Standard Trailer Light Kit with 25' Wire Harness

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• Troubleshooting Dimming Trailer Lights When Braking And Using The Turn Signal
  Hi Doug, Based on the symptoms you're describing it just sounds like you're dealing with a lack of power. Everything works until you start putting too much of a load on the harness. Does your Suburban have a factory tow package/7-way or did you have to install one aftermarket? Older vehicles used to pull power from the vehicle tail lights to power the trailer lights and ended up drawing too much power and causing the lights to dim. In this kind of situation you can either replace the wiring...
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• Install Video For Standard Trailer Light Kit # TL29BK
  I believe you already have seen the attached diagrams that are on this page, but I think your best option will be to watch the install video I attached for the trailer taillight kit part # TL29BK which will walk you through the whole process.
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• Difficulty of Installing Optronics Trailer Light Kit # TL29BK On Small Trailer
  A light kit like the Optronics Trailer Light Kit, part # TL29BK, for your trailer is a fairly simple installation if you have average mechanical abilities. I am including a link to a video of the light kit being installed on a trailer and another video of a review on the light kit. These videos will help you with the installation process. Also, I am including a link to a FAQ page on trailer wiring.
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• Is There Difference Between Optronics Taillight Kits TL5RK and TL29BK
  The Optronics kits part # TL5RK and # TL29BK are both very similar. Only real difference is there is a slight housing design difference between the two main taillight assemblies with the # TL29BK having the more recent design. Both are great kits that will hold up really well, better than what came on your Harbor Freight trailer for sure.
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• Is the 4-Way of the Standard Trailer Light Kit # TL29BK Compatible with OEM 4-Ways on Vehicles
  The 4-way of the Standard Trailer Light Kit # TL29BK that you referenced is the standard trailer wiring 4-way that is found on most trailers that would also be compatible with an OEM 4-way trailer wiring harness on a vehicle. They use a standard 1157 bulb. For a replacement you would want the # A1157B. The gauge of wire in this kit is 18.
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• How do I ground my Standard 4-Way Y Harness on my Trailer
  Yes you are right on track here. The Standard Trailer Light Kit with 25' Wire Harness part # TL29BK has a single white wire that need to be connected to trailer. This wire provides the ground connection from your tow vehicle to the trailer once that is done all of the light ground themselves to the trailer through the metal studs used to connect them. Attach the white ground wire directly to a clean, bare section of the trailer frame using a self-tapping screw and ring terminal. For...
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• Ways to Install New 4-Pole Trailer Connector
  Four flat trailer wiring, also called 4-pole wiring, uses four wires and pins configured as shown in the linked photo of a trailer side 4-pole connector. The one pin that is different from the other three (on both trailer and vehicle side connectors) will be the ground pin and this usually has a WHITE wire that will ground to a clean bare metal spot the trailer frame with a ring terminal. The next pin is for the running light circuit and this typically uses a brown wire to activate the...
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• Wiring a 2011 Victory Motorcycle and Trailer for Towing
  For simplicity, I would recommend wiring the motorcycle trailer as a vehicle trailer would be. A powered converter wiring kit, like part # C59496, would be connected to the motorcycle, which would provide a 4-pole trailer connector. The converter combines the brake lamp and the directional signal onto one circuit. The 4-pole connector utilizes four circuits, the white wire which is the ground, the green wire carries the right turn and brake light combined on one circuit, the yellow wire...
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• Does the Optronics Trailer Light Kit TL29BK Include Wire Harness with 4 Pole Connector
  Yes, the Optronics Standard Trailer Light Kit # TL29BK referenced in your question includes a 25 foot wire harness with a 4-pole connector. The kit also includes two red, stud-mount tail lights, two amber marker lights and a license plate bracket. I have also attached a couple of video demonstrations on this kit for you to check out.
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• Locating a Lighting problem on a Boat Trailer with 4-Way Flat Wiring
  It sounds as if the trailer wiring is wired properly. You can splice into the brown tail light wire at any point and run it to the other side of the trailer. As long as the connector on your vehicle is wired and grounded properly the problem is with the trailer. A couple of things to look at would be the connection of the tail light mounting brackets to the trailer and the license plate bracket on the left side. If the mounting brackets are bolted to the trailer frame, remove them and...
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• Troubleshooting New Wiring On Landscape Trailer Working Until Taillights Were Wired In
  Since the running lights worked until you installed the tail lights on your trailer, it sounds like a bad/weak ground. How exactly did you ground the main ground up front? I'd check that it's secured to clean metal and didn't come loose. It's a tell tale ground issue symptom that when multiple lights are powered the ground cannot handle that much load and turns off. Let me know what you find and we can continue troubleshooting if needed.
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• Troubleshooting Running Lights Not Working
  There are many, many different reasons why your lights could not be working. In many cases a bad ground is to blame for this type of issue, but in order to determine the specific problem you will need to use a circuit tester such as # PTW2993 to test the connector on your vehicle after disconnecting it from your trailer. Check the wiring going into your harness from your taillights to see if those wires are carrying the correct signals, if not then the issue is with the vehicle wiring....
