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» Termpro Audio Forum » Installer's Corner » Installation Tips, Tricks, & Techniques » how to do a Big Three

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Author Topic: how to do a Big Three
Cris SPL
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Hello guys

I always whant to now how bill a big three for the electricity of my SPL car, but I dont now how to do it and how I never see one of them so i need some help to do it


Thanks
Posts: 110 | From: Santiago Chile | Registered: Apr 2008  |  IP: Logged | Report this post to a Moderator
D-Bass
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The big3 would be adding bigger wires and/or more wires for the following connections...

Bat(-) to Ground
Alt(+) to Bat(+)
Alternator chassis/mounting ear to ground.

Two other suggestions would be adding...
Alternator chassis/mounting ear to Bat(-)
Amplifier ground point to Bat(-)
Posts: 5494 | From: Columbus, OH - formerly FL | Registered: Oct 2003  |  IP: Logged | Report this post to a Moderator
Mike Fallon
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Its actually a Big 4.

Grounds in a triangle. Battery negative,Chassis Ground and Engine Ground.

Fourth is a Positive from Battery to Alternator output.

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Just some thoughts from a nobody. [Smile]
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Posts: 3919 | From: Lakewood,Ohio | Registered: Aug 2003  |  IP: Logged | Report this post to a Moderator
Cris SPL
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So If I understand is Add more wires to the amplifier, and add better negative for the alternator, for the batterie and for the amps.

Because I runing 0 gauge for 3 set of pos and 3 set of neg for mi only 1 amplifier and I have 4 batteries.

Thanks
Posts: 110 | From: Santiago Chile | Registered: Apr 2008  |  IP: Logged | Report this post to a Moderator
   

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