How to Wire a 7 Pin Trailer Plug (Vehicle Side)
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- Опубликовано: 2 окт 2024
- Trailer wiring can be one of the most intimidating components of your towing setup, but it doesn't have to be. Most of us aren't electricians, but that doesn't mean wiring a trailer is beyond us! We'll walk you through the vehicle-side wiring process for 7-pin plugs, so you can get your trailer up and running in no time.
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This video should have been named 'how to REPLACE' a 7pin plug.
Can we just stop and appreciate that this channel has 61 THOUSAND videos uploaded!? That’s insane. Just today there was like 300 uploaded, how is that even possible.
Kudos to the determination lol. Also good video haha.
It's pretty cool, isn't it! Thanks for the kind words....
@@etrailer it’s seriously impressive lol. Kudos to you guys. Good quality videos too 👍
This comment made me go ahead and subscribe
Where is the video showing the wiring from the front of vehicle? I need to start fresh.
go to 1:40 in the video
@@weldcrescentcity34 Like the other guy- the reference is to a "previous" video that shows complete vehicle wiring. That separate video is what we need.
He are some guide pages that will help you out! www.etrailer.com/faq-installation-of-brake-controller-from-scratch.aspx and www.etrailer.com/faq-etbc7.aspx And here is a broad spectrum page with brake controller guides just in case! www.etrailer.com/article-categories.aspx?productgroup=Trailer-Brake-Controller
Can you please share the link to the video
PERFECT DIRECTIONS
You have 1,000,000 videos, why not add the url link to the viseo discription of the video where you mention wirongnfrom scratch?
What I find confusing is when a blue wire is for "brakes". But, the brakes use the left and right turn signal wires, and I think a higher voltage on that wire, brightens the output of the bulb when you hit the brakes. So, what does the "stop" wire do? Is that for electric brakes, and the signal causes the brakes to engage?
where is the vid to wire it from scratch??? I just used a pre existing plug on a new used truck i just purchased. A 2000 freightliner fld120. My issue is that everything works but it has no brake lights. Everything on the truck works fine and I ran a test light on the ground at the pre existing plug and it seems fine. Blinkers work fine but no brake lights. Cant figure it out.
where did you get that light tester with probe guard?
?
My Toyota pickup has a 7 way round plug and I'm not sure if it was ever hooked up for breaks there no break controller in it as far as I know and I don't know how to test if anything other than the pins for the ground blinkers, running, and break light work. I know they work because I have an adapter that goes from 7 to 4 pin. Any advise?
What model year is your Toyota pickup? Is it a Tacoma? A Tundra? A T-100?
your wire tester looks pretty awesome. Does it poke thru the insulation or work like and A/C testor which just senses the voltage?
The exact tester shown is no longer available, but it's very similar to the # PTW2993 which we do offer. It does pierce the wire insulation, but the hole is very tiny.
www.etrailer.com/Electrical-Tools/Performance-Tool/PTW2993.html
At about 1:40 into this video, you mention a video about wiring from scratch. I looked for it but can't find it. Can you post direct link to that specific video?
Jake misspoke. He meant to say 'article', not 'video'. Here's a link to that help article for you:
www.etrailer.com/faq-installation-of-brake-controller-from-scratch.aspx
Hope that helps!
@@etrailer Do you guys have any video? The article sucks... no offense...
Thanks for wasting 2 minutes of my day, I need to know how to WIRE A & PIN TRAILER PLUG (vehicle side). NOT HOW TO REPLACE A 7 PIN PLUG... FIX YOUR VIDEO TITLE AND DISCRIPTION.
Ok what about vehicles that don’t have plug installed from factory
The best way to do this will depend on whether your trailer has brakes or not. The first step for either scenario will involve installing a functional 4-pole trailer connector. Once that's done, if the trailer does NOT have brakes, you can simply install a 4-pole to 7-way adapter like # 37185. Plug this into the 4-pole, ground the white wire and and bundle the blue, black and purple wires up out of the way. If your trailer has brakes and you'd like them functional, you'll need a brake controller and the # ETBC7 install kit which includes the 31785 adapter in addition to the functioning 4-pole. If you'd like specifics, let us know the year, make and model of the vehicle in question and let us know if the trailer has brakes. The linked product pages have some videos that you'll find helpful.
www.etrailer.com/Trailer-Wiring/Hopkins/37185.html
www.etrailer.com/tv-install-etrailer-universal-brake-controller-installation-kit-2019-chevrolet-express-van-etbc7.aspx
Where is the video he mentions where we can learn how to wire from the front of the vehicle? My truck has on wiring harness at all to start with.
