GFCI's are usually recepticals but can be circuit breakers as well..
One trick if it is tripped is to go in under twilight conditions, Look for the tattle tale light... Hope it is the kind that comes on with GFCI tripped.
Also, if not the original owner. A prior owner may have done something dangerous.
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