2003 Chevrolet Silverado Car Radio Wiring Diagram

Knowing your 2003 Chevrolet Silverado radio wire colors makes it easy to change your car stereo. Our 2003 Chevrolet Silverado radio wiring guide shows you how to connect car radio wires and helps you when your car radio wires not working. It also shows you the car radio wire to battery, which wire is positive, what is car radio illumination wire and more.

Application	Radio Wire Color
Car Radio Battery Wire (Constant Power 12v+)	Red/White
Car Radio Accessory Wire (Switched Power 12v+)	Run a wire to the fuse box or ignition switch harness for switched power.
Car Radio Ground Wire	Black
Use a Car Radio Wire Harness and Car Radio Dash Kit for an Easy Install!
Car Radio Illumination Wire	Yellow
Car Stereo Dimmer Wire	N/A
Car Radio Antenna Trigger Wire	White
Car Radio Amp Turn-On Trigger Wire	White
Car Radio Amp Mute Wire	N/A
Car Radio Amplifier Location	Under the rear of the center console.
Use an Amp Integration Harness to Connect Your Factory Amplifier to an aftermarket radio.

2003 Chevrolet Silverado Speaker Wiring Guide

Knowing your 2003 Chevrolet Silverado speaker wire colors makes it super easy to replace your car stereo. Our 2003 Chevrolet Silverado speaker wire guide shows you how to connect car speaker wires and helps you when your car speaker wire not working. It also shows you what car speaker wire to use, which car speaker wire is positive and more. Find your 2003 Chevrolet Silverado speaker wire below!

Application	Bulb Size
Front Center Speaker Positive Wire (+)	N/A
Front Center Speaker Negative Wire (-)	N/A
Upgrade your Center Speakers for awesome sound!
Left Front Tweeter Positive Wire (+)	N/A
Left Front Tweeter Negative Wire (-)	N/A
Right Front Tweeter Positive Wire (+)	N/A
Right Front Tweeter Negative Wire (-)	N/A
Upgrade your Tweeters for cleaner audio highs!
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
Use a Speaker Wire Harness for easy Speaker Installation!
Left Rear Tweeter Positive Wire (+)	N/A
Left Rear Tweeter Negative Wire (-)	N/A
Right Rear Tweeter Positive Wire (+)	N/A
Right Rear Tweeter Negative Wire (-)	N/A
Upgrade your Tweeters for cleaner audio highs!
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
Upgrade your Subwoofer for deeper lows!
Subwoofer Positive Wire (+)	Dark Blue/White
Subwoofer Negative Wire (-)	Light Green/Black
Subwoofer Positive Wire (+)	Dark Green
Subwoofer Negative Wire (-)	Light Blue/Black

2003 Chevrolet Silverado Speaker Size and Location

Knowing your 2003 Chevrolet Silverado speaker sizes makes it simple to install new car speakers. Our 2003 Chevrolet Silverado speaker size guide shows you the exact measurements and what speaker fits in your car. It also shows you where your 2003 Chevrolet Silverado speakers are located. Find your 2003 Chevrolet Silverado speaker size and speaker location below!

Application	Bulb Size
Front Center Speaker Size	N/A
Front Center Speaker Depth	N/A
Front Center Speaker Location	N/A
Upgrade your Center Speakers for awesome sound!
Front Tweeter Size	1″ Tweeters
Front Tweeter Depth	N/A
Front Tweeter Location	N/A
Upgrade your Tweeters for cleaner audio highs!
Front Speaker Size (2-Door)	6.5″ Speakers
Front Speaker Depth (2-Door, Extended Cab Bose)	4″ Depth
Front Speaker Depth (4-Door, Extended Cab)	5″ Depth
Front Speaker Location	Front Doors
Use a Speaker Wire Harness for easy Speaker Installation!
Rear Tweeter Size	N/A
Rear Tweeter Depth	N/A
Rear Tweeter Location	N/A
Use a Speaker Wire Harness for easy Speaker Installation!
Rear Speakers Size (2-Door)	4″ x 6″ Speakers
Rear Speakers Size (4-Door)	6.5″ Speakers
Rear Speaker Depth	5″ Depth
Rear Speaker Depth (Extended Cab Bose)	2.5″ Depth
Rear Speaker Location (2-Door, Extended Cab)	Rear Panels
Rear Speaker Location (4-Door)	Rear Doors
Upgrade your Subwoofer for deeper lows!
Car Subwoofer Speaker Size	N/A
Car Subwoofer Speaker Depth	N/A
Car Subwoofer Speaker Location	N/A

Feel free to use any 2003 Chevrolet Silverado radio wire diagram that is listed here but keep in mind that all information here is provided as is without any warranty of any kind. Use of this 2003 Chevrolet Silverado stereo wiring guide is at your own risk. Always verify all radio wire, stereo wire colors and wiring information before applying it to your 2003 Chevrolet Silverado.