I have placed the DLC 'Addon' vehicle pack in dlcpacks, I have added it to my dlclist. I have checked the simple trainer ini at addon vehicles, and regardless of it being enabled or not, it still does not load. I have re-downloaded both Simple Trainer and ScriptHookV and installed them with it not resolving the issue. I have tried looking at videos on installing the DLC vehicles with it not working, I have also tried looking up the issue and havent found a resolution yet.

The menu only shows 'Slot 1 Disabled'

Edited March 3Mar 3 by SyarKanta
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I think you may need to edit the simpletrainer .ini to include your addons, as they will have custom names

3 hours ago, Gan Ceann said:

I think you may need to edit the simpletrainer .ini to include your addons, as they will have custom names

Is there a special way to do so? The only thing I have found was editing each individual vehicle in the 2000 car list. I remember doing this maybe two years ago and it automatically updated the list itself. (just adding the dlcpack not the messing with the trainer ini)

(Only things I could find related to added cars, however I haven't changed the DefineAdded)

Are you able to try another trainer? Is it possible Simple Trainer is not detecting them?

I have no idea why it's not working, but I downloaded Menyoo trainer and it's working fine, so I have no idea.

I have no idea myself unfortunately but glad it's working at least

I was going to do dedicated Menyoo, but decided against it, so I re-downloaded simple trainer (again) and for some reason it decided it was going to work... I have no idea. So if anyone has this problem in the future, try loading it in Menyoo first, lol.

Maybe it only scans for addon vehicles on first launch? Thanks for sharing the solution anyway!