Question about 2001 Ducati 748 R

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Generator light on 748 always on

I have a 1997 748 with 3K miles on it. Brand new OEM battery last month. It sits on a battery tender all the time when mot used. I took it out yesterday and the blue Generator light came on 10 min. into the ride. I immediately took it back home and ran the basic tests. It comes on as soon as it starts now

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And is even there when just the ignition is on. 1. Battery tested at 12.7 when off. 2. 12.2 or so when first started then 13.5 to 14.3 when reved up to 2K to 8k+. 3. Yellow stator to R/R wires mint with no crimps or burn marks and any other imperfections. 4. Headlight gets brighter when it revs up to 2K or so as it should. 5. Bike starts ides revs rides 100% fine (took it out today for a while with no problems. Granted I didn't go to far from home as I didn't want to get stranded. 6. Disconnected everything at the battery, check all fuses, couldn't find any damaged wires, etc... reconnected, blue light still on, even when just the ignition is in on mode with the motor not on. Curve ball... I took off the license plate mount including the rear blinkers last week by just disconnecting the OEM connectors under the seat (turning it into a track only machine), no shorts or anything there, can this trigger the light to come on? So any ideas? Any other test points I should look into? I really want to get this sorted before hitting the track!,When a regulator/rectifier goes bad it can cause a condition where the battery could be overcharged or undercharged. I had an old GS750 that would boil the battery dry about every 2 months but since it was a Suzuki I just kept refilling the battery with electrolyte. The light will come on if the power output is over or under a set voltage parameter. The removal of all lights has probably caused the regulator to exceed this parameter. Plug back in the lights and see if it goes away.,,,

Posted on Nov 10, 2008

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Generator light on 748 always on


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