Printer Friendly Forum Posts - 2001 GMC Sierra Radio Wiring

This information deserves credit where credit is due. Thank you to Velocity Motors for providing this info.

here is a better version of the previous info.

BATTERY(+) ORANGE RADIO HARNESS

ACCESSORY(+) YELLOW RADIO HARNESS

GROUND(-) BLACK RADIO HARNESS

ILLUMINATION(+) GRAY RADIO HARNESS

DIMMER(+) BROWN RADIO HARNESS

LF SPEAKER(+) TAN

LF SPEAKER(-) GRAY

RF SPEAKER(+) LIGHT GREEN

RF SPEAKER(-) DARK GREEN

LR SPEAKER(+) BROWN

LR SPEAKER(-) YELLOW

RR SPEAKER(+) DARK BLUE

RR SPEAKER(-) LIGHT BLUE

THANKS AGAIN TO VELOCITY MOTORSPORTS FOR PROVIDING THIS INFO

2001 GMC Sierra Radio Wiring Printed From: the12volt.com Forum Name: Car Audio Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc. URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=83981 Printed Date: November 28, 2025 at 7:39 AM Topic: 2001 GMC Sierra Radio Wiring Posted By: stangbanger242 Subject: 2001 GMC Sierra Radio Wiring Date Posted: October 10, 2006 at 11:30 PM Here is the wiring colors for 2001 GMC Sierra / Chevy Silverado trucks. Battery-		ORANGE		(+)		RADIO HARNESS
	Accesory - YELLOW		(+)		RADIO HARNESS
	Ground -		BLACK		(-) RADIO HARNESS
	Illumination -		GRAY		(+)		RADIO HARNESS
	Dimmer -		BROWN		(+)		RADIO HARNESS
	LF Speaker(+) -		TAN
	LF Speaker(-) -		GRAY
	RF Speaker(+) -		LIGHT GREEN
	RF Speaker(-) -		DARK GREEN
	\| LR Speaker(+) -		BROWN
	LR Speaker(-) -		YELLOW
	RR Speaker(+) -		DARK BLUE
	RR Speaker(-) -		LIGHT BLUE This information deserves credit where credit is due. Thank you to Velocity Motors for providing this info. Replies: Posted By: stangbanger242 Date Posted: October 10, 2006 at 11:44 PM here is a better version of the previous info. BATTERY(+) ORANGE RADIO HARNESS ACCESSORY(+) YELLOW RADIO HARNESS GROUND(-) BLACK RADIO HARNESS ILLUMINATION(+) GRAY RADIO HARNESS DIMMER(+) BROWN RADIO HARNESS LF SPEAKER(+) TAN LF SPEAKER(-) GRAY RF SPEAKER(+) LIGHT GREEN RF SPEAKER(-) DARK GREEN LR SPEAKER(+) BROWN LR SPEAKER(-) YELLOW RR SPEAKER(+) DARK BLUE RR SPEAKER(-) LIGHT BLUE THANKS AGAIN TO VELOCITY MOTORSPORTS FOR PROVIDING THIS INFO