Electrical Testers

Works on 12–36 volt systems. Features 7" stainless steel probe. 24' coil cord. Extra large clamp.

Multi-functional design allows testing range of 3–26 volts. Bright red and green LEDs interpret voltage signals such as ground, power, and frequency. Tests fuel injectors, solenoids, presence of...

Designed to test any type of non-live electrical circuit. Track down broken wires, bad grounds and blown fuses quickly. Features and Benefits Comes with AAA Alkaline battery. Ergonomic, slim designed...

Also Indicates Polarity. Safe for automotive computers. Won't damage sensitive electronic components. Draws less than 21 mA. at 12 volts DC. Operating range 3-28 volts. The red light indicates...

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

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...

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...

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...

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...

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.

Features: This unit does not require ground wire or clip and is safe with ECMs, Sensors, Transducers, Airbags, etc. Designed to be used on DC powered circuits with voltages between 3 and 28 volts ...