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hello from sunny south florida


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jv6713 
Member - Posts: 7
Member spacespace
Joined: December 26, 2013
Location: Florida, United States
Posted: December 26, 2013 at 1:32 PM / IP Logged  

hello everyone new to the forum and really looking forward to all the combined knowledge that only this forum can bring to those who seek it.

with that said I have a question. what is this and what is it used for?  [URL=https://imageshack.us/photo/my-images/43/gh2b.jpg/][IMG]https://imageshack.us/a/img43/2889/gh2b.th.jpg[/IMG][/URL]

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DYohn 
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Moderator spaceThis member has made a donation to the12volt.com. Click here for more info.spaceThis member has been recognized as an authority in Electrical Theory. Click here for more info.spaceThis member has been recognized as an authority in Mobile Audio and Video. Click here for more info.spacespace
Joined: April 22, 2003
Location: Arizona, United States
Posted: December 27, 2013 at 9:49 AM / IP Logged  
Welcome to the forum. That looks like a battery isolator. It is used to allow a second battery to operate the audio system without affecting the car's battery.
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jv6713 
Member - Posts: 7
Member spacespace
Joined: December 26, 2013
Location: Florida, United States
Posted: January 03, 2014 at 10:02 AM / IP Logged  
thank you.
It's all about the journey the destination is a pit stop.
oldspark 
Gold - Posts: 4,913
Gold spacespace
Joined: November 03, 2008
Location: Australia
Posted: January 03, 2014 at 10:28 AM / IP Logged  
And it's a diode type isolator...
It may be cheaper using a relay type isolator unless you have a Sense circuit/wire from the alternator's voltage regulator to the battery, but then the 2nd battery can be over or undercharged.

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