Question about Pioneer DEH-1900MP CD Player

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Stereo display works fine, but no sound to speakers.

I have a Pioneer DEH-1900MP hooked up in my boat. Speaker wires appeared to be hooked up correctly and stereo display works, but there is NO sound going to the speakers. It worked fine the other day. I hook up the speaker everytime I use the boat, then unhook them when I'm done, but the speaker wire gets wet. I'm using monster Cable. Would there be a problem with the speaker wires getting wet?
Not using an amp...I go directly from the stero to 2 speakers.

Thanks!!

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The wires may have gotten wet and fried something in the sound output in the stereo.

Posted on Aug 30, 2008

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Be sure as well to check all power connections to stereo for possible blown fuse. Likely have 2 or more fused connections for power.

Posted on Dec 10, 2011

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1 Answer

Wiring colors ford ranger 1992 &pioneer deh 3900 mp need to know which wires are which thanks


I suggest check this diagram
DEH-3900 Installation Manual -->> DEH_3900MP_CRD4131_installation_manual

1992 Ford Ranger Pickup Truck Car Radio Stereo Wiring Diagram
Car Radio Battery Constant 12v+ Wire: Green/Yellow
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Car Stereo Amplifier Location: N/A
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Left Front Speaker Positive Wire (+): Orange/Green
Left Front Speaker Negative Wire (-): Black/White
Right Front Speaker Positive Wire (+): White/Green
Right Front Speaker Negative Wire (-): Black/White
Car Audio Rear Speakers Size: N/A
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Left Rear Speaker Positive Wire (+): Pink/Green
Left Rear Speaker Negative Wire (-): Pink/Blue
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I have a pioneer deh-p3700mp DC reiciever. It was working fine. I turned it on and no sound. I did find one speaker wire came loose. I reconneted it. No sound comes out of any speaker. It appears to...


if the loose speaker wire touched ground it may have blown the output ic. also make sure you have no other loose or shorted wires as this will cause the output not to work.

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