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Message: <blockquote data-quote="inteva6184" data-source="post: 8548829" data-attributes="member: 672062"><p>Like I said earlier the acc wire is the one that causes the problems.  As far as I know they all have a 12v constant to keep memory the acc wire is the one that they dont all have but all aftermarket radios need.   If you have ground and 12v constant that means you dont have a 12v acc.  So like I said earlier break out the multi meter and check for a 12v source thats on with key on and off when they keys off.  If your factory radio stayed on even with the key off until the door is open that means your acc wire is a delay acc wire.  So that means that when you check with the multi meter you find the one that turns on with the key turn they key off open the door and see if it looses the 12v signal.</p></blockquote><p></p>

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