Description: Only affects vehicles, dreadnoughts, robots, Wraithguard, and Terminators. If any of these models is hit with a Haywire Grenade, their armour is penetrated automatically. Roll to hit locations covered by the template as normal, and then roll on the appropriate damage table with a –1 modifier. Vehicle crewmen or Terminators hit by this grenade suffer a S3 hit causing 1 wound with no armour save possible.