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Message: <blockquote data-quote="audiolife" data-source="post: 2487570" data-attributes="member: 541383"><p>the end that is screwed to the car (the ground ) unhook it from the car . hook up another 0 ga wire to the neg post up front run the wire from there to back by where the ground cable is now loose . you can crimp another oring to the new wire and screw them together or you can take the oring off and use a coupler. you want to insulate the coupler or the 2 orings just to be safe. then see if the alt charges the back battery good with the sound system off. should start to go up after a few minutes and hold the charge</p></blockquote><p></p>

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