2001 GMC Sierra Radio Wiring

Here is the wiring colors for 2001 GMC Sierra / Chevy Silverado trucks.

Battery-ORANGE(+)RADIO HARNESS

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