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Expert Answers about Kia Trailer Wiring


  • Taillight Converter To Go From Combined Wiring System On A Miata To A Separate System On A Trailer
  • It sounds like your trailer has a separate wiring system and your Miata is a combined system. I recommend adding the Vehicle to Vehicle Tail Light Converter Item # 118158. This kit allows you to go from a combined system to a separate wiring system on a trailer to allow the lights to function normal. The wires you have on the trailer are most likely split to each taillight from the front which is typically called wishbone wiring. What this means is when you wire the converter in place...
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  • Will GloLight LED Trailer Tail Light Wire to Trailer Wires
  • Hi Bill; you'll need the plug-in pigtail, but yes the GloLight LED Trailer Tail Light # STL111RB will connect to the wires on your trailer. The pigtail you'll need is the 3-Wire Pigtail for Optronics Trailer Lights # A45PB. On this pigtail the white wire is ground, black is tail light, and red is turn signal.
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  • Recommended Wiring Harness for a Salt Water Boat Trailer
  • For a salt water boat trailer, I recommend using the 35 Ft 4-Way Trailer Wiring Harness item # A35W42B. This 42' harness is trimmable and has two tail light wires that split at the harness. This is beneficial because the separate wires can run down each side of the trailer to tail lights without needing a jumper wire. You're also going to want to use the Primary Wire Heat-Shrinkable Tubing item # DW05452 to keep out the water when you're connecting to your lights.
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  • Troubleshooting OL Error On Curt Triflex Brake Controller
  • The OL or overloaded output circuit error on your Curt Triflex means there is a short in the brake output wire. What you described as far as the wiring goes checks out, and it sounds like you inspected everything for a short. If you didn't check it, you also want to take a look at your 7-way connectors. If corrosion is present it is likely the problem. Since it is a new trailer I wouldn't really expect the trailer to be the issue. If you're getting the error without the trailer connected...
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  • Function of Brown Wire on 7-Way on Homemade Flatbed Trailer
  • Even on manufactured trailers wiring colors can vary so there is no way to say for sure. The only way to know which wire is tied to which function is to trace the wire back. On an SAE standard 7-way the brown wire would be the tail/running lights. On an RV standard it would be the right turn/brake light. Since it is a homemade trailer it could be anything. I recommend tracing the other wires back, not just the brown wire, to see what they are connected to just to make sure you wire it correctly.
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  • Can wiring harness for trailer lights be installed on 2024 Ford Bronco?
  • Yes! You can install the Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector # C87BR if your 2024 Bronco does not have LED tail lights. If it DOES have LED tail lights then you'll instead need Curt T-Connector Vehicle Wiring Harness with 4-Pole Flat Trailer Connector # C42WR. Each of these kits include everything you'll need for the installation and use. I attached an installation video, but basically you'll connect the converter's black wire to battery positive,...
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  • Wiring A New 2 Wire Light Bar to a Boat Trailer With 4 Wires
  • I'm not too sure what you've got going on over there Jim, but what I can tell you first need to find out what each wire does on your boat trailer. After you find out what each wire does, you'll just need to connect it to the new light bar's corresponding wires - the red is likely used for power and the white for ground, but you'll want to double check.
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  • Troubleshooting Low Voltage Output from Brake Controller
  • Something is obviously causing a voltage drop between the brake controller and the trailer connector. The usual culprit in this type of situation is a break in the wire or a corroded wire. Check the wiring under the truck. You should be able to trace the trailer connector wires from the back of the trailer connector up toward the front of the truck. Look for any sections that look like they may have been pinched, frayed or even eaten through. If there are any wires spliced in or quick splices,...
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  • Recommended Wiring Harness For EcoHitch Invisi Trailer Hitch Receiver On a 2021 Subaru Ascent
  • The EcoHitch Invisi Trailer Hitch Receiver # 306-X7381 for your 2021 Subaru Ascent only has the mounting bracket for a 7-way connector. No wiring for the trailer connector is included with the receiver. The Tekonsha OEM Replacement Vehicle Wiring Harness with 7-Way Trailer Connector # 118290 is the wiring kit that you will need to install a 7-way connector on your receiver. The wiring plugs into the factory connector inside the back of your Ascent. If you have a larger trailer that...
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  • Trailer Wiring Harness that Fits 2018 Nissan NV200
  • The only solution we have for installing a trailer wiring 4-way on your 2018 Nissan NV200 is going to be with the part # 118597 which installs by plugging inline with the vehicle taillight connectors. Or you could hardwire in a kit like the # C59236 if you wanted to wire directly to the wires instead of mess with connectors.
