Real Life CSI: Vehicle Fires Investigations Explored
By Bryan Harrison
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The March 16, 2006 meeting of the CCCA featured lifetime fire fighter and investigator, Russ Auker, of Ron Hall & Associates. Mr. Auker, a well-noted expert on vehicle fire investigations, shared his expertise with the group on common causes of these types of fires, along with some myths and misconceptions out there.
One big problem currently being frequently seen, he explained, stems from faulty cruise control switches on Ford vehicles. These electronic switches are mounted to the master brake cylinder, which heats up with use. One loose spark can make for a bad situation.
Ford has apparently redesigned this system in 2005 vehicles, but Auker recommends that you disconnect your cruise control if you drive a Ford.
As for Intentional fire vs. accidental, he stated, “I just view it as a fire,” noting that the evidence, much like on the popular TV program, CSI, tells the story.
Auker uses the services of an independent lab to help determine the condition of an engine prior to the burn. Clues of arson can include an engine block with water in the oil, and such. A compression test of the engine cylinders is helpful in making such determination, as well. Engine blocks typically survive a burn, as they are designed to withstand extreme temperatures.
Alternators “do cause fires,” he stated. “But, they’re usually isolated,” he explained. “Shut the car off and you stop the energy source.”
A former fire chief for the Folsom Fire Department, Mr. Auker’s presentation was thorough, covering a wide variety of vehicle fires he’s dealt with in his 31 plus years of service.

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