Quote Originally Posted by scott_ca View Post
I’m a new Supra owner, having just purchased this spring and have my first issue.

While cruising back from refuelling using my “Return to Dock” profile, I lost all power to everything but the engine. Screen went black, zero off disengaged, stereo stopped working.

When I got back to the lift, nothing has power except to start the boat. No manual switches work, no lights, no tower, nothing.

I’ve reset all the flip breakers and still nothing.

Anyone encounter this or have any suggestions?


Sent from my iPad using Tapatalk
Most answers are to do a hard reboot starting with the batteries off, then letting the system reboot.

Are your batteries good?

Could have a bad alternator? The 19s had a recall on the wiring to them, not the 18s. But it could still go bad.

I would look for something loose or a bad connection around the batteries. Like a ground.