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Posting a reply to: Re: Accessory Switch on dashboard help ...

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hi


You are replying to:
PMV
Posted 6/20/2010 7:30 PM (#446477 - in reply to #446007)
Subject: Re: Accessory Switch on dashboard help ...




Posts: 28


Ok, If you read my posts- now you know what fuse runs that switch- what size is the fuse in that spot on the fuse block- usually electronics are protected with a 3 amp fuse- the units are usually supplied with a in-line fuse-in the box that they came in- look at it- if it is the same style fuse that fits in the fuse block install it- otherwise go to the nearest auto supply store and buy the right style fuse, right amp, and install it. You have a 12volt dc electrical system in your boat for the lights, pumps, etc (anything off of that fuse block) there are two wires for a 12v dc circut- a positive and a negative. The wire running to that switch, that you traced out is the positive, this wire powers one side of that switch-you need to terminate the positive wire from your graph on the other side of that switch(should be two terminals). Now when you hit that switch the two terminals connect internally and power runs through the switch powering your graph-open the switch-the contact is broken and no power flows to your graph. I'd explain the negative thing, but I think you'll get confused. The graph runs now-just run that positive wire through that switch and install the right size fuse and you'll be fine.

If it is easier, think of running a garden hose to your sprinkler and turning the valve on or off. The fuse block is the water inside the house, the spicket or valve is the switch and the sprinkler is the graph. Power is running from the fuse block to the swich-if it is closed your graph gets power-open no power.

pmv

Edited by PMV 6/20/2010 7:40 PM

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