why dont my tail lights works?

Asked by Mar 01, 2011 at 05:35 PM about the 2002 Dodge Ram 1500 SLT Quad Cab LB 4WD

Question type: Maintenance & Repair

My trucks tail lights do not work, my brake lights and turn signals work but my tail lights do not.  I have no power going to the left or right tail tail light fuse, and i have already went and got a new switch for it but still not tail lights?

22 Answers

1,255

check all of your fuses, in the dash and under the hood, make sure the bulbs dont need replaced?

22 people found this helpful.
190

I am having the same issue . i had to run a wire from the right side to power the lights now they just are on all the time. If you have found a fix please let me know. If you have not found one i will let you know if i do.

19 people found this helpful.
230

How do you go about running this wire from the right side ?

23 people found this helpful.
230

check the trl hitch wires they may be pinched together,I had the same problem never thought I would figure it out.

23 people found this helpful.
165

Your fuse is burnt. Check the parking light fuse

16 people found this helpful.
525

I just had the same thing happen! All of my lights have never had problems. I tried to connect a trailer to the trailer hitch connector and lost all of my marker lights. Brake, signal, hazard and reverse lights all still work...but no markers/park lights. It has to be the trailer wiring.

36 people found this helpful.
525

Checked all fuses and relays...they are all good. Checked all bulbs...they are also good. Has to be something with the trailer wiring. That's when I lost my lights...when I plugged in the trailer wiring connector.

16 people found this helpful.
10

maybe this will help I had no left rear running, brake and blinker and changed the bulb socket for about $16.00 from dodge parts. so far do good.

1 people found this helpful.
30

what color is the reverse light on 1997 dodge Cummins 2500 turbo diesel

3 people found this helpful.
20

@ switsh on no iluminate

2 people found this helpful.
100

Why on my 2001 dodge ram 1500 the parking lights are hooked in my radio wiring? Unplug the radio and the parking lights go off plug it back in the parking lights come.even though the switch is turned off.

10 people found this helpful.
105

On my 2013 dodge ram 1500 my trailer receptical has no power. I have changed fuse but still nothing. All lights work on my truck still. I cannot find the problem. Can someone please help? Thanks

10 people found this helpful.
20

On my 2001 Dodge Ram 1500 there is a fuse/circuit breaker box just behind the battery. I had a blown 15A mini fuse (location F). Replaced it- tail-lights & dash-lights back in business! Voltman3

2 people found this helpful.
30

My blinker and my brake lights work but not my back tail lights dont and i have switch the light bulbs from the stop lights but it still doesn't work

3 people found this helpful.
10

Change fuse panel or quick fix use paper clip as a jumper in the relay

1 people found this helpful.
30

After months of intermittent electrical issue. It started off small with just losing one brake light then got progressively worse, I've lost about every light in the rear end and gained it back and even had lights not turn off after shutting off the truck, I had to unplug my battery after parking for about a month. I finally found the issue. From factory, the wiring harness had been strapped up against a sharp part of the frame. Anyone who has a 2002- 2005 gen dodge ram, check wiring harness beside your spare tire to make sure this is not happening to you. I was lucky that the constant shorting did not cause issues with the computer. Others may not be so lucky. This is a major design flaw, check your trucks.

3 people found this helpful.
20

This problem happens to a lot of dodge rams of these years due to the poorly designed fuse box. Moisture and other various things get in there and corrode the connection for the tail light relay. I believe it is # 73 if you turn the switch in the truck on you should have power at 3 of the 4 terminals. If you only have power at 2 of them with the switch on then its probably a bad fuse box. I got a new fuse box for my 02 1500 for about $130 used from a scrap yard. But make sure you dont get one that is on a truck with a lot of miles as this box could very well have the same problem. I will try to find a link to the video on how to jump the terminals in the box with a wire to turn on the lights

20

https://youtu.be/788-yq3dtEM Here is another solution to this problem that may work if you have alright skills with a soldering iron and a lot of patience

2 people found this helpful.
20

https://youtu.be/cIF5SiVGpPE This video shows a fix that I personally used for a while on my truck before i got a new fuse box i just used a good powerful switch and some good wire to run a separate switch in the truck. It was a pain to use a second switch though so after awhile i just broke and got a new box

My 2013 Ram Laramie park lights stay on when in gear. This happen to anyone else? Also my trailer brake lights and signals work but with lights on, none of my boat lights illuminate. All help is appreciated!

2017 dodge 1500 ram..lost parking lights. Brake lights..tow lights on driver side. Checked fuse not the problem so what could be the problem??

i had the same problem on my 2004 dodge ram rumble bee. i did not have rear running lights, but the brake light and turn signal lights functioned normally. I checked the fuse, and observed it had not failed. I checked the power coming in and out going out the fuse and there was none. i checked the tail lamp relay and found that the ground on the relay was not properly grounded. the relay is grounded by the FCM. I did not verify continuity from the ground connector at the fuse box to the FCM. There are only 2 possible options at this point, and that would be to verify if the ground wire is broken, and if not, the FCM has failed internally. My fix was hard wiring the ground portion of the relay using a wire which was fuse protected to the negative side of the battery lol. the only down side is that it must be plugged in and unplugged every time, or it will drain the battery by leaving your running lights on since they are no longer operated of the FCM. follow me at QuantumMotorWorks

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