This manual was originaly posted by the Steamuser Frankkieke in the comments 4th June 2024. This post was made to keep this tutorial up to the top.

!!! THIS TUTORIAL WORKS !!!
I have tested it on my own and it is very simple! Done all 3 files in less than 5 minutes without having done anything like this before.

Before you start you will need the SII-Decrypt-Tool:
https://forum.scssoft.com/viewtopic.php?t=319481

Just download, place in the folder with the SII-File you want to edit and drag the SII-file onto the Decrypt-Tool. After that you can open the SII-file with a texteditor like notepad++.


Now just follow the steps below to modify the mod "Advanced Customization":

1.) Navigate to:
Steam\steamapps\workshop\content\227300

2.) Find the folder with the following name:
2528348949

3.) Change the file named "version.sii" to (with sii_decrypt - notepad++) :


4.) Change rar/zip file name to:

"universal"

5.) Copy this rar/zip file to:
documents/euro truck simulator2/mods

6.) Activate in ingame mod manager.


7.) To adjust the mod-add-ons "RenaultT" and "DAF" just do the same as above! You will find the mod folders inside the folder named "227300" (directory Steam\steamapps\workshop\content\227300).

!Attention!
Change the names in SII-file and the rar/zip-file for the add-ons a little different to the main-mod-files. Instead off "unversal" use:
- "universala" (for Renault Add-On)
- "universalb" (for DAF Add-On)


If you use the Mod(-Add-Ons) "Advanced Trailer Costumization ..." you can move on the same way and use names as "universalc" and so on.


You can now use the mods again.

Folder names/numbers:
2528348949 - main truck mod
2812630342 - add-on renault dlc
2857528670 - add-on daf dlc