2024 ranger XLT (no B&O audio) subwoofer install help needed

[crank_powered]

I need help installing a subwoofer and amp. Everything I have seen has been B&O system and I don’t have that. Also I dont

I am trying to wire everything in the cab because I can’t find a way to fish wires from the door into the cab.
Where can I find the front left (+-) and front right (+-) wire colors?
And where do I splice in the remote wire from the amp?

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[Sauce]

Search my posts. I have a very detailed description of my install including the +- speaker wire colors.