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Car Electrical Wire Codes

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Wire colors in your car might be different than colors described here. Use the given colors for reference purposes only. Always test wires to make sure they are correct. We are not responsible for any misprints.

To check hot, ignition, lights, dimmer, use a test light or voltmeter. To check speakers use test radio.
To check speaker polarity (assuming you don’t have a polarity tester): Touch (for a very short period of time) one wire to the positive side of a 1.5-volt battery (any size), and the other wire to the negative side. If speaker “pops out”, then polarity is correct. If speaker “pops in” then polarity is reversed. Make sure that the wires you are going to check for speakers do not have any power.

BMW
P o w e r
Memory (+12v Constant)Gray/Red
Ignition (+12v Switched)Violet
Ground (-)Brown
IlluminationWhite/Blue
Dimmer(none)
Power AntennaWhite
S p e a k e r s
Right Front (+)Gray/White
Right Front (-)Gray/Brown
Left Front (+)Gray/Red
Left Front (-)Gray/Violet
Right Rear (+)Black/White
Right Rear (-)Black/Brown
Left Rear (+)Black/Red
Left Rear (-)Black/Violet
DODGE/CHRYSLER
P o w e r
Memory (+12v Constant)Red/White
Ignition (+12v Switched)Red
Ground (-)Black or Braided Silver Wire
IlluminationOrange
Dimmer(none)
Power AntennaYellow
S p e a k e r s
Right Front (+)Violet
Right Front (-)Blue/Red
Left Front (+)Green
Left Front (-)Brown/Red
Right Rear (+)Blue/White
Right Rear (-)Blue/Red
Left Rear (+)Brown/Yellow
Left Rear (-)Brown/Red
FORD
P o w e r
Memory (+12v Constant)Green Yellow
Ignition (+12v Switched)Yellow/Black
Ground (-)Black or Fat Red
IlluminationOrange
DimmerOrange/White
Power AntennaBlue (varies greatly)
S p e a k e r s
Right Front (+)White/Green
Right Front (-)Green/Orange
Left Front (+)Orange/Green
Left Front (-)Light Blue
Right Rear (+)Pink/Blue
Right Rear (-)Green/orange
Left Rear (+)Pink/green
Left Rear (-)Pink/Blue
GENERAL MOTORS
P o w e r
Memory (+12v Constant)Orange
Ignition (+12v Switched)Yellow
Ground (-)Black
IlluminationGray
DimmerBrown
Power AntennaPink
S p e a k e r s
Right Front (+)Light Green
Right Front (-)Dark Green
Left Front (+)Tan
Left Front (-)Gray
Right Rear (+)Dark Blue
Right Rear (-)Light Blue
Left Rear (+)Brown
Left Rear (-)Yellow
HONDA/ACURA
P o w e r
Memory (+12v Constant)Blue/White
Ignition (+12v Switched)Yellow/Red
Ground (-)Black
IlluminationRed/Black
Dimmer(none)
Power AntennaYellow/White
S p e a k e r s
Right Front (+)Red/Green
Right Front (-)Brown/Black
Left Front (+)Blue/Green
Left Front (-)Gray/Black
Right Rear (+)Red/Yellow
Right Rear (-)Brown/White
Left Rear (+)Blue/Yellow
Left Rear (-)Gray/White
ISUZU
P o w e r
Memory (+12v Constant)Red/White
Ignition (+12v Switched)Orange
Ground (-)Black/Yellow
IlluminationGreen/Red
DimmerRed/Green
Power Antenna(none)
S p e a k e r s
Right Front (+)Gray
Right Front (-)Gray/Green
Left Front (+)Yellow
Left Front (-)Blue/Yellow
Right Rear (+)White
Right Rear (-)Red/White
Left Rear (+)Orange
Left Rear (-)Black/Orange
JEEP
P o w e r
Memory (+12v Constant)Pink
Ignition (+12v Switched)Violet/White
Ground (-)Black
IlluminationOrange
DimmerBlue/White
Power Antenna
S p e a k e r s
Right Front (+)White
Right Front (-)Black
Left Front (+)Green
Left Front (-)Black/Yellow
Right Rear (+)White/Black
Right Rear (-)Brown
Left Rear (+)Green/White
