Final details done and the project is now ready!

 Here are some pictures of how it turned out.

Lighting

Installed led strip kit with remote control on the underside of the sofa for "mood" lighting. Possible to change color and different "programs"and turn on/off remotely. Attached with tape! 

   

As non of the lights on the car had any bulb holders or similar left the electectrics where built from scratch using universal components from local car parts store.

T10 sockets with LED "bulb" used for rear lights. Built a simple holder from sheetmetal for the rear light bezels no pictures of holders.

A trailer register plate light was stripped of its casing to be used for its original purpose. 

 I'm missing a 12 volt DC power supply for rear lights so tested the lights with adjustable DC power supply.

EDIT: Finally got the last parts in place when it comes to the electical installation.

Small junction box with incoming fuse and universal 12DC barrel power chord cable. Internally wires connected together with WAGO connectors witch is handy.