Mine's an auto. I don't recall what was there when I started. I'll take a picture and attach.
I started from the engine bay and shoved it all in from there.
LHD
I ran a 00 gauge positive AND negative through the grommet below the steering wheel to install an Anderson connector on the interior for a 5K watt pure sine wave inverter.
Yes they will fit.
They may NOT fit in the channel that runs from front to back. For ones that size and all the way to...