7-Way to 4-Way/5-Way Trailer Adapter for Vehicles with Lamp-Out Sensors Towing Trailers with LEDs
(76 reviews)
Price: $25.08
7-Way to 4-Way/5-Way Trailer Adapter for Vehicles with Lamp-Out Sensors Towing Trailers with LEDs
Item # C35FR
Retail:$41.18
Our Price: $25.08
You Save: 39%
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- Reviews (76)
- Q & A (0)
- Videos (2)
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CURT Trailer Wiring - C35FR
- Wiring Adapters
- Multi-Function Adapter
- 5 Flat
- 4 Flat
- Plug Only
- CURT
- 7 Round - Blade
Curt 7-way connector to 4-way or 5-way flat connector is designed for use on vehicles with Trailer Lamp-Out sensors when towing a trailer equipped with LED lights.
Features:
- 7-Way RV style adapter to 4-pole and 5-pole flat trailer connectors
- Designed for use on vehicles with Trailer Lamp-Out sensors - such as Audi, Mercedes-Benz, Porsche, and Volkswagen vehicles with the factory tow package
- Plugs into a 7-way connector on the vehicle and 4-way or 5-way flat connector on the trailer
- 1-Year limited warranty
57004 Curt 7-Way to 4-Way and 5-Flat Trailer Adapter for VW, Audi, Porsche, and Mercedes-Benz Towing Trailers with LED Lights
Video of 7-Way to 4-Way/5-Way Trailer Adapter for Vehicles with Lamp-Out Sensors Towing Trailers with LEDs
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Video Transcript for Curt 7-Way to 4-Way/5-Way Trailer Adapter Review
Hello neighbors. It's Brad here at etrailer. And today we're taking a look at the cut seven to four and five pole adapter. So as the name implies you are able to adapt a factory seven way to a four and five pole. And that's really nice because a lot of vehicles will have the factory seven way on there but maybe not the four pole. So if you look came to hook up to a trailer and realize that they have a four or five pole, you might be out of luck or have to run additional wire to permanently mount it.
Well, that's where this comes into play. So that's gonna allow you to be able to have your seven way, your four pole, as well as your five pole just with plugging into the factory seven lane. Now, sometimes your towing vehicle will not recognize the LED lamps on your trailer. And that's where this is great too as plugging that in is gonna allow this to send that signal to your vehicle making sure that your lights are actually working with your signals. So like our neighbor here they have a trailer with a four pole but they got a new vehicle that has a seven way.
So instead of having to run all new wiring for it you can simply plug this into the factory seven way. You can take your four pole and plug it in or if you have the same vehicle but you're towing a different trailer. This gives you that same ability. So having this is going to allow you to hook up electrically to those trailers. So now let's go ahead and test it.
So first I'm gonna start with my running lights. Next I'm gonna do my left turn signal, my right turn signal. And then finally my brakes. Now this neighbor also toes, a boat trailer. So having the five pole is gonna be really nice for the surge lockout as well as reverse light.
Now, for some of your foreign vehicles or high end vehicles that have LED taillights sometimes they don't have enough power to power the trailer lights. Well, this is gonna help with that. Allowing that to give it enough juice to be able to still retain your lights on the trailer. Something that's really nice about this is the size and that if you normally tow a seven pole you can simply swap this in whenever you're picking up a different trailer and need to hook up or really you can use this to hook up to any trailer. You have that ability and you can keep this in your glove compartment until you need it. And that was a look at the cur seven, two, four and five way adapter..
Customer Satisfaction Score:
98% were satisfied with this product
2% of customers were not satisfied
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Customer Reviews
7-Way to 4-Way/5-Way Trailer Adapter for Vehicles with Lamp-Out Sensors Towing Trailers with LEDs - C35FR
Average Customer Rating: 4.7 out of 5 stars (75 Customer Reviews)
Curt 7-way connector to 4-way or 5-way flat connector is designed for use on vehicles with Trailer Lamp-Out sensors when towing a trailer equipped with LED lights.by: Robert B05/31/2024
This adapter is perfect for enabling LED trailer lights for use with an older vehicle that uses incandescent lights. In my case, I use a 2004 Sprinter as a tow vehicle, and without this adapter, I had no brake lights, turn signals, or flashers on a Wells Cargo trailer built in 2014. With the adapter, all trailer lights work! Other solutions exist to fix this problem, including external resisters that provide sufficient load to trigger the lights, but this adapter is the perfect simple fix.
by: Chip O03/11/2024
Incredible service by e-Trailer and specifically by Emily who answered my questions even on Sunday! She was knowledgeable about the product and knew exactly what I needed to solve the problem with the lights on my trailer. I would do business with e-Trailer again in a heartbeat. They are the best!!!
