Question about Alpine Car Audio & Video
There's 2 power sources for the head unit. (Yellow and Red wire)
The red wire should be connected to a switchable 12 volt source (turns on and off with the ignition switch) this circuit is for the operation of the head unit.
The yellow wire should be connected to a constant 12 volt source (not switched on or off), this circuit maintains the head units memory and clock settings when the unit is shut off.
Posted on Jul 29, 2010
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Posted on Jan 02, 2017
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