Question about Pioneer AVH-P4900 Car Video Player

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I have the pioneer avh-p4000dvd.but what are the main power wires

I blown the fuse when i connect red and yellow together

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  • smartandfunn Oct 15, 2008

    just the yellow and red wire

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  • Master
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What are you trying to do.????
you mean the RCA jack or jus the yellow and red wire???

Posted on Oct 14, 2008

  • Frank
    Frank Oct 15, 2008

    yellow is video and the red is audio left. you blown hte fuse becasue audio has more power than the video. in other words the set up you have will not work. what are you trying to do???

    if you trying to combine audio and video together. you need a converter box, which you can get from radio shack.

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I have a bad wineing noise when my 02 dodge ram 1500 is running after i installed a pioneer avh-p4000dvd and a 4 channel amp try to fix the problem


The noise is due to AC ripples in the power supply and so you will need to soften the power supply with the use of a isolated regulation or use of inductor/capacitor filters on the alternator circuit and the power supply to the system.
In most systems there are filters but if the alternator has isssues- power regulator or rectifiers- then the noise can be evident.
Please check with all the ground connecctions, check battery ground and the grounding of the set. You can try with adding a 0.5mfd/250V capacitor to the alternator circuit to be grounded.
Finally check the power amp. ground, use a direct line from the battery with a fuse and avoid the source from the wiring harness.

Oct 08, 2011 | Pioneer AVH-P4000DVD Monitor

2 Answers

No sound from ipod, usb or aux?


I removed my Pioneeer AVH-P4000DVD from my Tacoma pickup to upgrade to an AVH-X2500BT and installed the AVH-P4000DVD in my mustang cobra and found myself suffering from a strange issue (that seems to have happened to a lot of you too). All of a sudden I had lost my audio on my USB and AUX inputs. I tore the net apart for a solution, pouted, drank, and started doing more and more research, and check instruction manuals. I eventually found the solution based of one lone comment someone had mentioned regarding ground and comparing the wiring diagrams for the two decks. I pulled the pioneer harness out of truck and compared it to the pioneer harness in my car and found an inconsistency. This may solve the issue that plagues you as well. Check the harness you are using. I was not able to find a pinout, but the 4 wires on one end of the harness for the AVH-P4000DVD should be +12V battery, +12V ignition, ground, and ground, (yellow, red, black, and black). If you have received the harness for a newer model of pioneer AVH it will still fit fine but one wire is out of place. The second ground wire you need has been replaced by a purple reverse gear sensor for the backup camera. Ground out the purple wire and it should solve your issue... It did for me. Good luck.

Sep 20, 2011 | Pioneer AVH-P4000DVD Monitor

1 Answer

I need a avh-p4000dvd wiring diagram


i have the manual for it .. i hope this helps -- ther are phone numbers to call Pioneer to get further information

http://www.pioneerelectronics.com/StaticFiles/Manuals/Car/AVH-P4000DVD_OperationManual0123.pdf

Oct 30, 2010 | Pioneer AVH-P4000DVD Monitor

2 Answers

No picture after bypass of pioneer AVH-P4000DVD


remove the toggle switch and pray you didnt do damage to your delicate stereo system

Sep 27, 2009 | Pioneer AVH-P4000DVD Monitor

1 Answer

How do i play video from usb on a Pioneer AVH-P4000DVD?


You can NOT view video using USB on this unit. Video has to come from the AV inputs (RCA connections) or from an IPOD connection. Sorry.

Jun 30, 2009 | Pioneer AVH-P4000DVD Monitor

1 Answer

Bypass without switch


Get a relay (4 or 5 pin) from Autozone, O-Reilly, PEP Boys, etc....
Connect wires as follows on relay:
Pin #86 - Amp remote from your radio (blue wire)
Pin #30 and #85 - to a chassis ground (metal dash bracket)
Pin #87 - to Parking brake input wire on your radio (light green)
Pin # 87a - IGNORE. It isn't used in this case.

What this will do is.....
Radio will power on when you turn your key. The amp wire is delayed slightly and will trigger the relay in a second or two. This tricks the radio into thinking your e-brake has been engaged and violla....Mine has worked everyday since I connected it.

Apr 07, 2009 | Pioneer AVH-P4000DVD Monitor

3 Answers

Im trying to bypass parking brake switch for pioneer AVH-P4000DVD. I already connected it to ground and then to power, but none of it works. I know that if i Install a toggle switch with 12volt current and...


This what you do. Connect the video wire to a power suppy and install a switch in the power wire. When you put the DVD in and the warning comes up, turn the switch on then off. This will allow you to watch the DVD without the park brake being applied.

Mar 21, 2009 | Pioneer AVH-P4000DVD Monitor

2 Answers

How do i bypass the brake safety switch on a pionner avh-p4000


CONNECT A SWITHC TO THE PARKING BRAKE WIRE ONE OF THE PINS FROM THE SWITCH TO GROUND AND THE OTHER SIDE TO THE PARKING BRAKE WIRE.

Mar 14, 2009 | Pioneer AVH-P4000DVD Monitor

1 Answer

What's the recommended camera for avh-p4000dvd pioneer unit


Pioneer recommends Pioneer ND-BC2, but you should be able to use any with a descent viewing angle and RCA connections.

Mar 14, 2009 | Pioneer AVH-P4000DVD Monitor

1 Answer

Watch a dvd while driving pioneer AVH-P4000 DVD


ground the wire to a hot (ie power comes to the wire) switch in your dash, like a rear window defroster or seat heater. turn the switch on then off and it will trick the system into thinking you activated the parking brake.

Mar 03, 2009 | Pioneer AVH-P4000DVD Monitor

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