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Old 03-11-2021, 02:45 AM   #1
The MaryAnn's Avatar
City: Channel Islands Marina Ventura CA
Vessel Name: The MaryAnn
Vessel Model: 34' Californian Trawler
Join Date: Feb 2021
Posts: 21

Hi, I'm having a problem with my wipers and horn not working and I'm not sure where the fuse box would be on my 34' twin engine Californian diesel trawler. I was told it could be a ground wire by the Yacht tech guy?

I know there's a bunch of wires under the driving station in the cabin. Also my starter controls don't work upstairs, sincerely Mark on the MaryAnn.
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Old 03-11-2021, 09:57 AM   #2
Portage_Bay's Avatar
City: Coupeville Wa.
Vessel Name: Pelorus
Vessel Model: Californian 42 LRC
Join Date: Oct 2015
Posts: 1,408
When you say fuse box of you're thinking automotive style fuse box you won't have one.

You may have dedicated breaker switches on the main panel or a sub panel.

You may have inline fuses.

If previous owners have monkeyed with the wiring there's no telling what you'll find.

Your tech gives you a good suggestion. Grounds are a common problem on older boats.

It's going to be a voyage of discovery for you.
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Old 03-11-2021, 01:18 PM   #3
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City: California Delta
Vessel Name: FlyWright
Vessel Model: 1977 Marshall Californian 34 LRC
Join Date: Apr 2008
Posts: 13,525
Have you pulled the CB panel at the lower helm to trace the wires for the wipers and horn? Have you checked voltage at the wiper motor and horn contacts?

You may have inline fuses on those wires. You may have faulty components.
My boat is my ark. It's my mobile treehouse and my floating fishing cabin. It's my retreat and my respite. Everyday I thank God I have a boat! -Al

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Old 03-11-2021, 01:34 PM   #4
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City: Pender Harbour, BC
Vessel Name: Gwaii Haanas
Vessel Model: Custom Aluminum 52
Join Date: Sep 2013
Posts: 3,791
A Taiwanese boat of that vintage will have all sorts of wiring issues. My friend just redid his with an electrician and he pulled pounds of useless wire out of his boat and rebuilt the panel. If you are having those sorts of diverse issues its time to make this your number one project.

If in doubt, look at the thread on the marina fire in Campbell River...
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electrical, electrical panel, electrical system, fuses, wiring diagram

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