Replacement Taillights with Backup Lights for KOMO Carrier

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Question:

Hello, do you have an LED taillight that offers, red running lights, red turn signals, red brake lights AND white backup lights all in one? Ill looking to replace the lights in my KOMO carrier with just such a light using my 7-pin vehicle connector. Thank you!

asked by: Ken B

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Expert Reply:

Hi Ken, we have exactly what you need. KOMO uses the standard 6-inch trailer lights on their carriers, so an LED taillight with red running lights, turn signals, brake light and white back up lights, I recommend going with the Optronics Fusion LED taillight part # OPT47NR.

This is a cool looking light at a great value that will be a direct replacement for the lights that come on the carrier. If value is more important to you than looks, then Optronics also has part # OPT57NR that is a little less expensive and will also get the job done.

It looks like the KOMO carriers only come with a 4-pin trailer connector and a 7-pin adapter, so in order to get the back-up lights to work with your vehicle 7-way, you'll actually need to hardwire the additional reverse light wire (Brown wire) from the taillights to a 7-way connector like part # PK12706. I've linked all of the parts to this page for you to check out. I also attached a picture on how to wire the 7-pin connector. It will be important that you follow the function with the pin, not the color. 7-pin connectors like this use a RV industry standard color code, which your KOMO carrier does not use.

If you have any other questions, please feel free to reply to me here. I'd love to hear what you think about this upgrade to your carrier.

expert reply by: John H

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7-pin Wiring Diagram
(click to enlarge)

Ken B.

3/17/2025

Thanks for taking the time to share these ideas, John. I have a few questions, please educate me. I consider myself above average in handy, but making sure I'm choose the right parts is my main focus. 1. The current wiring as you indicated is a 4-pin. You mention the need to run a brown wire from each taillight to the 7-pin connector. Does it make more sense to add a single wire or replace the entire cord with a new one containing the correct number of wires in a weather protected sheath? If so, what would you recommend for this application to connect both lights and reach to the 7-pin connector in the bumper? 2. Would this light also be an option, https://www.etrailer.com/Trailer-Lights/Optronics/OPT37FR.html? It looks a bit strange as it blinks to the direction of the turn. And the video clip is hard to tell if the color is orange or red. PLUS, there's no video footage of the white backup lights. How many LED's will turn white compared to the one with the X you suggested? 3. Do you have any feedback that the light you suggested with the white backup lights in an X pattern are actually bright enough to see from the steering wheel, 25' away at night? Thank you for assisting me solution for this project. -Ken

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John H.

3/18/2025

@KenB Great questions and I'm happy to help. Since you consider yourself pretty handy, I'll tell you exactly what I would do if this were my carrier. I'd cut off the 4-pin connector that came with the carrier and replace it with a jacketed 7-pin connector like you mentioned. We have a 6ft cord, part # H20044, or a 4ft cord, part # H20043. Then I'd just splice the wires from the taillights to the wires in the jacketed cord with heat shrink butt connectors, part # DW05744-10, again by function, not color. Black from both lights to green on the 7-pin cord Left taillight brown wire to red wire Right taillight brown wire to brown wire White wires to white wire Brown taillight wire to yellow wire As far as brightness goes, the X design light, # OPT47NR, has 8 back-up light LEDs and the light you asked about, # OPT37FR, has 4 back-up light LEDs. I went and pulled both lights from our shelves to test them against each other and the X design was noticeably brighter. In my opinion, these will be your best/brightest option for taillight with integrated backup lights. These will be your best option short of installing separate and more powerful back-up lights.

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Ken B.

3/18/2025

@JohnH Thank you for the additional information. The cord which runs from both taillights is quite a bit longer than 6', more like 15'. Which if I were to use a shorter cord would need to drill some new holes in the carrier, which I'd prefer not to do. A couple feet of the cord runs outside the carrier itself. I need to check: 1. how many wires are actually inside the sheathing which is connected to the 4-pin connector. 2. How long the current cord is - and if I can shorten it without drilling new holes. I suspect the current cord is only four wires, rather than the 5 needed to accommodate the backup lights. If this is the case, I'll need to run 2 separate brown wires (as you mention) from the bare wire end of the 7-pin to both of the taillights. Which I could possibly do with a 6' sheathed 7-pin cord. And use the current cord spliced into the new 7-pin cord. OR find a suitable 5 - 7 wire sheathed cord that's 10-12' long with a 7-pin/bare wire connector end. AND a second one that's 4' long, with bare wire ends to run from the passenger side taillight to the driver's side, inside the carrier. Which option sounds more feasible to you? If possible, I'd prefer to keep the project cost to less than $100. Is this even possible using the Optronics Fusion LED taillight part # OPT47NR? BTW, I couldn't find whether the price listed is for ONE or A PAIR of these lights? If pictures would assist your understanding, I can send some, but it appears I'll need a true email address for that. Thank you.

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John H.

3/19/2025

@KenB I'd go with your first suggestion and not fool with trying to run thicker wire through the carrier. Some nice wire loom can make everything look clean and professional like part # 39035. I think I have something for you that you'll like, it will just require a small amount of extra work on your part, but you're handy, so it will be a piece of cake. First, the price is per light, so that will increase the expense a little, but all 6-inch oval trailer lights are sold individually. Since reverse light brightness is a concern of yours, another light I'd consider is the X LED Taillight, part # BUL602CRB. It will save you more money over the X design light I mentioned above and has PLENTY of backup light brightness. The red stop/turn/taillight is a bit smaller, but still effective. If you are like me and don't mind saving a few extra bucks by doing things yourself, For the wiring you can get sheathed wiring by the foot - Jacketed 6-wire # DW04906-1, and the 7-pin connector I mentioned above, part # PK12706. And don't forget the butt connectors, # DW05744-10,

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Replacement Taillights with Backup Lights for KOMO Carrier

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