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• How To Ground Trailer Tail Lights Without a Ground Wire To a Wooden Surface
  The Standard Trailer Light Kit with 25' Wire Harness part # TL29BK as I am sure you noticed grounds via the mounting hardware therefore there is not a singular ground wire. In order to attach this light to a wooden surface you will need to run a ground wire yourself up to the trailer tongue using the mounting studs on the back with ring terminals part # DW05705-1 and wire part # 12-1-1. The other option you have is to use the Peterson LED Light Kit for Trailers part # V944 which does have...
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• Replacement Trailer Wiring Kit Recommendation for German Trailer to be Used w US Spec Kia Sorento
  Any time you can get away without using any type of adapter you are better off as that is one less thing to potentially give you issues in the future. That being said you'll want to make sure US style lighting is legal where you'll be traveling. If so the part # TL29BK would be an easy way to rewire your trailer to this style of lighting which would work well with your Sorento.
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• How to Wire a Ground Wire to a Trailer Light that Grounds Through Mounting Hardware
  What you would want to do is run the white wire on your trailer's wiring to the ground screw area of the trailer light to ensure that the ground will be sufficient for the light. Then you would just run the power wire to the single wire of the light and you would be good to go.
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• Trailer Lights Not Working Using Optronics Trailer Light Kit # TL29BK On 1995 Mitsubishi Montero
  Since you have tested the vehicle side connector and they work correctly, you have eliminated the vehicle side as being the problem. So you will want to check the trailer wiring and the ground connections on the trailer. The Peterson M545 trailer wiring kit you have mentioned uses a wishbone harness like the Optronics Standard Trailer Light Kit # TL29BK that we sell. This means it will have 5 wires coming out of the back of the 4-pole connector. That might be why it looks like it does...
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• Does the Standard Trailer Light Kit # TL29BK Have Enough Wire To Install on a 6x12 foot Trailer
  You should have more than enough wire, the Standard Trailer Light Kit with 25' Wire Harness # TL29BK that you referenced comes with 25 feet of wire and your trailer is only 12 feet long so you should be good. Check out the review video I attached for this kit as well.
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• Replacement Tail Light for 1998 Jayco Travel Trailer
  Trailer manufacturers do not often maintain original parts information (or availability) for items such as lights, but we can certainly help you find a suitable replacement. You may want to just install a whole new light kit like # TL29BK or a high-efficiency LED kit # TLL9RK. This will avoid the same problem of no replacement part if the other light on your trailer should be damaged. Both kits include lights, a license plate bracket and all hardware. If you prefer to replace just the...
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• Installing Optronics Marker Light MC36AB on a 6 by 10 Foot Utility Trailer
  Installing the amber, stud mount marker light # MC36AB from the Optronics trailer light kit # TL29BK will be pretty easy. On your 6x10 trailer, you will find the location you want to mount the light and drill a hole followed by another hole a 1/2 inch below the first hole you drill. Take the wire from the marker light # MC36AB and run it through the lower hole. Run the stud on the light through the second hole on top. Using a lock washer and nut to secure it to the frame. The wire from...
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• How to Wire the Lights in the Optronics Tail Light Kit # TL29BK
  Installation of the wires into the Standard Trailer Light Kit with 25 foot Wire Harness, item # TL29BK, is fairly simple, plug the corresponding wires on the # TL29BK kit into the upper (larger) holes on the back of the taillights. There are two holes for tail/brake lights and running lights. These holes are labeled. The wires should be stripped prior to insertion. The yellow wire goes on the left and is inserted into a tail/brake light port and the brown wire is inserted into a tail light...
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• Installing 4-Pole Trailer Connector on 2000 Chevy Slilverado
  Are you speaking of the wiring harness located above the spare tire? The harness is wrapped in wire loom, and should contain a yellow wire (left turn/brake), dark green wire (right turn/brake), brown wire (running lights) and a white ground wire. Peel back a bit more of the loom, and you should find a light blue and a light green wire. The light blue provides a signal for a third brake light if you installed a camper shell and the light green wire is for the reverse lights. A typical 4...
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• All Trailer Lights Work Except Brake Lights Using Tail Light Kit # TL29BK
  This is most likely a bad ground. Ground issues normally show up when there is more load on a circuit such as the constant draw of brake lights. There are a few things that could cause this to happen. The first thing you are going to want to check though is the vehicle side connector to make sure the brake signal is reaching that point. Use a circuit tester like # PTW2993 if you do not already have one to test the vehicle side connector. If the brake signal is not coming through, then...
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• Troubleshooting Trailer Wiring Light Assembly that Doesn't Work On One Side of Trailer
  Try swapping the left side light assembly with the right to see if the problem stays on the same side of the trailer or moves to the other side. If the problem stays on the same side there is a problem with the ground or the wiring of the lighting. If the problem moves then you know the issue the light assembly. You may try running a jumper wire for the ground for the bad assembly back up to the main ground of the trailer.
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• What Size Bulb Does Wesbar Submersible Trailer Tail Light Lens # 102641 Use
  The Wesbar Trailer replacement tail light lens, part # 102641, which you referenced, fits over 80" red rectangular tail lights # 403076 and # 403026. These lights take light bulb # A1157B, which uses 8.3 watts for tail light function and 26.9 watts for the stop/turn function. I have included a video review of these tail lights for you to check out.
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