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The CheeMuii 8FT 7 Way Trailer Wiring Harness Kit features a robust, waterproof junction box with 7 color-coded terminals for easy, error-free installation. Equipped with a 12V breakaway switch, it enhances towing safety by activating trailer brakes if disconnected. Designed for universal use with trailers, RVs, and campers, this 8-foot harness ensures reliable electrical and thermal conductivity for all lighting functions, backed by a 1-year manufacturer warranty.







| ASIN | B0BM4DZYTB |
| Best Sellers Rank | #415 in Automotive ( See Top 100 in Automotive ) #1 in Towing Hitch Wiring |
| Brand | CheeMuii |
| Built-In Media | 7 Way Trailer Plug |
| Color | 8FT Trailer Wiring Harness Kit |
| Connector Gender | Male-to-Female |
| Customer Reviews | 4.6 out of 5 stars 1,486 Reviews |
| Item Length | 8 feet |
| Item Type Name | 7 Way Trailer Cord |
| Item Weight | 1.37 kg |
| Manufacturer | CheeMuii |
| Mfr Part Number | RLX-DL015 |
| Model Number | RLX-DL015 |
| Plug Format | 7-pin flat connector (4-flat) |
| Plug Type | 7-pin flat connector (4-flat) |
| Power Cord Prong Count | 7 |
| Unit Count | 1 Count |
| Warranty Description | 1 year manufacturer |
A**O
Weathered the storms.
This is a well made product done right. The box has holes inside that you can use self-tapping screws to place on the side of the frame. Then there are plenty of rubber grommets to fit to your wires exiting the box. This is the happiest I have been with a trailer wire system ever. Made requiring a snap. Clear color coding and even came with a plug holder for when the trailer is parked. After 2386 miles through two “hazards on” storms in Illinois on Rt 66 and in Oklahoma with tornado warnings on I-40, dust, heat and flooding on roadsides, they are doing great!
M**K
Great product!
Well made, pretty straightforward install on our 2014 Grand Design Solitude 369 RL.
H**.
Perfect for replacement purposes
Worked perfect , cord was plenty long, wiring box made the change over super quick and easy.
J**T
Very nice! Keeps wiring organized.
This is my first trailer project and I appreciated how the wiring installation was clear. After a trial-and-error learning curve on my part, all my lights work and the brakes as well. First picture is about halfway through the wiring process. In the end, I attached a solid ground to the trailer and white post in the junction box, and used split wire loom tubing to cover the wire. It came out looking professional in the end.
C**C
good product
This was a good product for the price point. i used it to rewire lights and brakes on my equipment trailer. The junction box and wire coding were very helpful. I spent time as an automotive electrician so this was quite simple for me. The only thing I don’t like is the plastic plug holder. It’s a very minor thing. I think making it out of thin sheet metal would be a huge improvement. only reason for 4 star. time will tell on longevity
C**A
Good Quality and Value
Good quality kit with a clear set of instructions explaining the differences between the wiring systems on RVs and trailers. Made it very easy to fit and wire into my trailer lights. Exactly what I needed and a very satisfied customer. Very good value.
B**R
Trailer Wiring
Worked great and made wiring my trailer much easier
A**R
Plug and cord
Good product
M**N
Great product great price!!
Works well
G**N
Bonne description
Très satisfait
K**S
Good value
Good replacement for rewiring my trailer, cord does get really stiff in the winter but hasn’t effected the performance. Good all in one kit for the price
D**D
bon produit :)
livraison rapide, le produit est en bonne état , il reste juste a l`installer :) merci je recommande .
B**H
Good
Works as should! Seems good quality
Trustpilot
2 weeks ago
2 weeks ago