In BusinessSince 1987
CA, FL, GA, ID, IA, IN, MA, MD, MI, MO, MS, NC, ND, NE, NY, OH, TX, WI
Attach tool to the car body or windshield with suction cup. View the Noid Light from the front seat while cranking the ignition. A flashing light indicates normal pulses. No light or constant light indicates a problem.