Left Rear (-)Brown/White
MAZDA
P o w e r
Memory (+12v Constant)Blue/Red
Ignition (+12v Switched)Blue/White
Ground (-)Black
IlluminationRed/Black
Dimmer(none)
Power AntennaBlue (some have a (-) trigger, need relay)
S p e a k e r s
Right Front (+)Blue/Red
Right Front (-)Blue/Orange
Left Front (+)Blue
Left Front (-)Blue/White
Right Rear (+)Blue/Orange
Right Rear (-)Blue/Black
Left Rear (+)Blue/White
Left Rear (-)Blue/Green
MERCEDES BENZ
P o w e r
Memory (+12v Constant)Red
Ignition (+12v Switched)Black/Yellow
Ground (-)Brown
IlluminationGray/Blue
Dimmer(none)
Power AntennaBlue
S p e a k e r s
Right Front (+)Black/Green
Right Front (-)Black
Left Front (+)Black/Red
Left Front (-)Black
Right Rear (+)Black/Green
Right Rear (-)Black
Left Rear (+)Black/Red
Left Rear (-)Black
MITSUBISHI
P o w e r
Memory (+12v Constant)Red/White or White/Green
Ignition (+12v Switched)Blue/White
Most don’t have oneBlack
IlluminationGreen/White
DimmerBlack/White or Black/Yellow
Power AntennaWhite/Black
S p e a k e r s
Right Front (+)White/Red
Right Front (-)Black/Red
Left Front (+)White/Blue
Left Front (-)Black/Blue
Right Rear (+)Yellow/Red
Right Rear (-)Gray/Red
Left Rear (+)Yellow/Red
Left Rear (-)Gray/Blue
NISSAN
P o w e r
Memory (+12v Constant)Red
Ignition (+12v Switched)(varies) Brown or Green
Ground (-)Black (varies – most don’t have one)
IlluminationRed/White
DimmerRed/Black
Power AntennaGreen
S p e a k e r s
Right Front (+)Brown
Right Front (-)Brown/White
Left Front (+)Black
Left Front (-)Black/White
Right Rear (+)Blue
Right Rear (-)Pink
Left Rear (+)Red
Left Rear (-)Green
SAAB
P o w e r
Memory (+12v Constant)Gray
Ignition (+12v Switched)Red
Ground (-)Black
IlluminationBrown/White
Dimmer(none)
Power AntennaGreen
S p e a k e r s
Right Front (+)Red
Right Front (-)Blue
Left Front (+)Brown
Left Front (-)Green
Right Rear (+)White/Red
Right Rear (-)White/Blue
Left Rear (+)White/Brown
Left Rear (-)White/Green
SUBARU
P o w e r
Memory (+12v Constant)Red/Green
Ignition (+12v Switched)Blue/Yellow
Ground (-)Black
Illumination
Dimmer
Power AntennaRed/White
S p e a k e r s
Right Front (+)White
Right Front (-)Blue/Black
Left Front (+)Yellow
Left Front (-)Blue/Red
Right Rear (+)White/Blue
Right Rear (-)Blue/Black
Left Rear (+)Yellow/White
Left Rear (-)Blue/Red
TOYOTA
P o w e r
Memory (+12v Constant)Blue/Yellow
Ignition (+12v Switched)Gray
Ground (-)Brown
IlluminationGreen
DimmerWhite/Green
Power AntennaBlack/Red
S p e a k e r s
Right Front (+)Light Green
Right Front (-)Blue
Left Front (+)Pink
Left Front (-)Violet
Right Rear (+)Red
Right Rear (-)White
Left Rear (+)Black
Left Rear (-)Yellow
VOLVO
P o w e r
Memory (+12v Constant)Green
Ignition (+12v Switched)Black
Ground (-)Fat Black
IlluminationYellow (not on plug)
Dimmer(none)
Power AntennaRed
S p e a k e r s
Right Front (+)Gray/White
Right Front (-)Gray
Left Front (+)Blue/Yellow
Left Front (-)White
Right Rear (+)Green/Brown
Right Rear (-)Green
Left Rear (+)Yellow/Brown
Left Rear (-)Yellow/Green
VOLKSWAGEN
P o w e r
Memory (+12v Constant)Red
Ignition (+12v Switched)Black (not available in older models)
Ground (-)Brown
IlluminationGray or Gray/Blue
Dimmer(none)
Power AntennaWhite
S p e a k e r s
Right Front (+)Red
Right Front (-)Brown/White
Left Front (+)Blue
Left Front (-)Brown/Blue
Right Rear (+)Red/Green
Right Rear (-)Brown/Black
Left Rear (+)Blue/Green
Left Rear (-)Brown/Red

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