Circuit Testers

This item is brand-new, factory sealed.Features and Benefits Small, low current type of connectors to Micro64 terminals Includes 48 inch stacking banana plug test leads Connection to most DMM's and scopes Provides a quality & secure...

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 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. The most economic way to check electronic fuel injection (EFI) signals Quickly and easily checks for systems of GM TBI, Bosch PFI Ford TBI, GM PFI, Geo TBI and GM SCPI To test, just disconnect the fuel injectors,...

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...

This item is brand-new, factory sealed.Features and Benefits: Flexible 1.5 inch silicon pins provide easy back probing connections for DMM and Scope measurements Flexible silicon bends for difficult areas Great for back-probing harness...

This item is brand-new, factory sealed.features and benefits: test lead kit includes our basic set of interchangeable specialty test probes designed for automotive use six piece set includes storage pouch for safe keeping the flexible back...