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Author Topic:   Blowing Fuses
DillonBW posted 05-12-2009 03:03 PM ET (US)   Profile for DillonBW   Send Email to DillonBW  
I've just rewired my stern light on my 17' GLS and when I checked it, all worked fine. The next day, showing off my electrical skills to my Honey, the fuse blew. This fuse is the one in the connection box fixed on the aft starboard side, right by the battery. I have checked everything and can find no shorts anywhere. I only had two fuses and cannot remember the size. Help?
Also does any one have a wiring plan for this little box?
ChiTown Cetacean posted 05-14-2009 11:35 PM ET (US)     Profile for ChiTown Cetacean  Send Email to ChiTown Cetacean     
There are many others on this site with MUCH more electrical know how than me, and hopefully one of them will respond to you. For what it's worth, in my humble opinion, your problem is not a short. Something is drawing too many amps through the wire protected by the fuse which blew. Seems unlikely this would be a stern light, though, since lights usually draw low amps.

Is this wire the same new wire which you installed as the power supply to your stern light? What is the guage of the wire and the length of the run? There are charts available which will tell you the safe amount of amps which a particular guage wire can handle over a specified wire length.

Your easiest solution may be to simply install a new fuse which is toward the upper end of the amperage safety zone for your guage and length of wire run and see if that solves your problem.

Good luck,


DillonBW posted 05-15-2009 02:07 PM ET (US)     Profile for DillonBW  Send Email to DillonBW     
I am sure I will get it figured out soon.
Would be handy to have some kind of wiring diagram, guess I'll tear into it and make my own.
Thanks anyway Tony

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