Radio codes holden

SOURCE: wire colour coding for radio Holden Nova LF

Car Radio Constant 12v+ Wire: Blue/Yellow
Car Radio Switched 12v+ Wire: Gray
Car Radio Ground Wire: Brown
Car Radio Illumination Wire: Green
Car Stereo Dimmer Wire: N/A
Car Stereo Antenna Trigger: N/A
Car Stereo Amp Trigger Wire: N/A
Car Stereo Amplifier Location: N/A
Car Audio Front Speakers Size: N/A
Car Audio Front Speakers Location: N/A
Left Front Speaker Positive Wire (+): Pink
Left Front Speaker Negative Wire (-): Violet
Right Front Speaker Positive Wire (+): Light Green
Right Front Speaker Negative Wire (-): Blue
Car Audio Rear Speakers Size: N/A
Car Audio Rear Speakers Location: N/A
Left Rear Speaker Positive Wire (+): Black
Left Rear Speaker Negative Wire (-): Yellow
Right Rear Speaker Positive Wire (+): Red
Right Rear Speaker Negative Wire (-): White

SOURCE: Replaced battery. Need code to reset radio. '99

You can usually find the code on the bottom side of the ash tray, if your car has one. Or you can may have to pull the radio. It should be stamped on it somewhere.

SOURCE: Hi,i have a holden astra 2001.My radio is locked on 6 safe.Took it to a holden dealer where they told me to take it home and disconnect the battery for 6 hours.I disconnected the battery for overnight

Connect the battery and then enter the unlock code.

SOURCE: need the actual code to reset my radio for a 2002 holden astra, i dont own a workshop manual

Tip....the code is sometimes put on the bottom of the ashtray just remove it and flip it over should be 4 digits