Throttle Plug Wiring Questions - Road Glide Forums
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post #1 of 16 (permalink) Old 02-05-2019, 05:26 PM Thread Starter
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Throttle Plug Wiring Questions

Ok, this may be a bit different from the normal asked questions, at least from what I have search for on this site and else where. Also, there will be 5 pictures along with this post.

I removed my stock handlebars from my 18 RGS and unplugged all the wiring so bars could be removed. Now, I saw the throttle harness 6 pin plug that I expected to see, but it was not connected to anything running to the bars, the first picture. The second picture shows a different type of plug, 2 actually, much smaller, both of the plugs running to the bar and the other end running to two different type of plugs that are mounted to the plate that organizes the wiring, second and third pictures. Pictures 4 & 5 show the wiring still routed in the stock handle bars. The one plug shows the single wiring harness, which would be the clutch side and the double harness on the throttle side. You can also see the throttle by wire harness,(but is not a 6 pin type plug), which is longer and is zip tied in a loop, so if you are going to add taller that 13" bars, you may very well may not need to get a longer throttle harness (this is on my 2018 RGS, so who knows HD may have just done that that a few bikes).

Finally to my question, did HD stop putting the 6 pin plug in the throttle side on some or all of the Road Glide Rushmore bikes, but still used some left over harness on the bike that had the 6 pin plug on it or did I just totally miss something?

I removed the wiring from the stock bars and the throttle by wire did not have the little plug I have read about and to be very careful not to damage when removing/installing. I also checked the length of the throttle by wire harness before removing and from the exit at the bottom of the bars to the end, is 18", that is why HD had it looped and zip tied.
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2018 FLTRXS, Vivid Black, KW Slicer Front Fender, Sundowner Seat/Modified by Mean City Cycle

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post #2 of 16 (permalink) Old 02-05-2019, 05:29 PM Thread Starter
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post #3 of 16 (permalink) Old 02-05-2019, 05:37 PM Thread Starter
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post #4 of 16 (permalink) Old 02-05-2019, 05:38 PM Thread Starter
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post #5 of 16 (permalink) Old 02-05-2019, 06:08 PM
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Originally Posted by FLTRXS18 View Post
Ok, this may be a bit different from the normal asked questions, at least from what I have search for on this site and else where. Also, there will be 5 pictures along with this post.

I removed my stock handlebars from my 18 RGS and unplugged all the wiring so bars could be removed. Now, I saw the throttle harness 6 pin plug that I expected to see, but it was not connected to anything running to the bars, the first picture. The second picture shows a different type of plug, 2 actually, much smaller, both of the plugs running to the bar and the other end running to two different type of plugs that are mounted to the plate that organizes the wiring, second and third pictures. Pictures 4 & 5 show the wiring still routed in the stock handle bars. The one plug shows the single wiring harness, which would be the clutch side and the double harness on the throttle side. You can also see the throttle by wire harness,(but is not a 6 pin type plug), which is longer and is zip tied in a loop, so if you are going to add taller that 13" bars, you may very well may not need to get a longer throttle harness (this is on my 2018 RGS, so who knows HD may have just done that that a few bikes).

Finally to my question, did HD stop putting the 6 pin plug in the throttle side on some or all of the Road Glide Rushmore bikes, but still used some left over harness on the bike that had the 6 pin plug on it or did I just totally miss something?
I have a 2018 special. I never looked to see if the large six pin connector was still in there, but I have the same set-up coming out of my bars. Four smaller connectors. I think you can go as high as 13" without modifying anything. At 14" you may have to remove the zip ties holding the connector plate to the dash. There is a 6" extension you can buy for the clutch side. The throttle side has plenty of extra length. You start running into issues with clutch and break lines. There is some rerouting and a bit of slack under the tank, but the clutch side on my was pretty tight.
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post #6 of 16 (permalink) Old 02-05-2019, 06:39 PM Thread Starter
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^^^^thanks for the info. I am going 13, so from what I have read, I should be good to go. ^^^^

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post #7 of 16 (permalink) Old 02-05-2019, 06:51 PM
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No more big plug. I put 14” on my 17 RGS and it fits but it’s snug. Throttle side has plenty, clutch side is snug.

I just put the same bars on my 18 RGS, this time I used 12” gorilla cable extensions. Well worth the $30.

Cut some zip ties to loosen up the hydraulic lines.

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post #8 of 16 (permalink) Old 02-05-2019, 06:57 PM
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Didn't the 6 pin plug come from the blank buttons?
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post #9 of 16 (permalink) Old 02-05-2019, 08:13 PM
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Bingo...... what he said. Your larger pin plug that is shown in the first photo is from your accessory buttons that are blank- plug both of those puppies back into the speedo when you reinstall and you're good to go!

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Didn't the 6 pin plug come from the blank buttons?


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post #10 of 16 (permalink) Old 02-05-2019, 08:16 PM
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Didn't the 6 pin plug come from the blank buttons?
Yes ^^^^^^

No more big plug on the TBW side.
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