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Boats wiring?

Posted: Tue Mar 10, 2009 6:23 pm
by 1lastcast
Ok I decided to add a bow mount sonar/gps unit to my boat. Now Its time to wire the unit up. FUN :evil:

My boats wiring system is just not really ment to expand any more. I have a starting battery that is connected to my main motor. There are aprox. 6 other connection placed on the battery via a threaded style terminal. ie. VHF radio, Sonar. I dont like this setup at all. There are many inline fuses and nothing is marked. So Im going to install a fuse block under the console and run everything to it. Why dont these boat companys do this from the start? Cost????

Im thinking of using Blue Sea's 12 position fuse block? Anyone done this before? Any tips or advise would be great.

Posted: Tue Mar 10, 2009 8:55 pm
by bass ackwards
Ya I put in 2 separate fuse blocks thou, each on fused off a different wire/main fuse, that way is a if you overload one you don't loose everything and it makes it easier to diagnose a problem when they occur. I used the 2 prong automotive type fuses. Use OX-Gard on the prongs and connections to prevent corrosion. Solder any quick connectors that you use, and label wires and fuses with some type of label maker thingy. You will be surprised how quickly you forget what you hooked where.
I also mounted the fuse blocks onto squares of plastic.
Good luck, pm me is I can be of any help.

Dan