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Discussion Starter #1
im buying the 0awg wires and i want to do it this week, but im not sure how. anyone have pics?
?
 

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Not trying to be a dumb ass but ,what is a Big 3 upgrade?
 

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Not trying to be a dumb ass but ,what is a Big 3 upgrade?
you upgrade the 3 major grounds under the hood to help keep voltage up especially with systems and stuff like that, i think it goes like this
battery ground to frame
engine ground to battery
engine to frame
i dunno if those are right for sure tho
 

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its the 3 main power wires in your car, it goes::

alternator to positive battery+
negative battery- to chassis (dead ground)
engine ground to chassis
 

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Man that's good to know. I have a system in my truck and I'm constantly just over 14 volts .
 

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I just did the Big 3 last weekend. Before, my voltage was dropping to about 12.4 on the heavy bass, now it stays around 14.4 all the time....and no more dimming!
 
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