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[Hotrod50]

Installed a Bushtec hitch on my

































































Installed a Bushtec hitch on my FLTRSE3.  Great looking hitch, hidden.  Can't figure out how to use the wiring harness Bushtec sent.  Colors don't match directions, and they sent a Universal Trailer Relay Sub harness, which I don't have a clue about.  Anybody done this yet?  Bushtec hasn't been much help yet.

[grandpadoc]

Twolane should chime in here any minute. He got me through it without a problem. Reply #19 might get you started though.  Doc


                                                                http://www.cvoharley.com/smf/index.php?topic=22680.15

[Hotrod50]

Response 19 talks about using the JP adapter and changing the trailer bulbs to LED.  Do you not have to use a seperate power wire for LED lights on the trailer?

[Twolanerider]

Response 19 talks about using the JP adapter and changing the trailer bulbs to LED.  Do you not have to use a seperate power wire for LED lights on the trailer?

No.  Powering the lights is powering the lights.  Type of bulbs is irrelevant.  TSSM won't be bothered by LEDs used other than in standard corner positions either.

That adapter from J&P (or a few other sources) is just a plug in interconnect to give you pigtails to splice the trailer harness to.  That socket behind the battery for the rear lights has changed on the newer bikes though.  So you'll be looking for a different interconnect adapter.

Aside from the trailer harness Bushtec also likely sold you and power isolater.  Basically a digital relay box to isolate power to the trailer from rest of the bike.  I don't use it.  Have seen a few of them fail.  And have never had an issue with a correctly done connection of the trailer harness to the bike.

[Hotrod50]

Ok  I'm confused again.  What do I need?

[Twolanerider]

You need the trailer harness that Bushtec supplied.  Awhile back I read they were going to begin offering those as a plug and play harness.  That means with the interconnect already made on the "bike" end of the harness.  If they're supplying such a product now that's all you need.  You can tell if it's that way by whether or not the bike end of the harness has only wire ends or a pair of completed plugs.

If it is not a plug and play harness you have two options.  You can make splice connections to your tail light harness.  That's the least palatable option.  A better option is to get a little interconnect adapter that has pigtails sticking out.  Splice the trailer harness's leads to those pigtails.  This way you don't cut or splice on a single stock wire.

I don't know offhand which of the trailer suppliers had pigtails for the late model bikes with the new tail light plug behind the battery.  But have read here and elsewhere more than once that such a part is now offered.  Hopefully someone will chime in here who knows.  Otherwise make a few phone calls to the other trailer and/or hitch dealers and ask if they have one that matches your bike. 

The pigtails on these interconnect adapters are also marked as to what each wire does.  Makes it easy to mate to the Bushtec trailer harness if you don't know or don't have a schematic to look up the color codes.