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Center Console rewire - Help!

Old 12-28-2015, 06:27 PM
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Default Center Console rewire - Help!

I have been reading and learning from this site for a while now as I get ready to correct the wiring on my boat from the wiring masters who had it before me. Switches on the control panel don't work consistently and some stuff doesn't work at all.

This is the first boat I have ever owned and I don't know a lot about wiring but I can figure it out with the right guidance.

This boat has a 3 battery system (1 cranking, 2 trolling) I plan on leaving it that way as opposed to adding a 4th house battery.

I need to wire in:
Horn
Nav Lights
Livewell (1 pump)
Bilge
Crtsy Lights
Radio (will be adding amp as well)
Jack Plate (seperate switch than the control panel)
Wash Down (will probably remove)
Fish Finder/GPS
(The boat also has a minn kota talon but all that wiring does not run to my console)

I have added the pictures of my current disaster. There is no form of busbar and that is something I definitely would like to add.
Attached Images      

Last edited by trenton521; 12-28-2015 at 06:36 PM. Reason: additional information
Old 12-28-2015, 07:29 PM
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I'm no expert but the I've wired a few boats. I highly recommend that you get a good crimper, heatshrink connections and dielectric union grease. I feel that the union grease fends off more corrosion and the connections last a lot longer. Marine tin wire. I like to go a size or two above the recommended size.

Marine tin wire & materials - http://www.genuinedealz.com/

Fuse panel - http://www.genuinedealz.com/blue-sea...t-negative-bus
Old 12-28-2015, 08:07 PM
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Order the book The 12 volt Bible, also you need a good volt ohm meter, a small hand held torch to heat the connectors, or a heat gun, buy an assortment kit of heat shrink connectors and use the racheting crimpers.you will also need some regular heat shrink tubing for some jobs. Theirs plenty of good YouTube videos on12 wiring, if one looks too goofy or something sounds stupid it probably is. Also there plenty of good tips and post about wiring right here on THT. When asking a question try to be specific or provide some good details on what you're working on, pictures help like the ones you already posted. Everything you need to do can be done with just a few special tools, and lots of patience, even this of us that wire and rewire boats and vehicles have to stop. And take a breather to get our head back on the right track. Hope this helps.
Old 12-28-2015, 09:01 PM
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Thanks for the help with materials tcastric. I have seen that fuse panel mentioned a lot in other wiring threads I am guessing this is my best option.

concordtowing thanks for your help I have some basic experience with wiring on motorcylces and cars but not very much with boat wiring or at least not the correct way of doing things. That rats nest has been a bit over whelming as I have tried to decipher where the wires actually go with all the household twist connections and splices for every time a wire was added.

My main question for now is do I need to start from scratch so to say and add in a fuse panel like the one mentioned above and just build from there?
Old 12-29-2015, 06:42 AM
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Start by tearing out every old wire so nothing exists. Then bleach and power wash everything! (You've got a heck of a mild problem) Might want to go with a fresh coat of paint in the console if the old gel is beyond repair. New paint will provide a nice smooth shiny surface to begin working with.
Old 12-29-2015, 07:30 AM
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Since my boat is setup with breakers should I add in that fuse panel as well or use a non fused bus just for organization and clean junction?
Old 12-29-2015, 08:31 AM
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Holy mold batman!

Unfortunately I have rewired to many times to be proud of and that is a perfect candidate for a total tear down and a good scrubbing. Buy atleast 100' of 14-16ga Marine Tinned duplex wiring and a good fish tape and go to town.
Old 12-29-2015, 08:59 AM
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Woooo! Good luck...something I want to do eventually.
Old 12-29-2015, 09:07 AM
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Agree with Castro and reds. Did my 31 the same way . Tear out every wire and fuse panels and ap started from scratch. Start with a diagram or layout of what you want and use tinned wire and heat shrink connectors. Change pump and hoses whole your at it too.
Old 12-29-2015, 10:39 AM
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Originally Posted by aln2202 View Post
Agree with Castro and reds. Did my 31 the same way . Tear out every wire and fuse panels and ap started from scratch. Start with a diagram or layout of what you want and use tinned wire and heat shrink connectors. Change pump and hoses whole your at it too.
THIS. But first, take pictures of everything. You can annoy your family later (this is what I did over Christmas) and you can get yourself out of the inevitable pinch. It would actually be better to manually diagram stuff, but that is amazingly tedious. Cell phone cameras are more than good enough to document.

Clean is good.

If you need to make more hangers or mounts look into Weld Mount stuff. Pricey but amazingly useful. I'm in the middle of rewiring my 22 footer - complete strip down - and it keeps one from driving holes in the fiberglass.

Get a GOOD wire labeler like a BMI 21. Much better than futzing with a Brother type labeler.

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