Easy Way To Remember Wiring Of A 7-Way 'RV' Plug (RV Standard)
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Certified Mobile RV Technician, Darren Koepp, teaches you how to remember which pin is which when you are troubleshooting a faulty 7-Way RV plug.
Note that there is a 'Traditional' color-code spec and an 'RV' color-code spec. Darren will be explaining the 'RV' color-code spec NOT the 'Traditional' color-code spec.
Here is a great article on etrailer that does a great job presenting the different specs between the 6-pin and the different 7-way standards: www.etrailer.com/question-136...
If you are in need of RV Repairs in the Olympic Peninsula area of Washington state, submit a service request on our website at myrvworks.com today!
Thank You, Thank you, Thank you! Out of all the videos I looked at no one explained it better than you. This saved me. The wiring diagram that came with the plug is totally useless. It might be easy if you hand the old plug still connected but mine ripped off...so just the bare wires. The only difference is I didn’t have a ground (white wire) still worked great without it. Thanks.
Thank you! Your video saved me in the middle of nowhere Nebraska. Lost my pigtail and needed to replace it myself, hour video took us over the finish line.
Thank you. I tried many ways to make mine work and watched a bunch of videos. After watching yours fixed the plug right away.
I just want to say thank you so much for your time and all the information you give us
That sure is easier to remember than just a diagram.. I don't move my trailer as I live in it, but now I have something I can share with others. A thumbs up as usual, and I'm already subscribed.
Hi Terry, Thanks for the comment and it is good to have you here! More video's coming out soon!
Thank you so much. I wouldn't have had the confidence to try it myself without your video.
Awesome explanation of what each wire pin does
World's best RV Repair Man!
Nice! A very simple explanation needed to replace rv plug we drug several (100+) miles!
Once again, a great video. I wish I had come across this channel months ago. Thanks you for the video
Great video, easy to follow and very clear!
Very smart and useful approach. Thank you for posting.
Great help. The repair shop put the pigtail insert upside down so blue wire was in the position of green wire. Thanks for the color visual.
Thanks for all the correct ways to do repairs
Perfect explanation! Just what I was looking for.
Easiest to understand by far. Thanks.
Hope it helps. Thanks for watching. Happy camping.
Thanks my man!!! Sheesh, spent hours testing, trying different color codes online…..on the 4th try I used your color code and now my camper lights are correct!!!!! Beware of all the wiring diagrams on google!!!! AJK
Appreciate it man I watched 2 other videos and no luck but your way you explained it was easy and simple
Fantastic. This is exactly the info I came here to find. Your great
Very helpful with color coordination!
Thanks Darren , this is most helpful way to clear head about wires and trailer connectors . However i'm worry about fact that sometime you feel like da RV .. and you admit that -HONEST MAN !
Myself i'm bit less honest when comes to times that i would let anybody know about switching identities even for second . i know how to keep secret and i won't tell nobody that yesterday i was a refrigerator and day before i was a John Deer Tractor .
I was having trouble wiring the plug for my camper and came across this, great video and super simple ! Got the job done, thank you.
Just found your channel. Love that demo. Thanks.
Awesome...thanks so much.... I like simple ways to remember things. Good on ya Bud!
Thank you for helping me understand!
I was lost.
Hi Bob,
Glad it helped!!!
Cheers,
Darren
Thanks Darren! Going to go see if my pigtail is following the rules.
Thanks, I used your video today with success!
This video was a huge help thank you so much for the upload
This helped out tremendously. Thank you!
here is a cool tip for you and everyone else watching. If you take a 10 amp blade fuse (not sure the best amp fuse to use but you will know) you can stick it in the black (12v) and Green (trailer lights) or whatever color is for your trailer running lights openings and it will light them up. I do this at night as its just cool to have all the running lights on at night and sets your RV out from everyone elses. Before you go in for the night you can just pull the fuse out to turn it off. They actually make a device for this purpose that plugs into the end of the 7 way with a switch but its like $30 or so. The fuse is much cheaper of course. If you use the correct size fuse then its safe and protected from getting stupid as the fuse will just blow ands shut off the lights. Boom! my RV tip! lol.
Thanks works for me got our landscaping trailer back in business hope you doing well sir 👍
Thank God somebody finally explained that right. I installed a new plug and went by the wire colors and that was totally wrong. You’re way it was exactly right on my truck and trailer.
