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Replaces a damaged harness and 4-way plug for your Tow Ready Nissan vehicle wiring harness (118525). Does not include the relays needed to activate your Nissan's tow package.
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Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Hey everybody, Ryan here at etrailer. Today, on our 2018 Nissan Frontier we're gonna be showing you how to install the tow ready replacement four-way flat wiring harness. Before we get into that though, why don't we just check this out and make sure it's gonna work. So what this is gonna be is just a replacement harness, to replace your existing one whether it's a factory one or an aftermarket one. And the reason being, a lot of times these can just get damaged, you know corrosion and if it's out in elements all the time or maybe you left it plugged into your trailer on accident and, you know, when you go to disconnect and drive away and it rips it out or you know, there's a lot of different things that can happen, that can just cause this to get worn out. You know, maybe try to push it in wrong and this broke, whatever the case may be.
So if that happens, you don't have to deal with getting a whole entire new kit. You can get just a harness, plug it in and get going again. I want to mention though, you have to have the relays installed for your factory tow package. So, if you're trucked didn't come equipped with the, you know, with a factory tow package, you know, a four way or seven way, you'll have to get that kit for this to work. This is just one of two pieces for the whole thing so you know if that's something you need, you can always find those parts right here at etrailer.
Aside from that though, that's really about it, you know, not a whole lot to the setup. One thing I like to do is take wire loom and put it over the wire here. Just kind of cleans up our install look a little bit more. And you can also, you can secure wiring like this, or if you wanted to, you can get a four-way flat bracket and screw it to your bumper, your hitch, or wherever you want to mount it, and do something a little bit different there too. So that's always an option, but other than that at the end of the day, it's going to be a good solution for you and a quick fix for a lot of you out there that might have damaged your connector in there.
As far as getting it installed goes, I mean it's it's about as easy as it gets, you essentially plug it in, and then zip tie it up and run it over here. So, I really shouldn't run into too many issues. If you'd like to see how we did that though. Feel free to hang around. We'll go ahead and install it now.
So to begin our installation, we're going to be here, at the back of our Frontier, working on the driver's side frame rail, right here in this area where our factory connector's located. Here's our factory connector and with this being a replacement end our customer already removed their old one. So, all that's left for us to do really is plug this in. I'll route our four-way flat over to our hitch and show you what it looks like once I've done that. Got our wiring all routed up. So, I used a zip tie, secured it here, just ran it along, through here where it drops down and I have. If I can get it undone now. I just took our dust cover and put it around our safety chain opening and that's what's securing our wiring. So I went ahead and put some wire loom on over our wiring just kind of clean up the install look. Then I plugged in this tester here. That way we can check our wiring. I suggest using something like this, as opposed to plugging into your trailer because if you plug into your trailer, if it has any issues, it might mislead you into thinking it's something on the vehicle side. But with that said, we'll go ahead hop in our truck and run through the signals. I'll go ahead and turn on our left turn signal, our right turn signal, hit our brakes, and then turn on our taillights. That'll finish up our look at, and our installation of the tow ready replacement four-way flat wiring harness on our 2018 Nissan Frontier..
Average Customer Rating: 4.8 out of 5 stars (79 Customer Reviews)
Replaces a damaged harness and 4-way plug for your Tow Ready Nissan vehicle wiring harness (118525). Does not include the relays needed to activate your Nissan's tow package.The plug fits into the OEM vehicle plug the color code for the wires are not the same you have to cut the plug off and redo it the ground wire was not even grounded out to the vehicle had to manually ground it but otherwise if you know what you're doing it's it's okay but if you don't know what you're doing Plug and Play it's not happening it said it fits for a 2022 wow it fits but The Wire code is not the same you buy it prepare to cut the plug off and redo it example the green is supposed to be I think the left blinker well the brown was left blinker the ground it was no ground you have to manually ground to the vehicle
I loved, great store outstanding service , very fast service great information on instructions video , I will recommend to anyone about the products that i both excellent , I will definetly do business with E-trailer again , thank you so much
The part that I purchased is good. The harness fits and seem to be very good quality. My Exterra had the connector in the back to plug into. I thought that this harness was all I needed to make a connection to a trailer. After connecting the harness I only had turn and break lights. I did not have running lights. I needed to purchase a receiver hitch tow harness kit from nissan (part # 999T8-N5005). This kit includes the relays that are needed to safely run the running lights on this car. Wiring into the running lights as a shortcut can cause damage to the computer.
