I've noticed last few trips the unit keeps shutting off on me and I figured I had a bad wire. Checked the wires and they were fine. Run power through a fuse as recommended and unit has always been babied. Only time it's on the boat is when it's in the water. Checked power at the battery 8.45v and at the unit power plug 8.45v..... Just tried calling and of course they closed up the minute I called. Anybody know of a fix or just have to send it in?