Question about Pioneer DEH-P440 CD Player
The alpine unit needs power at 3 locations. It gets constant and ignition thru a din plug and the blue accessory wire
Posted on Apr 22, 2008
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Posted on Jan 02, 2017
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Make sure that your amp turn on wire is connected from behind the radio to your amplifier. Usually the turn on wire is a blue wire but it can be any. This blue wire connects from the blue/white wire behind the radio to your small connection turn on connector on the amps power connections. You have 3 ( 12V , Ground, Switch or the smallest connector)
Also check the amplifiers fuses, and the main powerline fuse as well. If this doesnt work then write back to me.
Oct 10, 2007 | Alpine MRD-M1005 Car Audio Amplifier
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