The following are common wire color schemes for car audio systems, speakers, cd players, subs and subwoofers, decks, component systems and more.

As always, check you vehicle's manual for specific color codes.

Red (+) 12V Power. Turns on when ignition/accessory is on.
Yellow (+) 12V Constant. Remains on at all times (keeps clock memory, etc.)
Black (-) Ground
Blue (+) Power Antenna. Raises power antennas or turns on remote accessories (amplifiers, etc.).
Blue/White Remote Amplifier. Turns on remote accessories (amplifiers, etc.). If there is no Remote Amplifier wire, you can often use the Power Antenna wire.
Orange (+) 12V Illumination.
Orange/White Dimmer
White (+) Left Front Speaker Speaker
White/Black (-) Left Front Speaker Speaker
Gray (+) Right Front Speaker Speaker
Gray/Black (-) Right Front Speaker Speaker
Green (+) Left Rear Speaker Speaker
Green/Black (-) Left Rear Speaker Speaker
Purple (+) Right Rear Speaker Speaker
Purple/Black (-) Right Rear Speaker Speaker

The following is common wiring colors for the vehicle makes below. Again, check you vehicle's manual for specific color codes.

Acura Speaker Wire Colors, BMW Speaker Wire Colors, Chevrolet Speaker Wire Colors, Chrysler Speaker Wire Colors, Dodge Speaker Wire Colors, Ford Speaker Wire Colors, General Motors Speaker Wire Colors, Honda Speaker Wire Colors, Isuzu Speaker Wire Colors, Jeep Speaker Wire Colors, Mazda Speaker Wire Colors, Mercedes-Benz Speaker Wire Colors, Mitsubishi Speaker Wire Colors, Nissan Speaker Wire Colors, Saab Speaker Wire Colors, Subaru SpeakerWire Colors, Toyota Speaker Wire Colors, Volkswagen Speaker Wire Colors, Volvo Speaker Wire Colors

ACURA SPEAKER WIRE COLORS

Memory (+12v Constant) Blue/White
Ignition (+12v Switched) Yellow/Red
Ground (-) Black
Illumination Red/Black
Dimmer (none)
Power Antenna Yellow/White
Left Front Speaker (+) Blue/Green
Left Front Speaker (-) Gray/Black
Right Front Speaker (+) Red/Green
Right Front Speaker (-) Brown/Black
Left Rear Speaker (+) Blue/Yellow
Left Rear Speaker (-) Gray/White
Right Rear Speaker (+) Red/Yellow
Right Rear Speaker (-) Brown/White
(to the top)

BMW SPEAKER WIRE COLORS

Memory (+12v Constant) Gray/Red
Ignition (+12v Switched) Purple
Ground (-) Brown
Illumination White/Blue
Dimmer (none)
Power Antenna White
Left Front Speaker (+) Gray/Red
Left Front Speaker (-) Gray/Purple
Right Front Speaker (+) Gray/White
Right Front Speaker (-) Gray/Brown
Left Rear Speaker (+) Black/Red
Left Rear Speaker (-) Black/Purple
Right Rear Speaker (+) Black/White
Right Rear Speaker (-) Black/Brown
(to the top)

CHEVROLET SPEAKER WIRE COLORS

Memory (+12v Constant) Orange
Ignition (+12v Switched) Yellow
Ground (-) Black
Illumination Gray
Dimmer Brown
Power Antenna Pink
Left Front Speaker (+) Tan
Left Front Speaker (-) Gray
Right Front Speaker (+) Light Green
Right Front Speaker (-) Dark Green
Left Rear Speaker (+) Brown
Left Rear Speaker (-) Yellow
Right Rear Speaker (+) Dark Blue
Right Rear Speaker (-) Light Blue
(to the top)

CHRYSLER SPEAKER WIRE COLORS

DODGE SPEAKER WIRE COLORS

FORD SPEAKER WIRE COLORS

Memory (+12v Constant) GreenYellow
Ignition (+12v Switched) Yellow/Black
Ground (-) Black or Thick Red
Illumination Orange
Dimmer Orange/White
Power Antenna Blue (varies greatly)
Left Front Speaker (+) Orange/Green
Left Front Speaker (-) Light Blue
Right Front Speaker (+) White/Green
Right Front Speaker (-) Green/Orange
Left Rear Speaker (+) Pink/green
Left Rear Speaker (-) Pink/Blue
Right Rear Speaker (+) Pink/Blue
Right Rear Speaker (-) Green/Orange
(to the top)

GENERAL MOTORS SPEAKER WIRE COLORS

Memory (+12v Constant) Orange
Ignition (+12v Switched) Yellow
Ground (-) Black
Illumination Gray
Dimmer Brown
Power Antenna Pink
Left Front Speaker (+) Tan
Left Front Speaker (-) Gray
Right Front Speaker (+) Light Green
Right Front Speaker (-) Dark Green
Left Rear Speaker (+) Brown
Left Rear Speaker (-) Yellow
Right Rear Speaker (+) Dark Blue
Right Rear Speaker (-) Light Blue
(to the top)