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  • Replacing 6-Way of Trailer with 7-Way Wiring Diagram
  • 6-way and 7-way wiring typically use different wire colors by function so there isn't going to be a way to use the color of your wires to install the part # HM48502. So the best solution I can give you is to use a jumper wire from a 12 volt battery positive post to put voltage on all of the wires on the trailer's wiring so that you can identify all of the circuits and then use the attached diagram by function.
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  • Wiring a 2024 Toyota Sienna To Pull a Airplane Trailer With European Trailer Wiring
  • I have a solution for you as while you don't need the converter with the ZCI Circuit Protected Vehicle Wiring Harness # 119250KIT to combine your wiring you do still need a powered converter to prevent placing to much draw on the factory wiring harness. You can simply wire in the 2 to 3 Wire Tail Light Converter # C56196 between the 4-way and the European trailer connector on your airplane trailer. The Pigtail # HM48110 can be used so you can simply unplug the converter adapter and tow...
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  • Creating Wiring Adapter To Go From 2024 Toyota Sienna To Control Lights On European Wired Trailer
  • Very close to that Steve, I am recommending 2 converters but both of them would be mounted on the vehicle side. The ZCI Circuit Protected Vehicle Wiring Harness # 119250KIT would mount to the tail light wiring and will power the trailers lighting functions. But since your trailer has the separate European wiring with the separate tail lights you could wire the 2 to 3 Wire Tail Light Converter # C56196 into a 4-Way # HM48110 so it can be connected and disconnected as needed for other trailers...
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  • Troubleshooting A 2020 Nissan Frontier 7-Way Wiring Harness That Has Constant Power To The Brakes
  • I would start by checking each connector on your T-One Vehicle Wiring Harness # 118266 to ensure that you don't have any bent or damaged pins or any debris in the connectors. If not and all connectors are fully connected together then you'll want to test the 7-way to rule out that the wiring harness is the issue. I've attached a wiring diagram below which you can use to identify the prong/wire functions. If the functions on are correct on the 7-way on your 2020 Nissan Frontier then we...
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  • Trailer Wiring Harness For 2025 Honda Pilot
  • Hi Ed, We do indeed have trailer wiring harnesses that fit your 2025 Honda Pilot. I went ahead and checked directly with the manufacturer for you and verified there are two options - a 4-way and 7-way: - 4-Way: Curt T-Connector Vehicle Wiring Harness # C48ZV - 7-Way: Curt T-Connector Vehicle Wiring Harness # C35ZV Use the 7-way if you are towing a trailer with electric brakes and have a brake controller, but if your trailer doesn't have electric brakes and you just need the harness...
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  • 2013 Toyota Sienna Replacement Trailer Wiring Harness Recommendation
  • Thanks for reaching out! We do have replacement trailer wiring for your 2013 Toyota Sienna and for that I recommend the Tekonsha T-One Vehicle Wiring Harness # 118498 because of how reliable it is. If your current wiring has this same style where it pulls power directly from your Sienna battery via the power wire then I recommend checking to see if the fuse needs to be replaced before you replace the entire wiring harness. The fuse should be located in the engine bay near your battery. Attached...
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  • Is Black or White Wire of LED Trailer Fender Clearance Light # MCL180ARB Ground
  • Your guess is correct Dave! The white wire of the LED Trailer Fender Clearance Light part # MCL180ARB is the ground wire and the black wire is the power wire.
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  • What Does A Curt Powered Tail Light Converter Do?
  • No problem, Arlo. The Curt S0602U-R1 is a powered taillight converter, similar to part # C59236. Basically the converter is part of a trailer wiring harness, probably for a 4-flat trailer plug. The converter is wired directly to the vehicles battery. This helps prevent the vehicles electrical system from being overloaded when powering trailer lights. This converter is a circuit-protected, battery-powered unit that bypasses the electrical routes that are used by a basic wiring harness. As...
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  • What do You do With Other Ground Wire When Replacing 7-Wire 5-Way With 6-Wire
  • Hi Mark, When replacing your connector with 7 wires with the 5-Way Trailer Wiring Harness # A25W5B, you can splice the grounds into one, so you won't have an extra wire.
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  • Recommended Trailer Hitch and Wiring for a 2023 Kia Sorento
  • Sharon, the etrailer Trailer Hitch Receiver # e28AR does not come with wiring - you'd also need the Curt T-Connector Vehicle Wiring Harness with 4-Way Flat Trailer Connector # C99DR.
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