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<blockquote data-quote="dpu2014" data-source="post: 5289585" data-attributes="member: 590446">Ok im having dimming issues even after doing a big 3.&nbsp; I just read this, is it bull shit?Adding a Second BatteryMany people are under the impression that adding a second battery will cure their electrical problems. If one battery is good then two must be better. Right? Wrong. Remember that the function of a battery is to start the vehicle and to provide power when the vehicle is not running. The only thing a second battery will help you with is &quot;parking lot&quot; listening time. Basically it will provide you the additional capacity to run your stereo longer without starting the vehicle. After the vehicle is started the second battery becomes another load on an already overworked alternator. If you do replace your battery I would recommend getting one from Optima or one of the other specialty battery manufacturers such as Stinger or Rockford Fosgate.</blockquote>

[QUOTE="dpu2014, post: 5289585, member: 590446"] Ok im having dimming issues even after doing a big 3. I just read this, is it bull shit? Adding a Second Battery Many people are under the impression that adding a second battery will cure their electrical problems. If one battery is good then two must be better. Right? Wrong. Remember that the function of a battery is to start the vehicle and to provide power when the vehicle is not running. The only thing a second battery will help you with is "parking lot" listening time. Basically it will provide you the additional capacity to run your stereo longer without starting the vehicle. After the vehicle is started the second battery becomes another load on an already overworked alternator. If you do replace your battery I would recommend getting one from Optima or one of the other specialty battery manufacturers such as Stinger or Rockford Fosgate. [/QUOTE]

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