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When head unit is removed from radio why does the lose its setting

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Hi,

Initially, pls confirm that the yellow wire is connected to a constant B+12 such as the + terminal of the battery. The red goes to a switched B+12 such as the ACC/IGN switch. If problem persists with the two pre-conditions satisfied, then there is an internal fault to the unit's logic circuitry.

Hope this be of initial help/idea. Pls post back how things turned up or should you need additional information. Good luck and kind regards. Thank you for using FixYa.

Posted on Nov 11, 2008

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http://www.sonicelectronix.com/item_18428_Raptor+ISPKBL4-BG+by+Metra.html
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