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BRP Trailer Hitch - Self instalable?

The BRP connector is a 9-pin connector (it uses 6/7 pins). There is no commercial adapter available. To connect to a 5-pin trailer you can either make an adapter, or change the trailer connector to a matching unit. The Deutsch connector parts are available online, but the best way is to purchase the BRP 2010 Trailer Tongue Harness P/N 710002029. Do not use the 2011/2012 Pole Harness, it is made for a 4-wire trailer. Once you get the harness, you can either fabricate an adapter using an additional 5-pin trailer socket, or you can wire the new harness directly to your trailer. The wire identities are labeled on the harness. There will be an extra brake light wire, just choose one or the other and tape off the unused one. Be sure and leave enough length to reach the Spyder connector. It is farther from the hitch than normal.

Perfect. Thanks for saving me time trying to find an adaptor. I'll call my dealer tomorrow and order the tongue harness.

-Anita
 
Warning. The pole harness is not cheap, if I remember right it was about 115.00. Conversion
was not bad once you get past the idea of cutting the end off a 100.00 harness.
 
I don't see that I have any other option.
You could buy the matching Deutsch connector, the pins, the unused hole blanks, and the rear cover, as well as the special crimping pliers, and do it yourself, but in the long run the harness is the easiest. Just think of the money you saved on the trailer, and it is still a bargain. I didn't hesitate for a second to order a harness and whack off the unused end.
 
I'm still a little confused and am a visual learner. The trailer has a flat, male, 5 pin connector and the BRP hitch I bought came with the connection module which has a round, female, 9 pin connector. Does this mean that if I have the 2010 tongue harness Scotty refers to, I will have to splice a female 5 pin connector to plug into the trailer and the other end is male, which then plugs into the RT?
 
I'm still a little confused and am a visual learner. The trailer has a flat, male, 5 pin connector and the BRP hitch I bought came with the connection module which has a round, female, 9 pin connector. Does this mean that if I have the 2010 tongue harness Scotty refers to, I will have to splice a female 5 pin connector to plug into the trailer and the other end is male, which then plugs into the RT?
You would either make a separate adapter to fit between the trailer and the Spyder
by mating the Spyder end of the BRP harness and the vehicle end of a flat-five connector (mine uses a rectangular-six) from a local store,

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...or you can just splice the Spyder end of the Tongue Harness directly to your trailer, after you cut off the existing flat-five. If you are not comfortable with this, I'm sure a local trailer shop would be happy to do it for a reasonable fee.
 
Ok, that picture is just what I needed, thanks Scotty! :thumbup: I have no problem with splicing in a new connector to the harness. I wanted to be sure that I completely understood your instructions and which parts I'll need to get this done. As always, I appreciate your help! :bowdown:
 
Need help/advice

I finally got everything installed and was able to test the trailer lights today and for some reason when I turn on the left or right turn signal, both signals flash on the trailer (the entire LED light bar flashes). I double and triple checked that I have spliced the 5-way connector in correctly and can't figure out why they won't flash independently. Im starting to think that perhaps the trailer wiring itself is the culprit. Any ideas out there?
 
I finally got everything installed and was able to test the trailer lights today and for some reason when I turn on the left or right turn signal, both signals flash on the trailer (the entire LED light bar flashes). I double and triple checked that I have spliced the 5-way connector in correctly and can't figure out why they won't flash independently. Im starting to think that perhaps the trailer wiring itself is the culprit. Any ideas out there?
Sounds like you have the wires crossed to the brake circuit somehow, possibly in the adapter or connector. Remeber that the BRP and standard trailer wiring color codes are not the same, so you can't just hook "blue to blue". Without tracing your wiring and seeing which harness you used for an adapter, it is hard to say what is going on. 4-wire and 5-wire systems don't mix, so that could be a cause if you have accidentally done such a thing. The easiest way to resolve the issue is probably to get the entire rig to a good trailer shop, and let them ring out the wiring and correct it.
 
I used the wiring spec someone posted here of the BRP tongue harness and the spec for the 5-way from the Aluma website and matched the wires per the spec sheets and not color for color. I was really hoping that I wouldn't have to pour any more money into the trailer considering how much I saved, but I'm just about at the point where I could have bought a new Aluma MCT. Appreciate your help Scotty, thanks!

By the way, the running lights and brake light works fine.

-Anita
 
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I used the wiring spec someone posted here of the BRP tongue harness and the spec for the 5-way from the Aluma website and matched the wires per the spec sheets and not color for color. I was really hoping that I wouldn't have to pour any more money into the trailer considering how much I saved, but I'm just about at the point where I could have bought a new Aluma MCT. Appreciate your help Scotty, thanks!

By the way, the running lights and brake light works fine.

-Anita
Somewhere your brake circuit is connected to the turn signals. If your wiring is right, it is probably in the trailer lights themselves...or the trailer wiring harness. Most often it is in the way the taillight assemblies are wired. Like I said, these things are mostly a matter of tracing things out, and connecting one wire at a time if need be. I have a handy universal adapter pigtail that I got from the trailer store that helps me do that, and switch things around to test them. On one of my trailers, the connector was wired differently than a standard connector, crossing the circuits. I wish I was closer, I think I could track it down pretty quickly.
 
Do you know the name of the adaptor or part number? Or perhaps a pic? Sounds like that's exactly what I need to trace the problem.
 
Do you know the name of the adaptor or part number? Or perhaps a pic? Sounds like that's exactly what I need to trace the problem.
I don't know the name or number of mine, they were unmarked at my trailer supply shop. Here is one I found online. Your best friend for this kind of work is actually just a simple multimeter. You can test at the vehicle end connector to make sure it is working properly and each function is separate, and at the taillights to see what is happening there. Removing the bulbs can help...and can even cure the problem if there is a short or wiring problem in the taillights. If necessary you can tap into the wires along the way and test there. Even if you are absolutely, positively sure you connected the harness right, check again...and check the labeled function against the standard trailer wiring color code (or the functions you identified when you traced). Yellow=Left, Green=Right, Brown=Running, White=Ground, and Red or Blue=Brake. Just one question...did you by chance hook up both brake light wires in the tongue harness? You should only connect one. Did you make an adapter or wire in the tongue harness directly? If you made an adapter, the trailer connector could have been in an odd order for the poles. I have had that before, where the poles were in different positions on two brands of connector. PM me and we can chat more.
 
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