Fish Finder going crazy

[gupppy]

Originally Posted by CheapPelican

Sorry to to thread jack you but, if the chart is uninterrupted and I can still follow my jig without a break in its trail, could it still be a bad connection? The plugs have no corrosion but I've never checked if they are seated properly.

I also wanted to send mine in for service because when I power it off, I can't turn it back on unless I remove the head from its mount then plug it back in, or disconnect then reconnect the battery.

the power on/off issue is a connection problem. i've had that problem before, but not anymore. if it doesn't power on after i've plugged it in, then i flip the head over and plug it in. that normally fixes the problem.