91 ultra. Intermittent fault.!
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Road Captain
Joined: Nov 2009
Posts: 737
Likes: 4
From: Scotland,UK
91 ultra. Intermittent fault.!
The Ultra has been running well except for "cutting out" ie. Ignition system shuts down completely whilst riding. Not very pleasant when I was overtaking on outside (uk) lane at 65.mph. Ignition (inc neutral light) wouldnt go on aain therefore I had to be taken home,inc bike, by a breakdown truck.
This "cutting out" had already happened whilst I was static at my home.
I have stripped Fairing down to gain access to Ignition Switch wiring/barrel
What a frigging wrench that was. !! Not checked wiring at Ignition Switch yet
but 30 amp relay inside Fairing seems to be functioning ok.
Any suggestions/ideas welcomed.
This "cutting out" had already happened whilst I was static at my home.
I have stripped Fairing down to gain access to Ignition Switch wiring/barrel
What a frigging wrench that was. !! Not checked wiring at Ignition Switch yet
but 30 amp relay inside Fairing seems to be functioning ok.
Any suggestions/ideas welcomed.
Last edited by BungoBill; Sep 7, 2015 at 02:21 PM.
Road Warrior
Joined: Mar 2007
Posts: 1,959
Likes: 2
From: Florida
The relay "appears" to be functioning? When mine was dying like that, it was that relay. They're cheap, replace it and see if it still does it. Mine would run fine, but now and then, everything electric was gone. I've replaced my relay twice in the 10 years I've had my bike and it solved the problem both times.
Club Member
Joined: Jun 2007
Posts: 45,429
Likes: 2,898
From: Bedford UK
Bungo, I've been musing over this for a few days and have another suggestion. Is your bike a UK spec (International model), or a US import? A simple clue is whether yours has amber (UK) or red (USA) rear side reflectors on the saddlebags.
If it is UK, there is an odd electrical feature, which I will describe if relevant. I had a similar problem while in Germany a few years ago and now have a solution to it.
If it is UK, there is an odd electrical feature, which I will describe if relevant. I had a similar problem while in Germany a few years ago and now have a solution to it.
Thread Starter
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Road Captain
Joined: Nov 2009
Posts: 737
Likes: 4
From: Scotland,UK
Bungo, I've been musing over this for a few days and have another suggestion. Is your bike a UK spec (International model), or a US import? A simple clue is whether yours has amber (UK) or red (USA) rear side reflectors on the saddlebags.
If it is UK, there is an odd electrical feature, which I will describe if relevant. I had a similar problem while in Germany a few years ago and now have a solution to it.
If it is UK, there is an odd electrical feature, which I will describe if relevant. I had a similar problem while in Germany a few years ago and now have a solution to it.
I sat on the bike,backed away (using my legs) a foot or so from the sidewalk edge. Turned ignition ON....Nothing,no lights on panel or gauges working.
Phoned a buddy who came round to have a look. He bent down and pressed the "button" down on the end of the Starter Motor. The Ultra surged forward a bit as it was still in gear! We both grabbed bike to steady it.
Turned Ignition Switch to ON and,low and behold, the Ignition lights and gauges all functioned. Strange.
Ultra ran well for next 30 mins until I parked up in my garage. Havent touched it since. Very frustrating after ld.
Apart from this problem, the Motor,now with the Andrews 27 cam and the Tourpak topbox and panniers removed is a lot more responsive overall.
Great stuff. !!
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Road Captain
Joined: Nov 2009
Posts: 737
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From: Scotland,UK
The relay "appears" to be functioning? When mine was dying like that, it was that relay. They're cheap, replace it and see if it still does it. Mine would run fine, but now and then, everything electric was gone. I've replaced my relay twice in the 10 years I've had my bike and it solved the problem both times.
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Thread Starter
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Road Captain
Joined: Nov 2009
Posts: 737
Likes: 4
From: Scotland,UK
Hi,Did think about that but as the Ultra was running on a freeway/motorway and was heading in a straight line I discounted that theory. I will get my auto electrician buddy to go over all the suggestions you guys have been kind enough to send. I wondered about a "bad" ground somewhere on frame.
Road Warrior
Joined: Mar 2007
Posts: 1,959
Likes: 2
From: Florida
Yes, that one. Mine would just quit. I just had to let it sit for a few minutes and it would start up and go. Be good for days, weeks, months, then quit. Very unpredictable.