07 990 adventure Regulator/Rectifier problem
Hello everyone. About two weeks after a 200 miles run, my Shorai battery was dead. Down to 2.3V. Shorai tested it and concluded a slow drain had killed the battery. They prorated up a new one for $48.00. Thank you Shorai.
I thought the slow drain was due to a Delorme PN60 GPS left plugged into the power port, however, Delorme states that the have a cutoff circuit when the GPS battery is fully charged.
The bike draws 1.59mA which is slightly high thus showing a very minor parasitic drain, Most likely the heated grips switch. This is not enough to drop the battery to 2.3V in 14 days.
I tested the charging system today and found that at idle, 1500rpm, reading is 14.01V and at 4000rpm it's 13.85V. To me this indicates a faulty Voltage Regulator/rectifier which resulted in my dead battery.
Does anybody agree with my observation? or have another suggestion?
Thanks
Miles....
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