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Heated Grips 2018 RGS

14K views 25 replies 17 participants last post by  ssitruc 
#1 · (Edited)
So the grips say a wiring harness is required for the install but under my spedo it had both the hook ups and I didn’t use the harness. Has anyone else 18 or newer done heated grips, chime in with experience from their install or did I do the grips wrong without the harness.

I have installed the kahuna grips, and they are meant to be Interally installed rather than outside the bar.
 

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#4 ·
Going to install Harley davidson kahuna heated grips on my 2018 roadglide special.
Wondering from what i read here the connection from the grips Is located under the instrument panel? And if so all i have to do connect the plug from the grips to these to connectors ? Also putting on some Factory 47 Rivera 12 . Just wanted to know do i have to get another wiring kit to hook up to battery ? Thanks for help guys in advance
 
#5 ·
I did the same install last winter, big kahuna grips, 14" f47 bars, and RGS. No extra kit, everything is plug and play. The connector is located under the cluster, I think it is the only loose connector left there.

You will love them, good luck with the install.

PM me if you have a question
 
#6 ·
I got the dealer to install during 5000 mile service a few weeks back. Despite what the P&A catalog says, the extra bit of harness is NOT needed on our Road Glides.

They are a great accessory, though with the temps at around 70-75 in the next couple of days, I won't be using them now for another 7-8 months.
 
#16 ·
These are the wires I have behind my nacelle one is Purple and Black the other is black and white .. The black & white wire is part of the TBW or TGS harness and I assume the purple and black is the power wire
 

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#17 ·
Yes. The white and black wires come from the TGS for the internal heating element. The purple and black and switched 12v. A heated right side grip just slides on like a normal grip and you just plug the end into the of the TGS. The heated left grip will have 2 sets of wires; one will go to the white and black wires and the other one will go to the purple and black.
 
#22 ·
I believe that I figured out the problem after partially removing the TGS. The prior owner must have decided that he would never need heated grips living in FLA. When they installed the new bars, they physically cut-off the Black/White wire harness that is needed for the LH-side to plug into. I knew I couldn't find it for a reason. So this problem leads to another. Thank you
 
#23 ·
Same experience, have installed two sets of kahuna now on my bike. First set broke with the rheostat coming out of the grip. The Rushmore specials have the power under the guages. Others do not and neither the service manual or the P&A book show that.
 
#26 ·
Gotta love HD's instructions... for Rushmore era bikes, with fairings, the Road Glide Ultra (FLTRU) is the only one that requires the extra harness to get power to be up and under the speedo (people have figured out other ways to get a power source too).

Beginning of instructions say:
Electrical Connection Kits by Year and Model:
  • 2014 - 2016 Road King require separate purchase of 69200722
  • 2017 and Later Road King and FLTRU require separate purchase of 69201599A
  • 2016 and 2017 Softail and Dyna require separate purchase of 72673-11
  • 2018 and Later Softail require separate purchase of 69201750
However, a 2016 Road Glide Ultra does also Require the extra harness as well even though it doesn't say it there. If memory serves me it was the #69200722 that I had too get for mine...

But later in the instruction, under one of the "Installation" sections it's header says (seemingly including the early Rushmore FLTRU):
2014 and Later Road King and FLTRU, 2016 and Later Softail and Dyna FXDLS
Then at this point it gives instructions as to how to install the extra power harness...

But, simply put, as many others have said, All the Rushmore (& M8's) fairing bikes have both the power & interconnect (from the TGS) connectors under the gauges... except the Road Glide Ultra (FLTRU). I Do Not Know For Sure About The Road Glide Limited's though, I haven't worked on one yet, but it looks like they come factory with heated grips... so its already got power up at the front too. The exception to this is going to be bikes that have been "modified" and people changed things around (hacking into power sources for other mods, changing bars and reducing wiring clutter, etc).

The Black and White wire's connector come from the TGS, and if you're having problems finding it under the speedo, trace the harnesses coming from the right switch pack and TGS and you'll find the little two wire harness splitting off the TGS harness. Mine was tucked in and hidden behind stuff under the speedo, just had to dig and move stuff around to find it. These black & white wires is where the "interconnect" wire (also black and white) from the new heated left grip plugs in, to get the power over to the right grip (don't forget to plug in the little plug under the right grip's end cap to complete the circuit).

Then the Red and Black wire's connector from the new left heated grip is for the grip's power source. Plugs into the Black and Purple (I think the Purple wire is actually violet and has a black stripe, V/BE) wire's connector thats already on the bike, and also under the speedo... it will/may have a dust cap on it that has to be removed. This is the "switched power" lead for the grips.
 
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