The left side turn signal and brake light is generally the yellow wire going into your trailer connector. The first thing to do is check the fuses on your tow vehicle. ... If the problem is there then you need to clean it , if necessary, and if that doesn’t fix it the problem is in your vehicle.
Why won’t my turn signals work on my trailer?
Turn Signals on Trailer Not Working When Running Lights are On The most likely cause for the turn signals not to work when the running lights are on with your trailer is a bad or weak ground . It’s very possible that a weak ground connection can be just strong enough to allow sufficient current for some...
Is there a fuse for trailer turn signals?
If you’re problem was turn signals then simply look for the trailer RT or LT fuse and simply replace if needed. This will solve the problem of brake lights also, as they are the same fuse.
Why are my trailer lights not blinking?
Make sure that the vehicle side and trailer side connectors are clean and free of corrosion inside and out. ... The main connector grounds should be attached to clean and corrosion free bare metal surfaces.
Where are the fuses for trailer lights?
You can usually find the main fuse box under the hood . Your owner’s manual should tell you where the fuse box is located and where in particular you can find the running lamp fuse. All this being said, you’ll want to make sure the wiring on the trailer is in good shape before you start changing fuses.
How do I fix my turn signal on my trailer?
On the vehicle, check to see if there is a turn signal fuse for the tow package wiring that may have blown. You can use your owners manual to find the location and size fuses that are needed. Next, check the grounds on the ride side where the problem is.
Is there a separate fuse for trailer lights?
There is more than likely a separate fuse and or relay that controls the right side trailer brake/turn signals and the left side trailer brake/turn signals. This fuse should be located in the power distribution center under the hood of the vehicle next to the engine but it could also be in the interior fuse box.
How do I find a short in my trailer light?
Check all the connections making sure they are plugged in. Most likely you will find a unplugged one. If all look good then unplug them all and try again. If the fuse does not blow you have a light some how gounding out if the fuse still blows with all the lights unhoooked you have a bare wire rubbing somewhere.
Why wont my trailer tail lights work?
It is possible that one of the bulbs on your trailer burned out. So check the lights. If the bulbs are not the problem, disconnect the trailer’s wiring system from the tow vehicle . Test all of the lights, from the backup lights to the turn signals and brake lights to ensure the problem is not the tow vehicle itself.
Is there a fuse for running lights?
Locate the fuse box in the engine compartment . On most vehicles, it is directly behind the battery.
Why is only one side of my trailer lights working?
If the lights on one side still aren’t working, you may have a break in the wire . To test for a broken wire, check the color of the wire going to the socket and then find that wire on the connector in front. ... If the light fails to go on, trace the wire and check for bare spots or breaks.
What is the color code for trailer wiring?
Trailer Wiring Has 5-Wires White, Yellow, Green, Yellow/Brown , and Green/Brown On a 4-Way flat trailer wiring harness, white is the ground, brown is running lights, yellow is left turn signal and green is right turn signal.
