Which car radio adapter?

Hello everyone,

I could use some help with installing a car radio.
It's a Volkswagen Polo 6N, first registered in June 1998. Built-in VW radio ALPHA.
I would like to install a car radio with ISO connectors.
The problem:
There are several adapters available to convert from VW to ISO.
Once, only pins 4 and 7 are swapped (approximately 3 EUR).
There's also something called a 'phantom power supply' for the antenna, which costs around 30 EUR.
Question:
What does that mean?
How do I figure out which one I need?

Thank you very much.
Best regards, Jürgen.

Hi,

You basically need both.
Phantom power is for the amplifier in the antenna.
You can discard the other adapter if you are able to/want to swap the two wires. If not, then you'll need the adapter as well.
Most of the time, at well-known stores like Promarkt and MediaMarkt, they sell a nice package where both components are already pre-wired together.

Best regards, Andy.

Sure, here's the translation:

'First of all, thank you!'

Swapping the two wires is not a problem.
Just one more question to clarify something:
Do VW car radios have this phantom power feature built-in, while ISO radios do not, is that correct?

Okay... but with my 6N, I didn't have the antenna amplifier cable connected. Try plugging it in; then the amplifier will become visible, and you can disconnect it from the antenna cable and simply plug it into the radio. "It usually had a connection, although not the best, but it worked. However, you can connect the adapter yourself if you're already replacing the cables; as far as I remember, it connects to the remote port."