Twist Grip Sensor Problems
Thread Starter
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1st Gear
Joined: May 2009
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Twist Grip Sensor Problems
Hello all,
This is the first time I have posted anything to a forum so I'm not sure how it works.
I have an issue with my 08 Ultra. I replace the bars and grips with the HD reach bars (up 1" back 1") and ISO grips. After replacing the bars and grips the bike wouldn't run more than 20 mph or so. I found this forum and searched for help. After running the diagnostics, it appears I have a TGS problem. I found a new sensor and replaced it but the problem remains, codes P1510, P2122 and P2138.
Before I trailer the bike 150 miles to the dealer for repairs, I would like to ask if anyone has had the same problems. I can't believe something as simple as changing bars and grips would create such a problem. Am I overlooking something? I've had the scoot a little over a year when I bought it new. The only mods I have done is put true duals, a stage 1 air filter and a power commander 3 on it. I replace the exhaust 6 months ago without any problem with the exception of having to reset the throttle every 3 or 4 days or so.
Looking for a little help.
Web
This is the first time I have posted anything to a forum so I'm not sure how it works.
I have an issue with my 08 Ultra. I replace the bars and grips with the HD reach bars (up 1" back 1") and ISO grips. After replacing the bars and grips the bike wouldn't run more than 20 mph or so. I found this forum and searched for help. After running the diagnostics, it appears I have a TGS problem. I found a new sensor and replaced it but the problem remains, codes P1510, P2122 and P2138.
Before I trailer the bike 150 miles to the dealer for repairs, I would like to ask if anyone has had the same problems. I can't believe something as simple as changing bars and grips would create such a problem. Am I overlooking something? I've had the scoot a little over a year when I bought it new. The only mods I have done is put true duals, a stage 1 air filter and a power commander 3 on it. I replace the exhaust 6 months ago without any problem with the exception of having to reset the throttle every 3 or 4 days or so.
Looking for a little help.
Web
Ultimate HDF Member
Joined: Aug 2007
Posts: 9,486
Likes: 4
From: Hico, TX (once home to Billy the Kid)
Could there be a issue with the connection between the throttle wire (green connector) and the main harness (black connector post handlebar)? I have seen people break these and not know it (or be told it happened by their Indy).
Also did you keep the thumb friction wheel in place?
Once - I argued with someone here long and hard - about the need for dyno tunning. I had mine done and have never had an issue. Sorry to whom ever I was arguing with...
( I was told once I was a dangerous man and hard afoot - found out it was from some movie. I will agree I'm hard headed
)
Last edited by rocknrod; May 17, 2009 at 08:19 PM.
Thread Starter
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1st Gear
Joined: May 2009
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Thanks for the reply Rockin. I looked at the connectors as closely as possible (visual and tugging on wires). All appears fine. I don't know about the thumb friction wheel. First time I've heard that term. Unfortunately, I'm not a very good mechanic but I have changed bars and grips without any problems so I thought this would not be a problem.
Cruiser
Joined: Aug 2008
Posts: 181
Likes: 0
From: Territory of Tucson
Thanks for the reply Rockin. I looked at the connectors as closely as possible (visual and tugging on wires). All appears fine. I don't know about the thumb friction wheel. First time I've heard that term. Unfortunately, I'm not a very good mechanic but I have changed bars and grips without any problems so I thought this would not be a problem.
Hope that helps solving your problem.
Seasoned HDF Member
Joined: Jun 2006
Posts: 28,577
Likes: 3,957
From: Vermont
Might be the little green connector, or a pinched wire. If it is fubbed up at the green connector, you can get the jumper harness separately (the piece from the green connector down to the deutch connector). If it is the throttle sensor itself, they are like $90.
Outstanding HDF Member
Joined: Feb 2008
Posts: 2,415
Likes: 8
From: virginia
i just went through the same thing with my 09' the end result was a broken pin inside of the green connector on the harness side, the dealer put a new longer harness on it. all is good now. good luck
Thread Starter
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1st Gear
Joined: May 2009
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I was thinking the harness between the green connector and the large black connector in the fairing would be next. We just don't have a dealer in the area worth a sh!% and have very little parts on hand, lots of T-shirts though. Plus the service departments are suspect. Go in for and oil change and it cost you $500 because of "you need this". I'll see if there is a harness available close by otherwise I'm trailering to Rocky Mount. The guys there have walked me through several things without wanting me to bring it in so they can hit me up for $$.
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Seasoned HDF Member
Joined: Jun 2006
Posts: 28,577
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From: Vermont
If it is the jumper harness, it is $23 pn# 70415-08 and the following NC dealers have one:
Pat Rogers Speedway Harley-Davidson, LLC Concord P-(704) 979-7433
Ghost Town Harley-Davidson Waynesville P-(828) 454-0066
Tilley Harley-Davidson of Salisbury Salisbury P-(704) 638-6044
Beach House Harley-Davidson Shallotte P-(910) 575-9997
Tilley Harley-Davidson, Inc. Statesville P-704-872-3883
Rocky Mount Harley-Davidson Rocky Mount P-252-446-7292
Carolina Coast Harley-Davidson Wilmington P-910-791-9997
Pat Rogers Speedway Harley-Davidson, LLC Concord P-(704) 979-7433
Ghost Town Harley-Davidson Waynesville P-(828) 454-0066
Tilley Harley-Davidson of Salisbury Salisbury P-(704) 638-6044
Beach House Harley-Davidson Shallotte P-(910) 575-9997
Tilley Harley-Davidson, Inc. Statesville P-704-872-3883
Rocky Mount Harley-Davidson Rocky Mount P-252-446-7292
Carolina Coast Harley-Davidson Wilmington P-910-791-9997
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Outstanding HDF Member
Joined: Feb 2008
Posts: 2,415
Likes: 8
From: virginia
If it is the jumper harness, it is $23 pn# 70415-08[and the following NC dealers have one:
Pat Rogers Speedway Harley-Davidson, LLC Concord P-(704) 979-7433
Ghost Town Harley-Davidson Waynesville P-(828) 454-0066
Tilley Harley-Davidson of Salisbury Salisbury P-(704) 638-6044
Beach House Harley-Davidson Shallotte P-(910) 575-9997
Tilley Harley-Davidson, Inc. Statesville P-704-872-3883
Rocky Mount Harley-Davidson Rocky Mount P-252-446-7292
Carolina Coast Harley-Davidson Wilmington P-910-791-9997
Pat Rogers Speedway Harley-Davidson, LLC Concord P-(704) 979-7433
Ghost Town Harley-Davidson Waynesville P-(828) 454-0066
Tilley Harley-Davidson of Salisbury Salisbury P-(704) 638-6044
Beach House Harley-Davidson Shallotte P-(910) 575-9997
Tilley Harley-Davidson, Inc. Statesville P-704-872-3883
Rocky Mount Harley-Davidson Rocky Mount P-252-446-7292
Carolina Coast Harley-Davidson Wilmington P-910-791-9997
6th Gear
Joined: Oct 2007
Posts: 11
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From:
Like everyone else I had a pinched wire and the connector came loose. The dealer tied the connector and ensured it would not come loose again. Hope so because Sturgis is coming up soon. First of three big rides this year.
Good luck
Good luck