If it reads 15 to 20 all the time and even after long hours of use especially with lights off I fear it may overcharge the battery. Theres a chance the VR (if it has one??) may be bad,,,,,,,,,,or someone permanently dead grounded the Gennys FLD terminal cuz Billy Bob and Bubba told them it made her charge real good,,,,,,,,,,,or if it has the LHDB light switch charge control (uses cutout relay) the wire up from the gennys FLD post is somehow always grounded.....or the battery is bad like a shorted cell etc
With a good battery Id expect a high charge rate for a time (if it uses a VR) but then it would back off to 1 to 5 amps depending on RPM and lights etc. If it has the LHDB and cutout relay Id leave it on high charge maybe 30 to 60 mins (20+ amps)then put her on low charge (maybe 1 to less then 10 amps subject to RPM and battery)
Jim was kind enough below to post my Troubleshooting Procedure
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Today's Featured Article - The Nuts and Bolts of Fasteners - Part 2 - by Curtis Von Fange. In our previous article we discussed capscrews, bolts, and nuts along with their relative hardness and thread sizes. In this segment we will finish up on our fasteners and then work with ways to keep them from loosening up in the field. Capscrews, bolts and nuts are not the only means of holding two parts together. When dealing with thinner metals like sheet tin, a long bolt and
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