Before conducting a vehicle fire investigation, an investigator should prepare by gaining knowledge about what?

Gaining knowledge about the general systems and characteristics of powered vehicles and equipment is crucial for an investigator conducting a vehicle fire investigation. Understanding the fundamental systems, such as the electrical, fuel, and ignition systems, allows the investigator to recognize how these components may contribute to a fire's origin and spread. Familiarity with the characteristics of various fuel types, materials used in the vehicle's construction, and how different systems operate enhances the investigator's ability to interpret physical evidence correctly.

This foundational knowledge also aids in identifying potential fire sources and understanding the vehicle's mechanics when analyzing the aftermath of a fire. It is important for investigators to have a broad awareness of vehicle systems rather than focus on the specifics of one make and model, the history of the owner, or regulations, which are secondary to the technical understanding necessary for properly assessing the situation.