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Author Topic:   which fuse?
chad posted 03-04-2001 11:24 PM ET (US)   Profile for chad   Send Email to chad  
I have two 15 and one 30 amp fuse on my Montauk console. I wired a vhf to the 30, which is controlled by the toggle switch. Should the depth finder be wired in the same manner? Is this the best way to wire a vhf and a depth finder? Thanks
triblet posted 03-05-2001 01:02 AM ET (US)     Profile for triblet  Send Email to triblet     
The VHF will run around 6 amps peak. The
depthfinder and GPS around a half amp.

Are you saying the switch is between
the battery and the 30 amp fuse? That would
be bad. Nothing but wire, and as little of
that as feasible, should be between the fuse
and the battery.

And 30 amps seems like a lot. I wonder if
the switch and wire can handle 30 amps.

Something seems fishy in the way this is
wired.

What year Montauk? Are the fuses factory?

Chuck

dreid posted 03-05-2001 06:33 PM ET (US)     Profile for dreid  Send Email to dreid     
Seems a safer way is to take your power off the hot post on the buss bar ahead of the factory installed fuses, then put a new fuse in-line to the appliance (vhf, gps, etc.) sized to that devise's specs. You can either mount the new fuse on the panel (some panels come with plugged holes already drilled) or just drop an in-line fuse inside the console. Read the PW that came with the devise, and the power consumption and recommended fuse size should be listed therein. We've got some pros here that may have a different/better recommendation, but this has worked for me.
dreid posted 03-05-2001 06:37 PM ET (US)     Profile for dreid  Send Email to dreid     
Forgot to say to take your hot lead after the 30-amp breaker and ahead of the 15-amp breakers. The 30 should be enough to handle everything on board and it will serve as your main breaker if wired this way.
chad posted 03-05-2001 09:29 PM ET (US)     Profile for chad  Send Email to chad     
Thanks, I have a 1984 Montauk with an electrical system that seems to be original. I think my description left alot to be desired. I have wired my electronics to the buss bar(I learned a new word!) and left the in-line fuses in tact. How do I know if I am after the 30 and ahead of the 15? I like that I can flip the toggle switch and cut the power to all appliances.
triblet posted 03-05-2001 09:40 PM ET (US)     Profile for triblet  Send Email to triblet     
Chad: To find out if you are before or after
the 30 amp, remove the 30 amp, see what still
works.

And inlines are fine, BUT, use waterproof
lines (there's a nice yellow waterproof
case for the Buss (cylindrical glass) fuses,
and a nice case for the ATC (??) blade type
automotive fuses. The down side of the
inlines is they can be hard to get to in
the console.

Blue Sea Systems makes a nice six Buss fuse
block. Nice cover, spare fuse holders,
little lever to pop the fuse out,
optional ground buss bar. I mounted one
on the inside front of my console for the
electronics. And they have darn near every
flavor of label you could want on their
website for cheap: (.50 per label plus
.50 shipping). Way cheaper than their set
of 20 labels at the chandlery.
http://www.nas.com/electric/

Chuck

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