Issues with Tow Trucks - Can't Tow Police?

So I installed 2 tow trucks to replace the light duty and heavy duty.

Used these specifically:

This model for the heavy: https://www.gta5-mods.com/vehicles/scania-113h-guincho-4x6-funcional (sorry if linking another site isn't allowed)

---With this texture: 

And this one for the light: 

With this skin: 

After messing with the carvariations file (If you do what the instructions tell you to, you'll mess up lighting for other emergency vehicles) I got the trucks working and they're great.

I still need to get it fixed where the cornas are not red/blue but I can live with it.

I've now ran into a new issue where with either of these two trucks I cannot tow police vehicles. Police vehicles are the only ones everything else is fine. When I try to the tow truck only goes 1mph and the wheels on the police vehicles don't move.

Is there any way to fix this?

Side note, the FIB Charger (default in the game) grille lights are stuck illuminated, anyway to make it so they're only on when the lights are activated? I haven't gotten around to swapping it to an ELS vehicle.

Edited February 7, 20179 yr by Cryptic Soldier