Sounds like solenoid. Merc Alpha-1 Gen-2? What year? Check for corrosion and clean grounds always especially in if running in salt water. Spray wire connections with Boeshield T-9 when done.
2011 Triumph America (10/2011 to 07/2014)
2012 Harley Davidson 1200C Sportster
2014 Harley Davidson Dyna Wide Glide