You got lucky.
On 99.9% of all trailers;
the yellow is the left turn and break
and green is the right turn and break
and brown is the running lights.
Blue is trailer Breaks
Red is +12volts
Black is Reverse …
Thanks! Great easy to follow video! I've been working on old RVs for Playa Slumlord LLC that rents to Burning Man attendees but haven't learned a lot of the electrical systems yet, this was a great video!!
You made it so simple, love the video,
Sir, enormous thank you for your video ! You have saved my tail twice now!
Thank You Sir, helped me out
Great! Practical and useful. Thanks for sharing.
Thank you! and you are welcome!!!!
Thanks. I just subscribed to your channel because you make great videos.
Thank you for watching. I have many more on the way.
Well Done and very useful video. Thanks
Nice job, very helpful.
Thank you! Simple explanation!!!
Great job explaining the 7-way plug. Very helpful. Thank you!!!
At 5:15, you called the center terminal (yellow) your "auxiliary". I believe the center (yellow) is your backup lights. The black terminal (constant 12 volt, that charges RV battery), is sometimes called auxillary.
Yes you are a great teacher appreciate you and your help 👍👍🙏
Works for me thanks for the hack sir 🙏
Great video
Thanks great to know, my marker lights quit working so now I know what to look for.
Very nice job explaining this, damn I really appreciate you right now, thanks.
You r the best explained!!!!!
Tbanks, just what I needed.
Awesome job!
excellent work thanks
Yes you make our rv's work!
great video very helpfull thx for your time
Hello I been watching your videos great job very informative thank you. I'm working on a new light bar for better visibility and wondering if there is a easy way to hook light to light alarm so I don't forget them on . I have a sea Breese national any help would be appreciated.
Great idea, thanks. Where would you recommend finding the paint pens.
Finally! Thank you
Very helpful thanks!!!
GREAT INFO!
I did not know this. : ) Awesome thanks
absolutely perfect!
Your video was the best one I found well done . Gave you a like and I subscribed thanks..
This was so helpful to my frustrated husband. Thank you. Off we go with our quad trailer to Brown’s Camp. Happy happy...very happy!
Thank you. Blessings to you.
Finally a guy who knows
Thanks... that’s making it simple
I just needed to know which one to disconnect so I am not trying to charge eight 12 volt lithium batteries off of my truck when I am traveling down the road! Thanks for sharing...👍
My Ford F250 is not detecting my trailer when I plug it into the truck. We think the problem is in the truck receptacle. What wire detects the trailer.
Thanks
Kirk
Thanks for sharing
made it easy thanks
Great video thanks!
Thanks for the comment!
Happy Camping!
Cheers,
Darren Koepp
When I plug in my trailer my breaks lock up. Do I switch the black and blue wire pin positions?
Thanks for your videos. You explain things very well, and have helped me keep my rig up and running well all summer and helped with my confidence for full time living!! Arlie Davidson.
Outstanding. Thanks!
Glad our videos were able to help you! If you would like to support us please consider becoming an "RV Community Supporter" on our Patreon site: www.patreon.com/myrvworks
Very nice, thanks. How and where would you recommend tapping into this to install white reverse lights on the back of my travel trailer? Maybe my 7 pin has no reverse wire?? Can you recommend a good TH-cam video that shows this install being done?? Thanks much
To solve this riddle, I would start with the tow vehicle side of the connection. If you look at the socket, the center pin should be where the back-up lights are wired to. Not all OEM’s agree with this though and some do not even wire it but leave it to you to determine what that ‘Aux’ pin will be used for. In that case you may find a wire coming out of the back of the socket that is available for connecting to ‘something’.
So, start with trying to determine if your tow vehicle has that center pin energized when the back-up lights are on. If not than you will need to add that wire from the back-up circuit on your tow vehicle to that center pin - tow vehicle side.
Once that tow vehicle step is completed and confirmed, try to solve the riddle by connecting to your trailer. If still no back-up lights when the center pin is energized than you will have to wire your trailer back-up lights into that center pin on the plug.
Hope all that makes sense. That center pin of the 7-way really is the best (and only available) pin to control that back-up circuit as the other 6 pins have pre-defined jobs to do.
Cheers,
Darren Koepp
where does the battery charging and the brake wire get connected too.......thanks, vince
Whoah... Wolverine is working on trailers now?
