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Message: <blockquote data-quote="GTamas" data-source="post: 1548875" data-attributes="member: 30240">The wiring is good. There will be something with the voltage.I measured the voltage on the remote wire from the head unit. When engine is not running, it is 11.7v and the amp is turning on.When engine is running, it is 13.7v and the amp is not turning on.So I guess I need to put a resistor between the head unit and the amp to reduce the voltage to 12v. Can someone help me what value resistor I need?I know this would reduce also the voltage when the engine is not running, but maybe 10v is also enough for the remote signal.</blockquote>