by: Dean S.10/14/2023
When my 4-pin trailer light plug was plugged into my Jeep Grand Cherokee (GC)'s 4-pin connector, the GC reported (on the dash and via a highly annoying beep every time I hit the brakes!) that the LED trailer lights were out, presumably because LED lights don't draw enough current (don't have enough resistance). When using this adaptor that plugs into the GC's 7-pin connector and adapts to my 4-pin plug, problem solved! (I had plugged into another trailer that had incandescent lights, and I didn't have a problem. So I can use this adaptor when I'm pulling a trailer with LED lights, and not use it when I'm pulling one with incandescent lights...perfect!)
by: Bradley 03/20/2024
Exactly what I needed for my audi trailer lights now work perfect
by: Dini07/02/2022
Product as described and works as it should. I have this adapter on a 2008 Mercedes ML320 CDI and a 2008 Mercedes GL320 CDI. I have hooked both suvs into uhaul trailers with led lights and everything is working good.
by: Wayne T02/24/2024
Well built and works well with my OEM Toyota Tacoma towing package.
by: Steven12/28/2023
Works great and solved the trailer light issue with my 2020 GMC Sierra.
by: Dino 09/05/2022
Works great on my 2008 ML320 oem traile r.
Dino
9/6/2023
Still working great. I keep in my trunk as part od my car kit.
by: Keith 06/02/2024
Works perfectly on my Porsche 955!
by: Marvin 05/22/2024
The adapter works great
by: Robert D04/08/2024
Works great!
by: Pat04/07/2024
The product was exactly what I needed. Thanks for the help.
by: Arthur12/22/2021
Fixed the issue I had with my Mercedes GL550 not switching to towing mode and enabling all the LED trailer lights!
by: James 02/12/2024
Works like a charm.
by: Dikina Bawks05/03/2023
Was having a dilemma about how to address the hyperblinking and other issues with my trailer LED lights. This worked perfectly, and was quick and easy. Seems to be a well constructed product as well. 2021 Sprinter
by: Michael12/20/2023
Works well.
by: Ed B.11/26/2022
I ordered a series of parts to use a hitch extender for my truck camper. The process was easy, the online specs and details ensured I ordered the correct parts. Everything works as advertised a year later. I’m pulling a 16’ enclosed Sure-Trac trailer for my UTV and it lights up the night. Thanks etrailer for an easy process.
by: Alex07/14/2022
Doesn't work with my 2021 GMC 3500 HD Sierra. The 7 way works with trailers but I can't get the adapter 4 way to work with LED lights. The truck sees that there is a "trailer" attached but the LED's don't work. If I put the LEDs on a 12V battery they all work brilliantly.
Called CURT. They didn't know what would allow LEDs to work with my truck.
Looking for a solution.
Brooke M.
8/3/2022
A simple and perhaps silly thing to do would be to make sure that everything is properly seated on both the trailer side and vehicle side. Additionally, this part does have a one year limited warranty you may want to look into if making sure things are plugged in all the way doesnt help.
by: Dwayne 09/07/2023
Worked perfectly
by: Mark 08/20/2023
Perfect match. Great quality.
by: Greg05/01/2023
Did not work as advertised, Requested r efund.
Jenny N.
5/2/2023
I wanted to reach out and see what was not working with the adapter? I would like to see if I can help.
Greg
5/3/2023
The adapter is supposed to work for cars that pull a trailer with LED lights, I plugged it in, and nothing. I plug in non LED lights and it works. How do I go about sending it back for my refund? I put in a request and haven’t seen a email regarding it.
Jenny N.
5/3/2023
I will have our Customer Service team contact you about returning the adapter.
by: Mark 07/31/2023
quick service and delivery, good consultation and the product worked perfectly!
by: Austin 10/05/2022
This solved my tow light issues when connecting a LED light to a Volvo XC60.
by: Gary08/14/2020
Problem solved! I had ordered a set of the Blazer wireless LED trailer lights for the towed vehicle behind my motorhome. They didn't work. After trying another set that didn't work then calling the manufacturer I was about to give up. However, thanks to Tommie C at etrailer, he recommended this adapter and it resolved the issue. etrailer is the BEST! Great products, great customer service, great technical support.
by: Michael 07/19/2021
I recently purchased this product and it solved the light monitoring system errors that I was having with my 2012 BMW X5. My trailer was equipped with LED lights and the adapter was the perfect solution.
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Show More Reviews
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Info for this part was:
Edited by:
Lindsey S
Installed by:
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Installed by:
Bradley B
Expert Research:
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Video Edited:
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Video by:
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Updated by:
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Updated by:
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Dini
7/3/2023
Still Great after a year. I couldnt be happier! Great for cars with no led lights to hook up trailers with LED lights