You are the man
thank you
I just bought a 2005 Rockwood pop-up trailer. I have a 2016 Nissan rogue. The harness on the Nissan is four prong and the 7 pigtail on the trailer don’t match. So what do you suggest I do to plug these two together?
do the left and right turn pins also work the brake lights? Is the brown pin for a trailer brake?
Hello. Is there a way to make a 7 pin act like a 5 pin as far as lighting? I'd like to have dedicated brake lights and other as just turn signals. Thanks
fantastic made my life a lot easier
Thanks a lot.
My first time towing a travel trailer yesterday and I musta kicked out the 7 pin while backing up (badly). Dragged it around for a few miles and destroyed the plug completely. Felt like a brutal initiation into RV life.
But thanks for this, I know next to nothing about wiring but this video seems like a great way to learn the right way. Love your teaching style too, very visual... Ok so, pretend I'm the trailer and here is my handle and here is my spout etc etc....
What does Auxiliary do? Thank you for this video, My Chevy Colorado plugs upside down. Re a that don’t know have blown my 30A trailer fuse trying to push it in. I guess the Aux would be the wire to put a switch on to keep the truck from drawing from trailer battery when the battery Voltage goes on low mode (12.1)? I would like to install that or I guess a Dc to Dc charger would resolve that!
Great info
Thanks KY. I will be uploading an follow-up video to dive into the differences between the wire colors and the different 7-way specs. Hope it will help even more.
Cheers,
Darren
HI Darren,hope you are doing fine,
I have my trailer tail lights that just wont light, although my turn signals, my break lights, my emergency light, my electric break all work perfectly. I had an issue with the connecting cable from the car to the trailer lately. It got tangled up with the hitch and caused a short somehow. Two fuses were busted in the truck fuse box. I replaced them. So I dont know were to look. I replaced the 7 pins cable. Do you have an idea for what I should look for?
Thank you in advance an thank you for sharing your expertise, much appreciated.
Best regards,
Sellig
Thanks love it god bless
Yes I'm wiring a new progressive dynamics power converter /charger. I'm also rewiring my 7 pin cable on camper side and on my campers wiring diagram it calls for black hot from 7 pin trailer plug to be wired into the refrigerator and lights to camper or to the converter itself. Where would I wire in my black hot into my converter at to my black battery positive lug in my converter?
Your very welcome
Very helpful I've been having problems with my tow unit. 05 GMC it's shorting seems like it needs replacing.
I have 06 Chevy with fifth wheel and trailer short,ha? Maybe it wasn't rats
First step would be to get one of those text plugs to determine if the issue is the truck or the trailer. Look for a continuity to ground fault. If on the trailer sometimes it is easier to just pull a new wire instead of investing time locating the fault.
Thanks
Great tip. Installing lithium batteries for trailer and solar. To avoid damaging tow vehicle alternator could I disconnect black accessory wire at trailer? My goal is to not have alternator charge batteries.
Thanks rick
Yes you would be very wise to do that. The black wire is typically the battery charge wire from the tow vehicle. But you might want to double-check that with your meter when the engine is running, and not running, from the tow vehicle.
thank you. i was wondering why my used pop-up trailer was not NOT braking during a gain test. "They" snipped my light blue.
Can you help me find the same tester? I like that there is an impression in the plastic to help remind me what the illuminated light is referencing - Robb from Virginia
Hi Robb,
I picked up the one I am using at a local auto parts store when we lived in Texas. I just now did a search on Amazon for 7-way tester and found several to choose from - some even fancier than mine for under $10.
I have also made a really fancy test box that I use in my diagnosis and troubleshooting but that is for another topic/video at a later date when I make some video's on my tools.
Thanks for watching and Happy Camping!
Cheers,
Darren Koepp
Is the auxiliary pin 12v hot? What would that be used for?
were does the yellow wire go off my trailler does it go to the red on my 7 way
Question...it doesn’t matter if the pigtail goes in sideways regarding the wiring pattern correct?
very helpful. MY QUESTION IS ...i share a 16' dual axle trailer with a friend . we both have chevys with a factory 7 pin outlet. he doesn't have a brake box in his truck because he hauls very light loads. i want to haul heavier loads. i DO have an E brake box installed in my truck. if i wire our trailer up with a 7 pin wire set up can we BOTH use it or will he have a problem because he DOES NOT have an E brake box in his truck? thanks a lot.