Features and Benefits:

• Check 6 and 12V circuits for voltage and spark plugs for spark.
• To use, ground the clip and touch the probe to the point being tested.
• The tester bulb will light it voltage is present.
• To use as a spark tester, screw the probe into the opposite end of the handle.
• Replacement part: 126-75 GE 1449 Bulb.
• Replacement pan: 126-78 Neon Bulb