What's the year/make/model truck?
Question about the red wire/brake wire. I have an existing four pin working in place. Bought the four to seven adapter for my new trailer. Do I need to connect the red wire brake to the controller? Is it redundant? Or does the red wire feed to the brake controller tell it to activate? I would prefer to skip the red wire, can I simply provide 12v 20amp to controller under dash and send the blue wire to the seven pin? Trailer has no reverse lights and I am not adding them.
What vehicle are you working with? In the video, the blue vehicle wire was the brake output which attaches to the blue wire on the trailer connector harness that we show and the orange vehicle wire is the 12V feed to the trailer which attaches to the black wire on the trailer connector harness. The white harness wire is the ground, the red is left turn/stop, the green is right turn, the brown wire is the running lamps and the yellow is the reverse lamps. You can see the color code chart for the replacement 7-way connector/harness on this page:
www.etrailer.com/Custom-Fit-Vehicle-Wiring/Hopkins/HM40975-11998.html
Please let us know if you have further questions!
where can I Find the plug combo kit that has all wires on one end I've been researching it and cant find a single one
What harness are you using in this video? It's exactly what I need to replace my old damaged 7 way, but I can't find it on the website and there's no link in the description.
Jake used the # HM40975-11998 connector/harness, which you can check out by using the link we've provided below:
www.etrailer.com/Custom-Fit-Vehicle-Wiring/Hopkins/HM40975-11998.html
Video showing wiring from front of vehicle
Need to update your video description. The link for shopping 7-way...doesn't work.
If you use a 4 flat to 7 blade adapter, do the brakes, backup light, and 12 volt work, or are you missing out on that functionality? I'm deciding if I need to take out my 4 flat and replace with 7 blade or if the adapter would accomplish everything. I just got an RV to tow and am having trouble figuring out why the brake and turn signals are not working. I am using an adapter. Going to test a few things tomorrow with the trailer plug, and the truck itself. Thanks
Once the 4 pole of an adapter like # 37185 is plugged in, and the white wire is grounded to the tow vehicle, you'll have lighting function only. the yellow wire taps into the reverse lamp circuit, the black wire for 12-V accessory power connects to the positive battery terminal and the blue wire connects to the blue wire exiting the rear of the brake controller. We offer the whole kit as part # ETBC7 which includes the adapter, wire, circuit breakers and hardware- everything needed for a successful install.
www.etrailer.com/Accessories-and-Parts/etrailer/ETBC7.html
Here's a link to a run-through of the installation:
www.etrailer.com/tv-review-etrailer-universal-trailer-brake-controller-wiring-kit-etbc7.aspx
Excellent video, short to the point and very informative, thanks 😊
Glad it was helpful, thank you!
Where is the link for wiring vehicle from scratch mentioned in this video? I want to wire a 7 pin for a 98 Durango
Here you go! Just use this link:
www.etrailer.com/faq-installation-of-brake-controller-from-scratch.aspx
Our # ETBC7 wiring kit would be ideal for you!
www.etrailer.com/Accessories-and-Parts/etrailer/ETBC7.html
What's the link to the harness at 1:20 mark in video? The first one.
That would be the Curt # C57672. You can check it out by using this link:
www.etrailer.com/Trailer-Wiring/CURT/C57672.html
My car trailer new / has 2 black wires
No blue wire ?
Has battery on trailer
Were is the video showing the wiring from the front of the vehicle? I need to start fresh.
Check out the linked instructions for our # ETBC7 kit. They will show the wiring necessary at the battery and brake controller.
www.etrailer.com/instructions.aspx?pn=ETBC7
We might have a video that would help, what's the year, make and model vehicle?
6:30 these crush connectors are not heat shrink. you must slide a piece of heat shrink before crushing the connector then slide them over.
Yes they are ;) www.etrailer.com/search/heat+shrink+butt+connector
Whats the part number for the 1st plug you showed?
If you're speaking of the connector Jake's holding at the :35 minute mark, it's part # HM40975-11998. If you're speaking of the one a little later at the 1:15 mark, it's # C57672.
www.etrailer.com/Custom-Fit-Vehicle-Wiring/Hopkins/HM40975-11998.html
www.etrailer.com/Trailer-Wiring/CURT/C57672.html
Can you share the link for the wire tester
Here is a page full of them! www.etrailer.com/s.aspx?qry=circuit+tester
do you have a link for the 7 pin connector kit?
What's the year, make and model of your vehicle? If you can provide that info, we'd be happy to recommend a 7-way assembly for you.
I have 2006 f350 needing to replace7pin connector. Looking for the one with the heat shrink crimps on the wires