Is there a relay or something somewhere else? 1999 f250 7.3 superduty....
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Installing a back up camera and need to locate reverse lights on driver's side at rear bumper. What color wire is for the reverse lights on a 2003 F-350 (truck in my sig)?
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My sons 2006 F350 brake lights and rear turn signals quit working. When the headlights are on, all the lights operate but the rear turn signals and brake lights do not nor do the emergency flashers. The front signals work but flash very rapidly. Although I'm not an auto electrician, I'm fairly mechanically inclined but the fact that the front signals work, the rear don't and all lights work as lights, just not as turn signals or brake lights.
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I just purchased a '12 f250 Lariat w/ 39k miles. When I got home I noticed one of the three LED running board lights does not work on the passenger side. Can I replace this myself?
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