I received my Hidden Hitch and OEM wiring harness for a 2012 Nissan Frontier faster than expected as I took advantage of the free shipping. The hitch bolted right in place with no difficulties and the wiring harness fit correctly. I haven't had a chance to use either as yet but I'm confident everything will work as expected. When I purchased my new truck it was the truck salesman who recommended etrailer to me and I am glad he did.
Quality product, quick and easy install on my 2010 Nissan Xterra. Only part that gave me some trouble was getting the factory cap off of the Pre wired plugin. Once the cap is removed, the wire harness plugs right in and you zip tie it in a few spots and your done.
Having trouble making it work with the vehicle. Marker lights aren't working, but the lights on my car are.
Mike L.
10/24/2018
From what you describe, it sounds like your Xterra is missing a relay that activates the running light circuit in your tow package wiring. We offer the relays as part # C57000. The fuse block that the relay plugs into is typically located to the left of the steering column, on the underside of the dash. The lower portion of the dash should be removable or should be hinged so it can be lowered to access the fuse block.
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Great quality part
Looks like it would work great but was for a friend and he hasn't put it on his car yet. :)
Great product. It took me maybe 5 minutes to plug the wire harness into the factory connector, now it's trailer ready.
Had a little problem taking the plug cover off the factory installed wiring harness on my Nissan. But once I figured it out, the new harness snapped in beautifully. I used a couple additional ties to keep the wiring harness tight to the frame. Good purchase.
Shipping was incredibly FAST. I installed it myself. This harness is great. Just plug it in and back up to the trailer and GO. Easy enough that I could do it with 0 (ZERO!) electrical skills.
Plug fits, correct length. I wish Nissan ran running lights to their 4 pin connector without needing extra parts or tapping another wire though.
Wiring harness and Hidden Hitch both fit perfect and was easy to install on my Nissan Frontier.
I like the price and the part was exactly what I needed. Then I was informed of everything going on from shipping to arrival. Thank you for the great service, you guys really know how to treat your customers well. I recommend you to anyone I know looking for parts.
Fit right on the existing wiring harness. Although I have not hooked a trailer up to test it yet.
Excellent packing and timely arrival. Your hitch is built like a tank and obviously meant to last. Installation was a breeze as everything fit like it was supposed to.
I would definitely reccomend your product.
The product arrived on time as advertised. I have used etrailer numerious times with complete satisfaction.
Should have read a bit closer, purchased and found out after the fact that I need an additional connector with relays. Information was
supplied on website, I just overlooked.
Customer service was very friendly and helpful (did a fantastic job). Your customer service rep is the primary reason I will do business with etrailer in the future. I received the part ahead of time. The part was the correct part and was easy to install. I will definitely order from etrailer again.
I wanted you to know that I found dealing with E Trailer was
a great experience no hassle, fast, your operator was great
the product fit and was easy to install great price. I would recommend to friends and already have.
Would order parts from etrailer with no hesitation. Had what I needed for a reasonable price. Thanks again.
Part was just what I needed and price was fantastic.
VERY EASY TO INSTALL JUST A SIMPLE UNPLUG OF FACTORY CAP AND PULUG IN THE HARNESS DOESNT GET ANY EASIER TO INSTALL THAN THIS HARNESS. AND A GOOD PRICE FOR THIS HARNESS. VERY HAPPY.
Arrived on time and worked perfect. I would recommend etrailer for any related needs.
Easy to install, looks like factory, very happy. Thanks
Gary
12/12/2021
Excellent after 1 year it still looks and performs like new. Couldn’t be any happier with this product.
Do you have a question about this Accessories and Part?
Info for this part was:
At etrailer.com we provide the best information available about the products we sell. We take the quality of our information seriously so that you can get the right part the first time. Let us know if anything is missing or if you have any questions.
Byron Z.
12/4/2012
CAN U RUN THE PLUG WITH OUT [RUNNING LIGHTS ].OR WILL IT DAMAGE THE SYSTEM. AND WHAT WAS THE COST OF THE RELAY KIT FROM NISSAN $$