Circuit Testers

This item is brand-new, factory sealed.A modern circuit tester with time tested durability. Quickly and safely tests high and low voltages (power and ground) on all vehicles, including computerized engine and body controls. Tests 6, 12, and 24 volt...

This item is brand-new, factory sealed.With the Southwire GFCI Receptacle Tester, you can quickly identify the most common wiring errors associated with 3-wire 120V outlets. Upon plugging it in, an indication light quickly lets you know whether the...

This item is brand-new, factory sealed.Features and Benefits: Sharp, small diameter probes slide along the wire into connector to back of circuit Bent at 90 degrees with longer, more durable pins No need to disconnect connector and terminal ...

This item is brand-new, factory sealed.Features and Benefits: Provides the technicians with an assortment of back probe pins which gives the technician access to the back probe circuit without any obstructionsAlso have longer pin to reach circuits that...

This item is brand-new, factory sealed.Features and Benefits Bosch jumper wires allow the technician to test current inside circuits Can be used as single test leads or as jumper wires Jumper wire kit allows testing for connectors using...

This item is brand-new, factory sealed.Features and Benefits LCD display provides a ‘no guess’ voltage value of the circuit Used to detect voltage, power, ground and circuit integrity For use on 6-24V DC systems Computer safe...

This item is brand-new, factory sealed.features and benefits: microprocessor controlled current loading capability - a true test of powers and grounds. All the advantages of an incandescent test light pistol grip handle allows access to difficult...

This item is brand-new, factory sealed.WirthCo 21049 Battery Doctor Circuit and Spark Plug Tester Instantly locates bad connections, faulty or broken wires and sockets High quality tester for 12 Volt - 24 Volt systems Light shines if battery or...