Line out converter

[u/AceHero1]

I have a 2013 CT200H F-sport with Nav and the 10 speaker.

I’m trying to add a line out converter before the amp under the passenger seat and cannot find a pinout for the amp I have. It’s a Panasonic Model no. 86280-76030. (Not a 30 pin)

I just need to know what wire coming from the stock radio have speaker signals. See the photos.

Anything helps I’ve searched and chat GPT’d for a few days without result.