Subwoofer amp cable installation for Infiniti Q50

Here's a guide hookup trunks subwoofer amplifier and run all the wires in the Infiniti Q50. This guide should work for all Q50 on the marker, regardless on year made. Had it tested on 2018, and again on new 2021 version.
This video should help you with:
1. How to feed your power wire from the battery under the hood, though firewall and all the way into the trunk where it can be connected to your amp.
2. How to get input sound feeds for the amp from your existing speakers located in the rear doors.
3. How to connect remote power feed wire from your fuse box to power up the amp when the car starts.
4. How to connect your bass controlling knob for easy fine tuning from the front drivers seat.
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