Question about Pioneer DEH-P640 CD Player

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Pioneer DEH-P640 Car CD Player

Hi there, My Pioneer DEH-P640 in dash AM/FM CD Player is what I am having a problem with. My display is working however it is very dim, you can only see the display at night when the interior of the vehicle is dark. Is there some sort of dimmer controller in the deck or some sort of a factory reset reset deck to factory settings? I thank you in advance for any assistance...Walt Smith

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Re: Pioneer DEH-P640 Car CD Player

Does the Vehicle It is in have auto headlights or are the headlights on when you notice this. If so try and Make sure the headlights are off and see if that makes a difference. Otherwise thers is I believe an orange wire in the harness that gets hooked up to the headlights for lighting on the deck at night driving

Posted on Sep 17, 2008

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Re: Pioneer DEH-P640 Car CD Player

Does the player has the 12v needed on the rem side to light the player? If so then there maybe a short in the lamp area, if you tapp on player do light come in and goes out?

Posted on Sep 10, 2007

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