OEM Automotive Tools Spark Plug Wire Testers
OEM Automotive Tools spark plug wire testers are handy devices to locate faulty wires, with enough length to reach difficult areas. Spark plug wires can last up to 50,000 miles, but they're such vital cogs in the electrical trail, it's wise to inspect them regularly. If the outer insulation is cracked, sparks can escape and affect auto performance, fuel economy, and emissions. It's an easy test to maintain your spark!
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