Automotive Tools>Motor & Drivetrain>Spark Plug Wire Tester
Spark Plug Wire Tester
Quickly locates faulty plug wires, with enough length to reach difficult areas.
Light flashes indicating sound wire.
Insulated grip to prevent spark jump.
Attached ground wire for easy testing.
No shock hazard.
If the outer insulation is cracked, sparks can escape and affect auto performance,
fuel economy, and emissions.
R97.81
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