Electrical Testers

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 controls power downstream of relay Displays live...

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, temperature and transistor. Includes 13 Functions and...

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) 4 pcs of Mini Back Probes/Wire Piercers (#618) 2...

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 and most other test equipment Includes standard 4mm...

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 red and green is for ground.

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” stacking banana plug test leads (2 pcs) Male spade...

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 light indicates positive polarity, green indicates negative...

Heavy-Duty Circuit Tester with Digital LCD Display to Accurately Show DC Voltage Operating range of 3-30 volts DC work son most vehicle electrical systems 360° visibility of polarity The red light indicates positive polarity, green indicates negative...

Use to release Deutsch terminals from connectors Provides coverage for larger diameter wire Color coded for easy identification All metal construction with knurled anodized aluminum handles & stainless steel shafts

Use to release Deutsche terminals from connectors Provides coverage for larger diameter wire Color coded for easy identification All metal construction with knurled anodized aluminum handles & stainless steel shafts

Digital LCD 3-48V Wide Range Circuit Tester is computer safe with a backlit LCD display for accurate voltage readouts. Its small, ergonomic design is great for use in confined areas. This tool is ideal for use on cars, boats, trailers, vans, RV's,...