Boat wiring diagram?

shicks007

shicks007

Senior Member
Hey guys,

I seem to remember someone posting a "general" boat wiring diagram on this sight awhile back. I going to be rewiring my boat here in the near future and I figured it would help. Does anyone have one?

I am going to install a new tach and maybe a few other new gauges. I have a 2 pos. switch to toggle between fuel tanks to one gauge and a 2 pos switch for anchor/nav lights. I was thinking of going to a nice D.C. switch panel to clean up the job a little bit, maybe a 5 or 6 switch panel.
1. Nav lights
2. Anchor light
3. Bildge pump
4. Future cockpit lighting
5-6. spares for future use

I'm not sure of the best way to go about wiring. My budget is tight, so I need to make it right but keep it economical. Any thoughts or suggestions would be great.

Scott
 
Hey 007, I think I have the original owners manual for the V20 ( 1983) somewhere, If I can lay my hands on it I'll scan the wiring diagram and send you a copy
 
i always go buy a 12/3 or 14/3 100ft drop cord and cut it for all my wiring. that way you have an extra wire at all accessories. it's plenty heavy enough wire and it's oil and gas safe. just count how many you need to the back and write on the wires with a sharpie marker what they are and pull all at once then run your front wiring. One 100 ft cord will rewire your whole boat and they are cheaper than reg wire. just crimp on the ends and go.
 
thanks willy i tryto buy a cord that matches the boat you know those cool blue and yellow ones and white green ones lol they sometimes are only found in 50 ft so ibuy 1 50ft and if i need more i buya second.
 
Just for kicks, thats how I wire boat trailers. I use the third wire for ground so that everything is grounded up front.


Airslot
 
I just add wires one at a time and they all work!! Looks like a bowl of pasta, and i will never know what goes to what :o But it works!!
You should see the grounding block!! Its a 4" bolt that I just keep adding to!! ::)
 
That's the one B.S. Thanks a bunch!

Mine all works most of the time, but I can't stand flayli'n a$$ stuff.
 
Wire1.sized.jpg
 
schicks, I just got through  doing a complete re-wire on my 84 cuddy. it wasn't that bad.  I ended up putting the fuse block on the roof of the cabin instead of behind the dash.  If I needed to get to a fuse the gauges were in the way.  I mounted it on a piece of starboard just forward of the cut-out.  I am havin a new snap curtain made that is longer and will hide the fuse block.  The extention cord is ok, just solder the connections.  I used tinned #12 for the runs to the bilge pump,bilge pump light, live well, & fresh water washdown (17 feet from the dash to  center of the transom).  I went to a tool fair and bought a whole assortmnt of  wire terminals for about 10 bucks.  I pulled the plastic sleeve off, crimped & heat shrinked  them.  I hope that dosen't haunt me later.  Good Luck..
 
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