Question about 2002 GMC Sierra

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I need 2 know what size speakers go in the front doors, 2002 gmc.

2002 gmc sierra truck, front doors, i'm pretty sure there is 2 speakers in each housing , per door

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  • mark aqwa Dec 22, 2012

    I have 2 sierra trucks they each have 1 speaker 5.5 and 6.5 round.2002 2004

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I just did mine 5.5 round 1 speaker

Posted on Dec 21, 2012

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Those are 5 Inch Speakers and Tweeters I do Believe.

Posted on Jan 10, 2009

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1 Answer

Door speaker wiring diagram for 2002 sierra


2002 GMC Sierra C1500 Car Radio Wire Color Codes
Car Radio Battery Constant 12v+ Wire: Orange
Car Radio Accessory Switched 12v+ Wire: Yellow
Car Radio Ground Wire: Black/White
Car Radio Illumination Wire: Brown
Car Stereo Dimmer Wire: Gray
Car Stereo Amplifier Location: Under the center console.
Left Front Speaker Positive Wire (+): Tan
Left Front Speaker Negative Wire (-): Gray
Right Front Speaker Positive Wire (+): Light Green
Right Front Speaker Negative Wire (-): Dark Green
Car Audio Rear Speakers Size: N/A
Car Audio Rear Speakers Location: N/A
Left Rear Speaker Positive Wire (+): Brown
Left Rear Speaker Negative Wire (-): Yellow
Right Rear Speaker Positive Wire (+): Dark Blue
Right Rear Speaker Negative Wire (-): Light Blue

Dec 20, 2012 | 2002 GMC Sierra 1500

1 Answer

Please help me install a kenwood cd player in a 1995 GMC sierra truck the plug is cut off and i dont know the wires


Car Radio Battery Constant 12v+ Wire: Orange
Car Radio Accessory Switched 12v+ Wire: Yellow
Car Radio Ground Wire: Black
Car Radio Illumination Wire: Gray
Car Stereo Dimmer Wire: N/A
Car Stereo Antenna Trigger Wire: N/A
Car Stereo Amp Trigger Wire: N/A
Car Stereo Amplifier Location: N/A
Car Audio Front Speakers Size: N/A
Car Audio Front Speakers Location: N/A
Left Front Speaker Positive Wire (+): Tan
Left Front Speaker Negative Wire (-): Gray
Right Front Speaker Positive Wire (+): Light Green
Right Front Speaker Negative Wire (-): Dark Green
Car Audio Rear Speakers Size: N/A
Car Audio Rear Speakers Location: N/A
Left Rear Speaker Positive Wire (+): Brown
Left Rear Speaker Negative Wire (-): Yellow
Right Rear Speaker Positive Wire (+): Dark Blue
Right Rear Speaker Negative Wire (-): Light Blue

Nov 27, 2011 | 1995 GMC Sierra C1500

1 Answer

I have an 2002 yukon denali in i dont no what size speakers do i have all of them


  • HI, I can help.
  • Your front doors each have a 6 1/2" speaker.
  • Your front doors each have 5 1/4" speaker.

  • If you have any comments please feel free to leave them here.
  • ]Hope this helps and thank you for using FixYa.

Regards, Tony

Aug 22, 2011 | 2002 GMC Yukon Denali

1 Answer

Can I pull the grill off the speakers to put them


NO' YOU DONT NEED TO REMOVE THE ENTIRE DOOR PANEL, TO REPLACE SPEAKERS CONNECT WIRING CONNECTOR TO SPEAKER FIT SPEAKER BACK IN GRILLE AND REPLACE RETAINING SCREWS.

Oct 26, 2009 | 2002 GMC Sierra 1500

2 Answers

Factory radio wiring color codes


Here ya go. enjoy!
2002 GMC Sierra C1500 Car Radio Wire Color Codes
Car Radio Battery Constant 12v+ Wire: Orange
Car Radio Accessory Switched 12v+ Wire: Yellow
Car Radio Ground Wire: Black/White
Car Radio Illumination Wire: Brown
Car Stereo Dimmer Wire: Gray
Car Stereo Antenna Trigger Wire: N/A
Car Stereo Amp Trigger Wire: N/A
Car Stereo Amplifier Location: Under the center console.
Car Audio Front Speakers Size: N/A
Car Audio Front Speakers Location: N/A
Left Front Speaker Positive Wire (+): Tan
Left Front Speaker Negative Wire (-): Gray
Right Front Speaker Positive Wire (+): Light Green
Right Front Speaker Negative Wire (-): Dark Green
Car Audio Rear Speakers Size: N/A
Car Audio Rear Speakers Location: N/A
Left Rear Speaker Positive Wire (+): Brown
Left Rear Speaker Negative Wire (-): Yellow
Right Rear Speaker Positive Wire (+): Dark Blue
Right Rear Speaker Negative Wire (-): Light Blue

May 14, 2009 | 2002 GMC Sierra 1500

1 Answer

Stereo wiring diagram


1999 GMC Sierra Truck Radio Wiring Guide
Car Radio Battery Constant 12v+ Wire: Orange
Car Radio Accessory Switched 12v+ Wire: Yellow
Car Radio Ground Wire: Black/White
Car Radio Illumination Wire: Brown
Car Stereo Dimmer Wire: Gray
Car Stereo Antenna Trigger Wire: N/A
Car Stereo Amp Trigger Wire: N/A
Car Stereo Amplifier Location: N/A
Car Audio Front Speakers Size: N/A
Car Audio Front Speakers Location: N/A
Left Front Speaker Positive Wire (+): Tan
Left Front Speaker Negative Wire (-): Gray
Right Front Speaker Positive Wire (+): Light Green
Right Front Speaker Negative Wire (-): Dark Green
Car Audio Rear Speakers Size: N/A
Car Audio Rear Speakers Location: N/A
Left Rear Speaker Positive Wire (+): Brown
Left Rear Speaker Negative Wire (-): Yellow
Right Rear Speaker Positive Wire (+): Dark Blue
Right Rear Speaker Negative Wire (-): Light Blue
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Apr 15, 2009 | 1999 GMC Sierra

1 Answer

I need the color codes for a 1988 GMC Sierra stereo.


Car Radio Battery Constant 12v+ Wire: Orange
Car Radio Accessory Switched 12v+ Wire: Yellow
Car Radio Ground Wire: Black
Car Radio Illumination Wire: Gray
Car Stereo Dimmer Wire: Brown
Car Stereo Antenna Trigger Wire: N/A
Car Stereo Amp Trigger Wire: N/A
Car Stereo Amplifier Location: N/A
Car Audio Front Speakers Size: 4′ x 6′
Car Audio Front Speakers Location: Dash
Left Front Speaker Positive Wire (+): Tan
Left Front Speaker Negative Wire (-): Gray
Right Front Speaker Positive Wire (+): Light Green
Right Front Speaker Negative Wire (-): Dark Green
Car Audio Rear Speakers Size: 5 1/4′
Car Audio Rear Speakers Location: Rear Doors
Left Rear Speaker Positive Wire (+): Brown
Left Rear Speaker Negative Wire (-): Yellow
Right Rear Speaker Positive Wire (+): Dark Blue
Right Rear Speaker Negative Wire (-): Light Blue

Mar 03, 2009 | 1998 GMC Sierra

1 Answer

I need 2 know what size speakers go in the front doors of a 2002 gmc sierra...i think there are 2 speakers in each housing....


6 1/2" main driver and a 3/4" tweeter. You can fit a 1" in the tweeter spot with very minimal effort. John...

Jan 10, 2009 | 2002 GMC Sierra

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