Question about Pioneer DEH-P2500 CD Player

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Wiring diagram need a wiring diagram for a vy holden commodore instaling a pioneer head unit can u please help

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Nae luck haha

Posted on Oct 26, 2008

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I have a holden vt commodore, I installed the Alpine CDE-152E Head Unit and now my speakers don't work. Sound was fine before I took the stock stereo out.


Well looks like you have miswired, miscongigured or its a faulty unit. I believe you should check all your wiring, and make sure the install is as per the manual. Disconnect your speakers and check them for continuity with a meter. They will be ok Theres something you haven't done like connecting the pre-amp to the main amp or the plugs are miswired

Jul 20, 2014 | Car Audio Receivers

2 Answers

Pioneer DEH-3300 UB


Apparently, you have no power at the 12 volt battery/memory wire at the radio harness of the vehicle. This wire is white with blue in color.
Also, based upon your description, you have connected the battery/memory wire and the accessory wire of the radio to the 12 volt accessory (switched) wire of the vehicle. This wire is white with red in color.
Check the radio/ stereo fuse of the car. You may have blown the fuse during your installation.
You have no memory at the radio because when you turn off the key, you lose all power to the radio.
Also, I mentioned the wire colors just in case you used an aftermarket radio wiring harness. Make sure that the yellow from the Pioneer unit is going to the battery power source and, the red of the Pioneer is going to the switched power source.

Sep 12, 2012 | Pioneer Car Audio Receivers

1 Answer

Need wiring harness color coded diagram for pioneer dehp3900mp


Hi, the wiring diagram is at the back of the manual. This unit has the standard wire colors for all aftermarket head units. Please get back to me with the car model and year if you need to know the car wire colors to match up.

http://a248.e.akamai.net/pix.crutchfield.com/Manuals/130/130DEHP390.PDF

Nov 20, 2011 | Car Audio Receivers

1 Answer

I have a Pioneer DEH-P6400 head unit. I need a wiring diagram so i can reinstall it.


the standard radio diagram is

yellow 12v battery

red 12v accessory

black earth

blue/white amp rem

blue power antenna

white fr left +

white/black fr left -

grey fr right +

grey/black fr right -

green rear left +

green/black rear left -

purple rear right +

purple/black rear right -

that should help u

Aug 13, 2010 | Pioneer DEH-P6400 CD Player

1 Answer

Hi I'm having a few issues with my deh 2100 head unit in my VY commodore. I installed it myself with the right wiring harness but the head unit doesn't remember settings or band settings. Also when the...


When a head unit doesn't remember settings like yours, then the Yellow constant battery wire isn't hooked up correctly. This wire provides power to your unit constantly from the battery so that it can remember the settings and such. Your aerial not going up is the Blue power antenna wire. This wire will provide power so that when you turn your unit on, it powers the antenna to go up. Hope this helps!

Aug 05, 2010 | Pioneer DEH-2100 CD Player

1 Answer

Pioneer DEH-P2600


blue and white wire on a pioneer is usually the power antenna wire, most people use it as the lead for power to turn on the amp that is installed, the amp should be hooked up to the RCA jacks on the back of the player to the input RCA jacks on the amp. then the outputs vary, some amps are bridgable which means that you can hook up one speaker to both output speakers this will almost double the watts to the speakers. you must know which side would be positive and which side negative to set it up like this. also important is it a two or four channel amp. this all matters. if you can provide more info I can assure you the best hookup possible for premium sound.

Dec 11, 2007 | Pioneer DEH-P6900UB CD Player

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