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The eTrailer 7-way junction box was a correct fit for the upgrade of my 4500-lb, dual-axle trailer with EOH control of the new disc brake system. The junction box was mounted on the trailer winch brace, allowing close proximity to the EOH controller and the breakaway kit. The box has multiple wiring ports, rubber grommets, and a heavy-duty, 7-pin wiring harness to reach the tow vehicle. The terminals within the box allows for proper connections of lighting, DC systems, EOH brake wire using crimped eyes mounting on solid terminal screws. Very clean, watertight, and easy to troubleshoot for any bad connections.
The box is well designed with multiple cable entry points to choose from. The cord with connector is preinstalled. One negative is the insulated lugs provided for use on the trailer side wiring. Make sure you check the wire sizes in the trailer side loom before you use them. They were not the correct size for the smaller gauge wires on my trailer harness and could be pulled right off after crimping.
My wire colors did not match. Old plug did. The correct light function I had to use trail and error.
The product is great and service on your end is great. The problem I have is shipping. I ordered on Thursday afternoon and shipped immediately. It did not arrive until Wednesday afternoon next week. Also the tracking is lacking. If you could use UPS instead of USPS might help.
Thanks
Wiring into a junction box makes so much sense and easier. I’m looking forward to having better lighting and brakes along with easier access to wire in my auxiliary lights.
This item was shipped in the same box as a 12K jack. The junction box was destroyed. After calling etrailer, they promptly shipped out a new junction box so I could finish wiring my trailer.
This 7-way upgrade kit with junction box came a mere 2 days after I ordered it, which is great. The entire connector set came nicely assembled and it has everything I need to easily connect it in place of my damaged 7-way cord & connector. This upgrade will assure easy replacement should I squish my cord with my tailgate again. All I will need to do is solder the provided connectors to my existing wire set and get 2 bolts to bolt the box to the 5th wheel hitch. This kit is very robust and is even better than I expected.
A quality made item. The description was not clear to me. I misunderstood the RV Connector therfore I couldn't use the item
Nice quality and fast shipping, if you have any questions about a product the friendly staff are very knowledgeable and helpful
The etrailer web site is so easy to navigate and ordering is super easy. The delivery is really fast.
Product is great easy installation. Would recommend to anyone.
Over-all it seems good. I was missing one nut on one electrical connector and the plastic seems a bit cheap. I will wait to see if it holds up over time.
I went with etrailer over taking a risk with a similar Amazon product because I felt I could trust etailer's products better. I wasn't disappointed. Great quality and all the parts you need to do the job.
Very nice junction box. I like all the options included for trailer wiring installation.
Junction Box is flimsy, difficult or impossible to seal and the studs inside rust.
Installation of this product was extremely smooth. Installed on a 2023 Jeep Gladiator. With the harness it was plug and play.
Great item to replace your old trailer hook up. I did fine the almost same 7-way kit and junction box for less than etrailer charges $26.00), but the kit did not include the connectors that you can purchase for less then $5.00 at HF.
a very nice upgrade from the proprietary Lance 6 pin.
Easily ordered, delivered on time, installed in less than 1hr. and most importantly, did not leak when it poured last night. Thought it might be over kill at first, but I am very glad I chose this product.
Great, makes testing simple
Easy mount and came with labels for each color wire to match up your wires on your trailers. Recommend for anyone with a newer truck with the 7 plug.
Good quality, took a long time to arrive at etrailer which held up my whole order. Ashley though was very helpful and kept in communication
Fast shipping!! Everything was in good condition!! I will leave a review when I get the new lights and 7 way hooked up!! Thanks again guys!!
This product is very nice, check the connectors inside the box to make sure everything looks great. My ground wasn’t crimped well but Joann immediately sent out another one without question getting it the next day. Great customer service! And this one was perfect.
Brooke M.
1/16/2025
Joanne is awesome! Ill make sure she gets to see this review. Thanks Anne!
Fast and accurate.thanks
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Victoria H.
4/1/2025
I'm glad to hear Ashley kept you informed and was helpful to you, even though there was a delay in your order Michael. What are you hauling?