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Old 04 March 2012, 10:16   #1
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Country: Greece
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fuses help

i open to change sometihng on my fuses area ....
and i saw that all the fuses are the same size anyone knows to tell what is the right size for every instrument ?
i ahve
vhf
gps
cd player
inst lights
nav lights
anchor lights
fresh water pump
horn
lighter
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Old 04 March 2012, 11:02   #2
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You'll need to provide more information than that. Different electrical devices have different electrical needs - current draw - and this is what defines the fuse rating.

Without this, I doubt anyone can help you with information that is reliable and safe.

Sorry
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Old 04 March 2012, 11:03   #3
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The best way would be to check what the device attatched to the fuse is rated at and put in a fuse of the nearest size.
so if your VHF is rated at 12v 1.2A then put a 1.5 or 2amp fuse in.
lighter would be arround a 20A ( same as a car I am guessing)
GPS do the same as the radio and for the CD player.
as for lights well that could be tricky to work out. depends on the bulbs etc.
Current = Power/Voltage
so 3x 10w bulbs @12v= 2.5amp so it draws arorund 2.5A so you would probably go for a 3 or 5A fuse.

if you use that formula you will be fine.
use quick blows for the electronics and slows for the lights.
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Old 04 March 2012, 13:12   #4
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thanks guys will go on boat tomorrow morning and checke all details so i tell you excatly what it is there to give me more details
i know nothing about currents but wanna know what is on my boat so i have to find out all details
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