'18 242X GPS speed and map location not working

[Troch1]

New problem this season (last season all worked well)...speed won't display (just -- where the speed would show) and map location of the boat does not update. It will occasionally work for 1-2 minutes every hour or two, but then stop reading completely randomly. Boat otherwise runs normally. All other boat systems functioning and no other error messages. Batteries (1 year old) fully charged with on-board shore charger. Any suggestions or advice besides "take to the dealer." This has happened on all 4 trips so far this season.

Thanks,

Mark

 

[Neutron]

I would start with checking the connections and wiring at the GPS antenna, its the white cap in front of the drivers windshield