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Author Message   Mesa_cityx Posted on Saturday, April 26, 2008 - 11:12 pm:        My fuel light comes on when it feels like it. Anyone else? It doesn't always trip the odo, either. I don't want to go to the local dealer as they have proven themselves.... Untrustworthy...   Mesa_cityx Posted on Sunday, April 27, 2008 - 02:25 pm:        Hello..? Anyone seen this before?   Spacecapsule1 Posted on Sunday, April 27, 2008 - 02:48 pm:        mine toggles on and off about the time when the fuel is getting low........ my guess is the fuel shifting when i'm braking or corning causes the light to come on. it only does it when the fuel is low enough though.......   Spooky_pooky Posted on Sunday, April 27, 2008 - 02:50 pm:        That is the one problem I haven't had....as of yet.   Mesa_cityx Posted on Sunday, April 27, 2008 - 04:57 pm:        I can have just filled the bike, start it and there it is! It goes on and off at will...   Spacecapsule1 Posted on Sunday, April 27, 2008 - 05:38 pm:        i guess a trip to the dealer is in order.   Punkid8888 Posted on Monday, April 28, 2008 - 07:13 am:        How about a rubbed wire? I am pretty sure the fuel light switch in the tank is just a ground when the fuel level is low enough. So if you trace that wire I bet you will find it pinched or rubbed somewhere which is causing the light to illuminate sometimes.   Jos51700 Posted on Monday, April 28, 2008 - 08:44 am:        "I am pretty sure the fuel light switch in the tank is just a ground when the fuel level is low enough. So if you trace that wire I bet you will find it pinched or rubbed somewhere which is causing the light to illuminate sometimes." Sort of. My understanding as related from Buell Tech Services: It's a single wire terminating in a device called a thermister. Its resistance changes by temperature, and the fuel cools it. As the fuel level drops, the temp goes up and when the resistance reaches a certain point, the light comes on. I know that it's a magic device, and that practically noone at Buell knew how to explain it. I don't remember if it grounds through the fuel, or through the frame (It's easy enough to see once the fuel pump is out). After lots of running around, I finally got an email from a guy that knew how it worked, and he never explained voltage numbers, or if it was direct/inverse resistance with temperature. Assuming no rubbed wires, the cure for your Morse Code indicator? Replacement of sender. The ones I've replaced still acted funny for me, but as soon as they went back to the owners, they worked fine, so I'm not sure how yours would do.   Mesa_cityx Posted on Monday, April 28, 2008 - 07:50 pm:        Thanks, all. I have a pm that gives me an avenue to follow. The thermister bit seems the next thing to look at.   Jos51700 Posted on Tuesday, April 29, 2008 - 08:16 am:        It is theoretically possible that the Instrument module could be bad, I guess, but I've never seen that.

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