Marinette Boat Forum

Thanks so much, Karl! Appreciate all your help here. I'll start a thread in the drivetrain section as soon as I can get down and investigate a little more first. Need to also get into the steering a bit so will be posting there as well.

Happy holidays!

Andrew

A few more photos:

Thanks GB49! Really great to hear about the '76 that you worked on as a comparable. Haven't started flipping those switches, but I did find the problem!! First, to answer your question, she has two "marine" 12 volt batteries and a third 12v battery that's more of an automotive size. Not su...

Hi Bigarrn, That's good to hear! So they are original after all.

I'm trying to understand the purpose of the larger switches and the adjacent toggle switches to help diagnose some electrical issues I'm having.

Darn - was hoping it would look familiar! The lack of labels is... fun?

Here's a photo of the switches in the engine bay. The right/starboard switch was switched off. The left/port switch is in fact on even though it is pointing to off (the switch and label/plate are not aligned).

Thanks Jeff and GB49, really appreciate it. Good points about the trickle chargers and to watch for gassing and potentially remove for charging. Need to investigate the battery charging system a bit more and go through the grounds as Jeff suggested. The starboard "battery switch" had been ...

Great, that's kind of what I was thinking too. Time to get reading. Thanks!

This is fantastic, invaluable really. Thank you for posting these here! Much needed and much appreciated.

Any idea what years the "Old Owners Manual" would apply to?

UPDATE: Tested the batteries, all good except the starboard read 0! So you were right, the battery was the problem. It must have drained when I left the ignition on? Can't understand why it affects all the other things and why the port side would be fine, unless that switch in the engine bay is rela...