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Spark Plug Testers...
Spark Tester
LISLE
Part #:
LIS19380
Mfg. Price:
$11.89
Price:
$7.63
Qty:
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Description
• Tests spark plugs, spark plug wires and coils without puncturing the wire.
• With the engine running, place the grooved end of the tool over the plug wire.
• The bulb will flash to indicate spark.