Cars & Trucks Logo
Posted on May 14, 2009
Answered by a Fixya Expert

Trustworthy Expert Solutions

At Fixya.com, our trusted experts are meticulously vetted and possess extensive experience in their respective fields. Backed by a community of knowledgeable professionals, our platform ensures that the solutions provided are thoroughly researched and validated.

View Our Top Experts

Factory radio wiring color codes

What is the factory radio speaker color codes for a 2002 gmc sierra

2 Answers

Marvin

Level 3:

An expert who has achieved level 3 by getting 1000 points

Top Expert:

An expert who has finished #1 on the weekly Top 10 Fixya Experts Leaderboard.

Superstar:

An expert that got 20 achievements.

All-Star:

An expert that got 10 achievements.

  • GMC Master 85,242 Answers
  • Posted on May 14, 2009
Marvin
GMC Master
Level 3:

An expert who has achieved level 3 by getting 1000 points

Top Expert:

An expert who has finished #1 on the weekly Top 10 Fixya Experts Leaderboard.

Superstar:

An expert that got 20 achievements.

All-Star:

An expert that got 10 achievements.

Joined: Jun 20, 2008
Answers
85242
Questions
28
Helped
28989928
Points
266281

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

  • 2 more comments 
  • Eunice Encinas-Negrette

    Does anyone know why there are 4 purple wires on my radio wire harness? 2 are speakers wires but what are the other two for?

  • Eunice Encinas-Negrette

    Oh and its for a 03 gmc sierra 2500 hd

  • Marvin
    Marvin Aug 30, 2018

    You have what I looked up. I have no idea what the purple wires are, call this place www.crutchfield.com they may be able to help.

  • Troy Gilkerson
    Troy Gilkerson Jul 29, 2021

    Does this work on 99 Gmc sierra 1500. .i got no harness just cut wires cant figure out colors they dont match stareo colors ??

×

Steve wilson

Level 1:

An expert who has achieved level 1.

New Friend:

An expert that has 1 follower.

  • Contributor 1 Answer
  • Posted on Aug 08, 2015
Steve wilson
Contributor
Level 1:

An expert who has achieved level 1.

New Friend:

An expert that has 1 follower.

Joined: Aug 08, 2015
Answers
1
Questions
2
Helped
15574
Points
1

2005 gmc sierra 1500 factory radio diagram

Ad

Add Your Answer

×

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

0helpful
1answer

Radio wiring diagram for 2001 gmc Sierra?

https://images.app.goo.gl/sb5LmtVEwsMceubWA
0helpful
1answer

I am trying to replace factory door speakers on a 2012 GMC Sierra crew cab I'm trying to find out the wiring diagram

Here is the door speaker wiring colors.
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
0helpful
2answers

2012 silverado speaker wire colors

These are the radio wiring colors on a GMC Silverado:
Car Radio illumination wire: Brown
Radio ground wire: White/Black
Stereo Amp trigger wire: Pink
Stereo dimmer wire: Gray
Left front speaker + wire: Tan
Left front speaker - wire: Gray
Right front speaker - wire: Dark green
Right front speaker + wire: Light green
Left rear speaker - wire: Yellow
Left rear speaker + wire: Brown
Right rear speaker - wire: Light blue
Right rear speaker + wire: Dark blue
0helpful
1answer

What are the radio wiring colors for 2003 GMC Sierra

These are the radio wiring colors on the 2003 GMC Sierra:
• Car Radio illumination wire: Brown
• Radio ground wire: White/Black
• Stereo Amp trigger wire: Pink
• Stereo dimmer wire: Gray
• Left front speaker + wire: Tan
• Left front speaer - wire: Gray
• Right front speaker - wire: Dark green
• Right front speaker + wire: Light green
• Left rear speaker - wire: Yellow
• Left rear speaker + wire: Brown
• Right rear speaker - wire: Light blue
• Right rear speaker + wire: Dark blue
1helpful
1answer

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
2helpful
2answers

What's the radeo color code for 2002 GMC sonoma

have to get code from dealer for security purposes he gonna ask you the radio serial numbers or the vin number
1helpful
1answer

Wire harness to switch from stock stereo to cd player will not fit the wires that are supposed to? so what wires are the speaker wires

Not sure I understand your question. Did you buy a harness adapter for GMC, or are you trying to just cut the connector off the factory radio and solder it to your CD player? If the latter, below is the color code for your factory wiring.

1994 GMC Sierra C1500 Car Radio Wiring Schematic
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
2helpful
2answers

Installing an aftermarket stereo, spliced the wires and have everything connected including the remote wire to the factory amp wire but still no sound.

There is no remote wire on these newer trucks....03 and up....u have to buy the harness....although i didnt....i have an 03 gmc sierra and just pulled the schematic and matched the wires. And there is no programming to do on an aftermarket stereo.....I work for GMC and we cant program aftermarket stereos......if u buy the right harness ...and its over $100 then everything should work just fine.....and this does not disarm ur alarm system either....mine still works fine....hope this helps
6helpful
1answer

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
Not finding what you are looking for?

15,584 views

Ask a Question

Usually answered in minutes!

Top GMC Experts

ZJ Limited
ZJ Limited

Level 3 Expert

17989 Answers

Ronny Bennett Sr.
Ronny Bennett Sr.

Level 3 Expert

6988 Answers

john h

Level 3 Expert

29490 Answers

Are you a GMC Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...