Opel Astra G Radio Wiring - Diagram

Cut off the old radio’s plug and use crimp connectors. Match as follows:

The Opel Astra G (produced from 1998 to 2004, including the Classic models until 2009 in some markets) is one of the most common cars in Europe. If you are looking to replace the factory head unit, diagnose a speaker issue, or hardwire a new amplifier, understanding the ISO 10487 standard wiring is essential. opel astra g radio wiring diagram

| Car Wire (Astra G) | Function | Aftermarket Radio Wire | | :--- | :--- | :--- | | Brown (A7) | Ground | Black | | Red/Black (A8) | Permanent 12V | Yellow | | Red/White (A4) | Switched 12V | Red | | Grey/Red (A6) | Illumination | Orange/White | | Blue (A5) | Antenna Remote | Blue or Blue/White | | All speaker pairs | Speakers | White, Grey, Green, Violet pairs | Looking at the BACK of the car’s radio connectors (wires exiting away from you): BROWN CONNECTOR (Power) BLACK CONNECTOR (Speakers) ┌─────────────┐ ┌─────────────┐ │ 8 7 6 5 │ │ 8 7 6 5 │ │ 4 3 2 1 │ │ 4 3 2 1 │ └─────────────┘ └─────────────┘ Cut off the old radio’s plug and use crimp connectors