<<Many Thanks! You nailed it. The five-wire bundle coming from the ignition switch was so tightly cable-tied to a bracket on the underside of the upper triple clamp that the cable tie had sawed through two of the wires.>>That was exactly the cause of the failure on my R1100S. The wires to the ignition switch were broken about 2" from the switch, up inside the insulating sheath. I think it was excess tension from that cable tie that caused the breaks. I have found one R1100RS and an R1100R with the same type of wire failure close to the switch.
I think this is more than just a too-tight cable tie. I think the wire is also poor quality.
Tom Cutter Yardley, PA http://www.RubberChickenRacingGarage.com*Don't argue with an idiot; people watching may not be able to tell the difference.*
-----Original Message----- From: John Merlinw Williams <jmerlinw@xxxxxxx> To: Mick <bmwmick@xxxxxxxxxxx>; oilheads-digest <oilheads@xxxxxxxxx> Sent: Tue, 22 Apr 2008 1:39 am Subject: Re: Electrical cut-out R1100RS tipped to left - SOLVED! Mick: Many Thanks! You nailed it. The five-wire bundle coming from the ignition switch was so tightly cable-tied to a bracket on the underside of the upper triple clamp that the cable tie had sawed through two of the wires. Pictures and description of how I carried out Mick's suggestions here: <http://www.johnmerlinwilliams.com/dailyride/BMWrepair.htm> Thanks everyone for your suggestions. John Merlin Williams jmerlinw@xxxxxxx On Apr 20, 2008, at 9:35 PM, Mick wrote:
At 03:40 PM 4/20/2008, you wrote:Timo, Bob: Thanks for the suggestion. I had checked the side-stand switch, which I had replaced the previous season. That wasn't the problem, but I began poking around in the wiring a bit more and discovered that a very slight displacement of the wiring bundle that begins at the left handlebar grip appears to be the problem. If I move that bundle just about 1/4 inch at the point where it curves under the tank - all the electrics go off. That bundle appears to begin at the handlebar with the low/high beam+horn+left turn signal, it gathers the separate clutch switch cable and also joins with the the ignition switch bundle. Must be a broken wire in one of those. I played most with the clutch switch wire and it doesn't appear to be the problem - must be one of the larger bundles.John, Nothing from the left switch controls will kill the engine. Look closely at the main wire bundle as it leaves the ignition switch. Remove any cable ties that might be in the area and then move each wire separately till you find the culprit. Find the break, splice it together with a butt splice and solder, tape the bundle back up and your done. : )) Mick Tucson