Electrical Testers

Quickly and easily check voltage, power, ground and circuitry without the need to hook up complex equipment Tall, easy to read LCD display Red LED indicates power (+) and green LED indicates ground...

Relay Fuse Buddy acts as a convenient relay bypass switch with live amperage readings Is it a circuit problem or a relay problem?  Relay Fuse Buddy can help diagnose the case In circuit bypass switch...

Safely and Accurately Test Electrical Systems. Large, Easy to Read LCD Display with Backlight. Measures AC/DC voltage/current up to 600V and 10A,capacitance, diode, duty cycle, frequency, resistance,...

Heavy-duty digital pressure/temperature analyzer with four pressure input receptacles and protective boot. Set includes: No. 3491-02 (5,000 psi) transducer, No. 3491-13 20' cable, No. 3500-05...

10 piece kit designed for backprobing, diagnostic testing & electrical troubleshooting Standard 4mm banana plug, works test kits in the field 2 pcs Spoon Probe Backprobers for round connectors (#616)...

6 pc Test Probe Kit appropriate for automotive, heavy-duty, marine, equipment, small engine, etc. Quality probes will provide trustworthy readings Great starter kit, connects to DMM’s, digital scopes...

Digital LCD Wide Range Positive and Ground Circuit Tester features a digital display to read the accurate voltage value, which can be measured from 4-60V. The LCD indication for power in this tool is...

7 different sizes of flat/spade type connector terminals Tests circuits via fuse panels, distribution box, harness connections & more Works with Multimeters and digital oscilloscopes Includes 48”...

Comprehensive electrical testing kit for cars, trucks, tractors, ATVs, Motorcycles, boats & more Effortlessly analyze voltage, continuity, impedance and current Connection metals are not exposed to...

Voltage drop test with the push of a button Finds corroded wires/connections and shorts to ground Diagnose faster and earn more $$$ - works with your existing DMM For use on 12 to 48 Volt electrical...

Contains terminal release tools for most domestic, European and Japanese cars and trucks Application reference chart included

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° visibility of polarity The red...