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Headunit Install HELP!!

Discussion in 'Stock 2002 - 2005 Explorers' started by 02XLT90, February 8, 2013.

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    1. 02XLT90

      02XLT90 New Member

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      Year, Model & Trim Level:
      2002 Ford Explorer XLT
      Hey guys, Im trying to do a simple head unit install in my 02 Explorer XLT, theres NO sub, all stock stereo. BUT!! the radio does stay on when i turn the car off and take the key out (until i open the door) Im starting to read that this matter (please clarify for me) Ill list out what I have and the problems Im facing' SORRY FOR THE SIZE OF THE PICS!! COULDNT REDUCE!

      I have:
      Pioneer Head Unit (single deck/din)

      mount kit similar to this
      [​IMG]

      Aftermarket Stero Harness (plugs into stock stero haress) bought off Amazon
      [​IMG]

      Wiring Color Codes that came with Aftermarket Harness above^:
      [​IMG]

      Main Stereo Harness (stock) Fits into aftermarket harness perfectly :
      [​IMG]
      [​IMG]

      Secondary Mystery Plug! (has 2 wires, also plugs into stock radio, but i have no clue what to do with these wires, here lies my problem!
      [​IMG]
      [​IMG]
      [​IMG]

      Sooooo, Id like to know what I do with that secondary plug, the yellow & Gray w/blk wires. If i have to splice, where and to what (which specific wire/s) Id have to go in. Please help!! Im stuck and I dont want to make a bad choice and ruin my system.

      MANY THANKS!!!
       
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    3. Justawajz

      Justawajz Active Member

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      Don't need that 2nd plug. Yellow I think is a mute wire possibly. And the other one is a vehicle speed sense wire. Some factory radios had a feature that would allow them to get louder as vehicle speed increases. Shouldn't need either one.




       
    4. roush9799

      roush9799 Active Member

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      That's right, you don't,t use that plug.
       
    5. FordFool2

      FordFool2 Active Member

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      On the concern of:

      "BUT!! the radio does stay on when i turn the car off and take the key out (until i open the door) Im starting to read that this matter (please clarify for me)"

      Your vehicle has accessory delay and will keep the stereo on for a prescribed amount of delay time. The delay is terminated once a door opens up. That is normal and expected.
       
    6. mitchness

      mitchness New Member

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      2004 Explorer XLS
      Hi. I am currently doing the same thing by installing a performance audio, and soon to be video system in my 04. Here are the wires, and yes they are correct as this list has them.

      2004 Ford Explorer Car Stereo Wiring Diagram

      Car Radio Battery Constant 12v+ Wire: Light Green
      Car Radio Accessory Switched 12v+ Wire: Yellow/Black
      Car Radio Ground Wire: Black
      Car Radio Illumination Wire: Light Blue/Red
      Car Stereo Dimmer Wire: N/A
      Car Stereo Antenna Trigger Wire: N/A
      Car Stereo Amp Trigger Wire: N/A
      Car Stereo Amplifier Location: If equipped, the factory amplifier is located behind the trim panel on the right side of the cargo area.
      Car Audio Front Speakers Size: 5"x7"
      Car Audio Front Speakers Location: Door
      Left Front Speaker Positive Wire (+): Orange/Light Green
      Left Front Speaker Negative Wire (-): Light Blue/White
      Right Front Speaker Positive Wire (+): Dark Green/Orange
      Right Front Speaker Negative Wire (-): White/Light Green
      Car Audio Rear Speakers Size: 5"x7"
      Car Audio Rear Speakers Location: Door
      Left Rear Speaker Positive Wire (+): Gray/Light Blue
      Left Rear Speaker Negative Wire (-): Tan/Yellow
      Right Rear Speaker Positive Wire (+): Orange/Red
      Right Rear Speaker Negative Wire (-): Brown/Pink

      This information comes from:
      http://www.modifiedlife.com/2004-ford-explorer-car-stereo-wiring-diagram/

      I hope I helped!

      Now to post my dome light question.
       
    7. 02XLT90

      02XLT90 New Member

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      Thank you all! I went ahead and installed it color on color with the aftermarket harness. You all were right the second plug was no necessary. The kit I got from walmart did not fit too well tho. Wasnt too happy about that.
       
    8. 02XLT90

      02XLT90 New Member

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      The stereo works fine and I'm actually impressed with the stock sound system, But when I drive it tends to come out but not fall out (not flush with the bezel anymore). I even screwed the support bracket on the unit and slide it on the metal peice inside where the stereo goes. Any suggestions ?? This is a pic of it

      [​IMG]
       
    9. College Student

      College Student Well-Known Member

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      Did you happen to get the dimming feature to work. I still don't understand how to wire mine and it must be incorrect because it works incorrectly.
       

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