Place the .scs or .zip file into your ETS2 mod folder (found in Documents/Euro Truck Simulator 2/mod ).
Download the mod file (typically from sites like ShareMods).
The for Euro Truck Simulator 2 (ETS2) version 1.46 is a highly detailed trailer mod that allows players to haul specific liquid and fuel cargoes. Originally developed by Master_Yoda, the mod for version 1.46 features a fully converted 3D model using SCS Blender Tools and provides a clean game log with virtually no errors. Key Mod Features