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Message: <blockquote data-quote="abcdefg" data-source="post: 135787" data-attributes="member: 545534"><p>power gives it power and the ground is the -, just like a light switch there is a power wire going in which is + or sumtimes called a hot wire, then coming out to complete the circuit is the negative, now in car audio the - is called a ground, everything you give power to in the car has to be grounded, you do that by running a wire to the chasis, which the chasis is already hooked to the negative side of the battery, that gives the cd player, amp,etc a complete circuit, do u understand that now???</p></blockquote><p></p>

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