(Starts at 2:28) – From the documentary “Dugma: The Button” – A Jabhat al-Nusra fighter in Aleppo explains how an up-armored SVBIED works (payload, armor and detonation mechanism). In this case, an up-armored flatbed truck SVBIED is detailed showing it’s multiple firing redundancies and a large aimed IED payload.

https://www.youtube.com/watch?v=qQ7W3BzX15s&feature=youtu.be&t=2m28s