Circuit

Cordless Circuit Tester 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...

Deluxe DMM with AMP Shutters Huge 2” LCD Display, easy to see from across the room. Display is backlit for use in Dark Spaces. Amp Shutters prevent mistaken operation; improve safety and saves fuses...

Digital Circuit Tester 3-30V 360° visibility of polarity. Operating range 3-30 volts DC to work on most vehicle electrical systems. The probe is insulated to prevent the possibility of shorting the...

Digital Circuit Tester 3-49V Heavy-Duty Circuit Tester with Digital LCD Display to accurately show DC voltage. Operating range of 3-49 volts DC to work on most vehicle electrical systems. 360°...

Digital LCD 3-48V Wide Range Circuit Tester Computer Safe with Backlit LCD display for accurate voltage readouts. Small, ergonomic design for easy use in confined areas. For use on cars, boats,...

Digital LCD Wide Range Positive and Ground Circuit Tester - 3.5 - 60V Digital display to read the accurate voltage value. Voltage measurement from 4 – 60V. LCD indication for power (Red) and ground...

Fuse Buddy Current Loop – ATC Blade Just clamp your current probe over the loop to access the amperage draw through a fused circuit.. Easy testing access, plugs right into fuse socket, no more hand...

Fuse Buddy Current Loop - Mini Fuse Just clamp your current probe over the loop to access the amperage draw through a fused circuit.. Easy testing access, plugs right into fuse socket, no more hand...

Heavy Duty Circuit Tester Quickly tests low voltage up to 12 Volts. A heavy duty circuit tester for lifetime use. The probe, handle, cord and clamp are reinforced for extra durability. Comes with a...

Heavy Duty Remote Starter Switch Allows one person to start and crank engine while under the hood or from either side of the vehicle. With convenient hot circuit indicator, red ready light glows when...

Heavy-Duty Circuit Tester Easily checks 6 and 12V systems. Has 5 ft. heavy-duty lead. Tough plastic handle lights up if circuit is good. Lead remains flexible in low temperatures. 5513

Heavy-Duty Logic Probe Tester 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...