Circuit Testers

This item is brand-new, factory sealed.Features and Benefits: Operated between 3 to 28 volt No wire or clip needed while diagnosing polarity Made of rugged chrome metal Contains LED and buzzer indicator Includes long-life alkaline 23A...

This item is brand-new, factory sealed.Features and Benefits: This tool allows for the user to easily lock onto grounds without them ripping off.

This item is brand-new, factory sealed. Computer Safe with Backlit LCD display for accurate voltage readouts Small, ergonomic design for easy use in confined areas For use on cars, boats, trailers, vans, RV's, motorcycles, airplanes, and snowmobiles ...

This item is brand-new, factory sealed.Features & Benefits: Digital display to read the accurate voltage value Voltage measurement from 4 – 60V LCD indication for power (Red) and ground (Green) Stainless steel testing probe ...

This item is brand-new, factory sealed.Features and Benefits: Economic way to check electronic fuel injection (EFI) signalsQuickly and easily checks for systems of GM TBI, Bosch PFI Ford TBI, GM PFI, Geo TBI and GM SCPITo test just disconnect the fuel...

This item is brand-new, factory sealed.6 and 12V. Locates shorts, open circuits and grounds. Use with ignition on. Clip to ground anywhere on vehicle and use probe to make contact with wire or cable being tested. Bulb indicates condition of circuit.

This item is brand-new, factory sealed. Large, backlit LCD display for visible voltage readings Checks electrical circuits on all 3-48 Volt vehicle systems Impedance rating 200-400ohms 12 ft coiled test lead

This item is brand-new, factory sealed.ATD Tools 5513 Heavy-Duty Circuit Tester Has 5 ft. heavy duty lead. Tests low voltage up to 28 volts. Brand: ATD Item Weight: 6.4 ounces Product Dimensions: 12.3 x 8.1 x 7.2 inches Item model number:...

This item is brand-new, factory sealed.Digtal Voltage Sensing Relay (DVSR) - 12/24VThe Digital Voltage Sensing Relay (DVSR) allows the charging of a second battery bank from any single charging source. When the voltage on the charged bank rises...

This item is brand-new, factory sealed.Features and Benefits: 5' heavy duty cordChecks 6 and 12 volt systemsErgonomic, slim designed clear handleBright red, slim style replaceable bulbPositive contact-molded strain reliefDesigned for testing electrical...

This item is brand-new, factory sealed.Features and Benefits: In the event of current overload, automotive fuse blows, not your DMM's internal fuse! Provides extra overload protection -ATC fuse holder in-line Saves you time if you don't have...

This item is brand-new, factory sealed. Professional set of interchangeable test leads designed for automotive diagnostics Extended test lead length of 64" / 162 cm Flexible silicon back probe pins used for sliding into automotive connectors like...