2007 Silverado 2nd Battery install

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Aug 4, 2013 | 10:24 AM

#11

hog

TECH Fanatic

Joined: Oct 2005

Posts: 1,379

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From: Woodstock Ontario Canada

Quote:

Originally Posted by ASkipper

Alternator does not run accessories when the engine is off. Now I am draining my Aux battery and not killing my main battery. All my extra stuff- CB, 500 watt linear, off road lights, 12,000 winch, dog box lights will be run off aux battery. More insurance that I don't kill main battery. The alt is the upgraded unit from GM

Obviously the alternator isnt charging with the engine off.

An aftermarket alternator would top off your kit.

peace
Hog