Car Audio - Wire Color Codes

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 powe

 

VOLKSWAGEN 

P o w e r
Memory (+12v Constant) Red
Ignition (+12v Switched) Black (not available in older models)
Ground (-) Brown
Illumination Gray or Gray/Blue
Dimmer (none)
Power Antenna White
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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