Technical Information & Resources for Car Radios
Here are great vintage car radio catalogs, electrical schematics, pinouts, and other useful information
A massive thanks to them for existing. We use these websites ourselves every single day to find information about some radios. I do know that they are a bit messy and not in English, but hey - they are here!
Here are catalogues for aftermarket radio brands:
https://antique-autoradio-madness.org/page-liens/autoradios-eur.htm
And here are catalogues for original radios by car brands
https://antique-autoradio-madness.org/1autos/liens_autosdef.htm
This one is also very helpful for finding models using a search engine
Pinouts
The best two websites for car radio Pinouts by makers, thanks to them for keeping all this information.
https://connector.pinoutguide.com/
and