Nissan Navara D40 2011 standard stereo wiring diagram

Yes Pink is the constant power.

https://www.modifiedlife.com/2003-nissan-frontier-radio-wire-harness-guide/

https://www.google.com/search?q=2003+nissan+frontier+stereo+wiring+diagram

The best way is you get a $7.95 harness conversion kit from Crutchfield with the radio, so you just plug them in, car plug to Alpine plug. Also, don't forget that many units are monitored and operated by the BCM although a 2003 is probably too old.

https://www.google.com/search?q=2003+nissan+frontier+replace+stereo+with+Alpine

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Limited help in the link

https://www.google.com/search?q=2011+navara+radio+upgrade&rlz=1C1QJDB_enCA643CA644&sourceid=chrome&ie=UTF-8

Wiring is easier. Crutchfields sell conversion harnesses for most cars.

https://www.google.com/search?q=2011+nissan+navara+stereo+wiring+diagram

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Hi, you can usually buy a stereo wiring harness that plugs right into your car and they are color coded to match the standard aftermarket wire radio harness, all you do is take the plug from your new stereo and match the wires with the adapter, just connect the matching wire colors. it's super easy and well worth the $15-20, and you don't have to cut up your factory harness.
good luck!

you should be able to buy a wiring loom extension for your radio/vehicle from most car audio shops or look online once you know the part you need as will be cheaper,then you wont have to try to convert the wiring just plug in and job done

Contact WWW.crutchfield.com they have wiring diagrams for 99% of vehicles on the road today.

Here is a list of radio wiring harness wire color codes and what they do. I have given both with and W/O Bose.

Nissan Maxima Car Stereo Radio Wiring Diagram Radio Constant 12V+ Wire: Pink/Blue
Radio Ignition Switched 12V+ Wire: Blue/Black
Radio Ground Wire: Vehicle Chassis
Radio Illumination Wire: Red/Blue
Radio Dimmer Wire: Red/Orange
Radio Antenna Trigger Wire: Black/Red
Front Speakers Location: Doors
Left Front Speaker Wire (+): Blue/White
Left Front Speaker Wire (-): Blue/Yellow
Right Front Speaker Wire (+): Brown
Right Front Speaker Wire (-): Brown/White
Rear Speakers Location: Rear Deck
Left Rear Speaker Wire (+): Red
Left Rear Speaker Wire (-): Green
Right Rear Speaker Wire (+): Blue
Right Rear Speaker Wire (-): Pink
1997 Nissan Maxima with Bose Stereo Wiring Diagram W/Bose
Car Radio Battery Constant 12v+ Wire: Pink/Blue
Car Radio Accessory Switched 12v+ Wire: Blue
Car Radio Ground Wire: Chassis
Car Radio Illumination Wire: Red/Blue
Car Stereo Dimmer Wire: Red/Yellow
Car Stereo Antenna Trigger Wire: Black/Red
Car Stereo Amp Trigger Wire: Green/White
Car Stereo Amplifier Location: Each speaker has its own amplifier located at each speaker.
Left Front Speaker Positive Wire (+): Yellow
Left Front Speaker Negative Wire (-): Brown
Right Front Speaker Positive Wire (+): Violet
Right Front Speaker Negative Wire (-): Light Green
Left Rear Speaker Positive Wire (+): Red
Left Rear Speaker Negative Wire (-): Green
Right Rear Speaker Positive Wire (+): Pink
Right Rear Speaker Negative Wire (-): Blue

This model is also called Nissan Frontier2001-2004 Nissan Frontier (North America) Nissan D22 Navara (Australia).

Then, check this:
2004 Nissan Frontier Truck Car Radio Stereo Audio Wiring DiagramCar Radio Battery Constant 12v+ Wire: PinkCar Radio Accessory Switched 12v+ Wire: BlueCar Radio Ground Wire: GrayCar Radio Illumination Wire: Red/BlueCar Stereo Dimmer Wire: Red/YellowCar Stereo Antenna Trigger: N/ACar Stereo Amp Trigger Wire: N/ACar Stereo Amplifier Location: N/ACar Audio Front Speakers Size: N/ACar Audio Front Speakers Location: N/ALeft Front Speaker Positive Wire (+): PinkLeft Front Speaker Negative Wire (-): BlueRight Front Speaker Positive Wire (+): WhiteRight Front Speaker Negative Wire (-): BlackCar Audio Rear Speakers Size: N/ACar Audio Rear Speakers Location: N/ALeft Rear Speaker Positive Wire (+): Light GreenLeft Rear Speaker Negative Wire (-): VioletRight Rear Speaker Positive Wire (+): BlueRight Rear Speaker Negative Wire (-): Pink

Hope this helps.

A 1 DIN stereo is what came stock in your vehicle. A 2 din stereo is double the height of a 1 DIN stereo, but the same width.

If you look on e-bay, you will find many double din stereos for sale. (double din being the larger sereo, as in double the size of the single din that we consider standard size)

You may need to replace the head unit - you can pick up a OEM replacement on ebay for about 70-100, or go to a stereo place and get a double din head unit for as much as you want.

Aftermarket head unit would probably be better anyway, and you can find a decent clarion double din head unit for less than $200, with ipod control, mp3, wma/aac, etc.. it will be better than your OEM stereo.

If you decide to replace the stereo, its really easy and would take only about 30 minutes, message me and i'll tell you how to remove the stereo.