GO TO MODS/UPDATE/X64/DLCPACKS Drag the "16stchargerad" folder into DLCPACKS

THEN

GO TO MODS/UPDATE/UPDATE.RPF/COMMON/DATA Then select DLCLIST.XML

ADD THE FOLLOWING LINE 

<Item>dlcpacks:/16stchargerad/</Item>

TO INSTALL THE ELS FILE GO TO Grand Theft Auto V\ELS\pack_default

AND DRAG AND DROP THE ELS FILES IN THE ELS FOLDER