Assuming for the moment an INTELLETEC Battery Control System.'IN the BCC there are several fuses. Some are 5 amp ONE OF THOSE controls the switch.
Remove all 5 amp fuses
Cycle USE/STORE switch like 100 times, both ways
Replace switch
If it works,, GOOD, if not your FREE is hereby cheerfully refunded.
Home was where I park it. but alas the.
2005 Damon Intruder 377 Alas declared a total loss
after a semi "nicked" it. Still have the radios
Kenwood TS-2000, ICOM ID-5100, ID-51A+2, ID-880 REF030C most times