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<blockquote data-quote="helotaxi" data-source="post: 363093" data-attributes="member: 550915">Well everything has to go back to the battery, so technically everything is grounded there.&nbsp; However I have never heard of battery whine, or battery noise.&nbsp; Ground loops on the otherhand I have heard of and they are caused by differences in potential between audio components.&nbsp; Running a ground straight to the battery is lowering voltage drop and lowering the resistance, and grounding all your audio components that way will eliminate ground loops.My whole car is made of sheet metal, it&#039;s called a uni-body.&nbsp; And my starter doesn&#039;t not start the car if the voltage drops .3 volts.&nbsp; My starter isn&#039;t subject to noise from a ground loop.&nbsp; Fire is not the concern, voltage drop is.Well maybe you should take a 200 series car audio course, you know get past the basics of just how to get everything to turn on and look at how to get it to work at its best.</blockquote>

[QUOTE="helotaxi, post: 363093, member: 550915"] Well everything has to go back to the battery, so technically everything is grounded there. However I have never heard of battery whine, or battery noise. Ground loops on the otherhand I have heard of and they are caused by differences in potential between audio components. Running a ground straight to the battery is lowering voltage drop and lowering the resistance, and grounding all your audio components that way will eliminate ground loops. My whole car is made of sheet metal, it's called a uni-body. And my starter doesn't not start the car if the voltage drops .3 volts. My starter isn't subject to noise from a ground loop. Fire is not the concern, voltage drop is. Well maybe you should take a 200 series car audio course, you know get past the basics of just how to get everything to turn on and look at how to get it to work at its best. [/QUOTE]

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