Diagnostic & Testing

With the engine running, place the grooved end of the tool over the plug wire. The bulb will flash to indicate spark.

UV Phazer™ Black (AAA Batteries) High Power UV LED Fluoresces dye brighter than the competition Three included AAA batteries provide 3 hours of power Adjustable focus and rugged aluminum housing make it super versatile. Includes UV enhancing glasses

High Power UV LED Fluoresces dye brighter than the competition Lithium-Ion battery provides 2 hours of power Adjustable focus and a rugged aluminum housing make it super versatile Includes charger and UV enhancing glasses

Spark Plug Pliers Two Pulling Positions Help Make Removing Spark Plug Wires A Safe And Easy Job. Specially shaped, cushioned jaws grip the boot straight on or from the side. Plastic handle grips help prevent shock.

A 2-in-1 Tester that Tests Circuits up to 28 Volts and Works as a Jumper Wire for Power or Ground Heavy-duty circuit tester for checking low voltage up to 28 volts By depressing the red button the tester becomes a jumper for powering electrical...

Checks Both Low Voltage and Spark Plug Wires. The low-side checks AC and DC current up to 28 volts with power on. The high-side checks spark plug wires without piercing. Complete with insulated clip.

Quickly Tests Low Voltage up to 28 Volts. A heavy duty circuit tester for lifetime use. The probe, handle, cord and clamp are reinforced for extra durability. Comes with a strain relief spring on the cord.

Quickly Tests Voltage up to 28 Volts. Heavy duty probe, cord and clamp. The probe is insulated with high-visibility shrink tubing to prevent the possibility of shorting the side of the probe to other components. Comes with a strain relief spring on the...

Quick check both AC and DC current up to 28 volts with power on. Helps locate shorts or breaks in wiring. Complete with insulated grounding clip.

An Assortment of tools specially designed for cleaning all vehicle electrical connections found in commercial heavy duty fleets. Clean Male and Female Electrical Connections Reduce diagnostic guesswork Extend Harness Life Maintain Proper continuity For...

The 6-piece set is designed to clean ALL North American Truck & Trailer Towing Connectors. The unique patented design allows for precise removal of corrosion from both male and female pins, while maintaining proper pin dimensions. The Trailer...

The 12-piece set of round files, ranging from .030" to .120", are specially designed to clean Cannon, Deutsche, Bullet, and other Round Pin Female Terminals. The set includes 12 individual pieces ranging in sizes from .030" -.120". Each tool features a...