HONDA SPEAKER WIRE COLORS

ISUZU SPEAKER WIRE COLORS

Memory (+12v Constant) Red/White
Ignition (+12v Switched) Orange
Ground (-) Black/Yellow
Illumination Green/Red
Dimmer Red/Green
Power Antenna (none)
Right Front Speaker (+) Gray
Right Front Speaker (-) Gray/Green
Left Front Speaker (+) Yellow
Left Front Speaker (-) Blue/Yellow
Left Rear Speaker (+) Orange
Left Rear Speaker (-) Black/Orange
Right Rear Speaker (+) White
Right Rear Speaker (-) Red/White
(to the top)

JEEP SPEAKER WIRE COLORS

Memory (+12v Constant) Pink
Ignition (+12v Switched) Purple/White
Ground (-) Black
Illumination Orange
Dimmer Blue/White
Power Antenna
Left Front Speaker (+) Green
Left Front Speaker (-) Black/Yellow
Right Front Speaker (+) White
Right Front Speaker (-) Black
Left Rear Speaker (+) Green/White
Left Rear Speaker (-) Brown/White
Right Rear Speaker (+) White/Black
Right Rear Speaker (-) Brown
(to the top)

MAZDA SPEAKER WIRE COLORS

Memory (+12v Constant) Blue/Red
Ignition (+12v Switched) Blue/White
Ground (-) Black
Illumination Red/Black
Dimmer (none)
Power Antenna Blue (If yours has a negative (-) trigger then you will need relay)
Left Front Speaker (+) Blue
Left Front Speaker (-) Blue/White
Right Front Speaker (+) Blue/Red
Right Front Speaker (-) Blue/Orange
Left Rear Speaker (+) Blue/White
Left Rear Speaker (-) Blue/Green
Right Rear Speaker (+) Blue/Orange
Right Rear Speaker (-) Blue/Black
(to the top)

MERCEDES-BENZ SPEAKER WIRE COLORS

MITSUBISHI SPEAKER WIRE COLORS

Memory (+12v Constant) Red/White or White/Green
Ignition (+12v Switched) Blue/White
Most don't have one Black
Illumination Green/White
Dimmer Black/White orBlack/Yellow
Power Antenna White/Black
Left Front Speaker (+) White/Blue
Left Front Speaker (-) Black/Blue
Right Front Speaker (+) White/Red
Right Front Speaker (-) Black/Red
Left Rear Speaker (+) Yellow/Red
Left Rear Speaker (-) Gray/Blue
Right Rear Speaker (+) Yellow/Red
Right Rear Speaker (-) Gray/Red
(to the top)

NISSAN SPEAKER WIRE COLORS

Memory (+12v Constant) Red
Ignition (+12v Switched) (varies) Brown or Green
Ground (-) Black (many do not have one)
Illumination Red/White
Dimmer Red/Black
Power Antenna Green
Left Front Speaker (+) Black
Left Front Speaker (-) Black/White
Right Front Speaker (+) Brown
Right Front Speaker (-) Brown/White
Left Rear Speaker (+) Red
Left Rear Speaker (-) Green
Right Rear Speaker (+) Blue
Right Rear Speaker (-) Pink
(to the top)

SAAB SPEAKER WIRE COLORS

Memory (+12v Constant) Gray
Ignition (+12v Switched) Red
Ground (-) Black
Illumination Brown/White
Dimmer (none)
Power Antenna Green
Left Front Speaker (+) Brown
Left Front Speaker (-) Green
Right Front Speaker (+) Red
Right Front Speaker (-) Blue
Left Rear Speaker (+) White/Brown
Left Rear Speaker (-) White/Green
Right Rear Speaker (+) White/Red
Right Rear Speaker (-) White/Blue
(to the top)

SUBARU SPEAKER WIRE COLORS

Memory (+12v Constant) Red/Green
Ignition (+12v Switched) Blue/Yellow
Ground (-) Black
Illumination
Dimmer
Power Antenna Red/White
Left Front Speaker (+) Yellow
Left Front Speaker (-) Blue/Red
Right Front Speaker (+) White
Right Front Speaker (-) Blue/Black
Left Rear Speaker (+) Yellow/White
Left Rear Speaker (-) Blue/Red
Right Rear Speaker (+) White/Blue
Right Rear Speaker (-) Blue/Black
(to the top)

TOYOTA SPEAKER WIRE COLORS

Memory (+12v Constant) Blue/Yellow
Ignition (+12v Switched) Gray
Ground (-) Brown
Illumination Green
Dimmer White/Green
Power Antenna Black/Red
Left Front Speaker (+) Pink
Left Front Speaker (-) Purple
Right Front Speaker (+) LightGreen
Right Front Speaker (-) Blue
Left Rear Speaker (+) Black
Left Rear Speaker (-) Yellow
Right Rear Speaker (+) Red
Right Rear Speaker (-) White
(to the top)

VOLKSWAGEN SPEAKER WIRE COLORS

VOLVO SPEAKER WIRE COLORS

Memory (+12v Constant) Green
Ignition (+12v Switched) Black
Ground (-) Thick Black
Illumination Yellow (not the plug)
Dimmer (none)
Power Antenna Red
Left Front Speaker (+) Blue/Yellow
Left Front Speaker (-) White
Right Front Speaker (+) Gray/White
Right Front Speaker (-) Gray
Left Rear Speaker (+) Yellow/Brown
Left Rear Speaker (-) Yellow/Green
Right Rear Speaker (+) Green/Brown
Right Rear Speaker (-)Green
(to the top)