When driver door handle is unlocl also the trunk compartment open at the same time

I accidentally flipped the terminas when jump starting my vehicle. The main fuse blew up and I replaced it. But the steering wheel buttons do not light up, they're working but not lighting up even when i switch on the headlights manually (not uing auto), this also applies to the (traction/hazards/trunk) button. Every single button in the car works and lights up, but these buttons work with no back light.
I tested the fuse box, some fuses were blown and got replaced, and i did test the fuses after replacement to check if something blew up again due to a short circuit, but its all okay.

I want to put auxiliary power into the trunk of my Mach 1 V8. When they say fuse not used does this indicate there is no power there or just not used?
If there is power at these fuses it would be ideal to send a wire to the boot/ trunk. Please advise?
Thanks Peter

Not sure if it`s the relay like the 2014 that`s located ion the trunk