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98 Ultra - weird charging problem
Been searching the threads and haven't found anything like this one...yet. Maybe someone has run across a problem similar to this one.
Need some help with a charging problem on a 98 Ultra. Not my bike, but a friends. He bought it a few months ago and it ran fine. Going down the road at night, threw the spots on and then battery slowly died. Battery takes and holds a charge. He went ahead and change the regulator before the rest of us OF's looked at it and fried the regulator cause when I read the stator out, it was grounded. So we changed out the stator (yep, you could see the burn in the stator coil), new reg and zip, nada. No charging. We are seeing 59 vac off the stator at 3000 rpms but the system is not charging. We are getting 11.75 vdc at the battery no matter the rpm. Wiring to the regulator and from the regulator is new. Dealer techs tried two new regs with the same result, by which time Mouseman got fed up and rode or I should say, limped the bike home. They were just changing parts out with out finding the cause. Back at the garage, we jumped out the circuit breaker, in effect eliminating it, thinking there could be an issue there. Nope, 11.75 vdc. We also jumped from the ground point where the reg grounds right to the neg term of the battery with the same results. Could it be a rotor problem? Will a weak rotor give you a good volt reading? Any ideas? This is driving us nuts, Mouseman is going into shock cause he hasn't rode in two weeks. Help!
I think we are going to pull the rotor and have look at the splines as suggested in another thread. Dang problem just don't make sense.
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Tsani
2005 FLSTNI
K&N 3909 Filter Kit
Cycle Shack Tapered Slip-ons
Progessive 422's
Progressive Springs Front Forks with Heavy weight oil
Roller Chain Conversion
Andrews TW21N cams
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