If you do have a self-resetting C/B, replace it. They are less that $10. They are not moisture proof and can develop corrosion/oxidation internally thus creating a voltage drop and causing overheating and tripping. Be sure the C/B is the correct rating as specified in your TM manual.
2015 Seaark 1872 MV CC Etec-90
Helix 12 CHIRP SI, HB 1199, MinnKota Riptide ST80/i-pilot Link, Bob's Hydraulic
Bitter Gun Owner