Diagnostic & Testing

Set makes testing relays or live circuits quick and easy. Set includes four jumpers to fit many popular relays on Honda, Nissan, Toyota, newer Ford and GM mini micro relays as well as International...

Set of Three Terminal Tools and Handle for Removing Wires from Terminals Without Damage Terminal tools work on conventional terminals as well as Pack-Con and Weather-Pack terminals found on many GM...

Now a technicain can repair or rebuild a wring harness without having to order an OE replacement. Great time saving tool! Release tools work with most connectors and make removal of single wires a...

Allows one person to start and crank engine while under the hood or from either side of the vehicle. Features and Benefits With convenient hot circuit indicator, red ready light glows when starter...

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.

including red/orange or yellow

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...

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...