There are 2 electric cable anchors, one on each side, with the electrical cable nearby. Get the generator trailer started first, once it's running hook it up to the connection points.

oh and last thing how do ya make use of the gen as you dont got any singulre located conection point for it (not that it matters i can just use some other vechical for using it.

ya oh and hazard dont work, but that is a minor thing to me

Ah I see what you mean now.
The light buttons on the dashboard as well as turn signal buttons aren't functional, since I moved some stuff around, lights can be activated by using the numerical hotkeys from the seat (1-9)

hm, odd than i have little in any form of idea on why it did not work with me as the cabin has 2 buttons that did nothing, im gonna try once more as i do plan on making use of it at some point, im gonna chock it to some game issue.

Just checked it in 1.3.7, works just fine.
The raise/lower ramp button is a toggle, so the ramp is either raised or lowered.
With the raised ramp move the hook backwards, when it's all the way back then lower the hooks.
Make sure you enable the bottom connectors on the container, since they're off by default now. Slowly reverse into the container, the hook should snap right on it.
Then raise the hook, move it forward and lower the ramp.

The keybinds from the seat for high beams, regular lights and cockpit lights also seem to work.

than you may wish to check the build as i have found the button i suspect is for that and for the high beams do not work.its likly got broken somehow.

The control panel for the ramp/hooking mechanism is to the righthand side when in the drivers seat

ok i see you can rise the bed for easyer collection but how does one do that?

Changed the hook lift/lower button to switches, worlds better. But really like this truck, super useful!

It's electric.
Flip the breaker in the middle of the cockpit, enter the seat and push the canopy button to your left on the folded down dashboard. Then for better battery economy activate the throttle limiter by pressing (2).

How do i start the engine and how do i drive it?