Each ignition source has characteristics by which it can be ruled in or ruled out of consideration for a specific vehicle fire. While the number of ignition source types is small, each is multifaceted, with a potential for fire origination at many locations. Each may leave little or no evidence for the investigator. Using scientific methods the investigator may examine each source and evaluate the probability of involvement, but often cannot definitively identify a single source.
Types of ignition sources in motor vehicles:
Electrical:
- Arcing
- Resistance Heating
- Static
Mechanical: