Diagnostic & Testing

Small Engine Tach/Hour Meter Multi Function Instrument with high vis green backlit LCD display. - IP68 Dust and Water proof Can be permanently mounted on vehicle (includes velcro 2 sided tape) or used for engine service RPM in real time Stable RPM...

Micro 64 is a small, low current type of connector mainly used on GM vehicles and Mercedes-Benz Micro 64 connection is used on many of the sensor circuits There is a need to check and verify feedback to the vehicles ECM's Micro 64 connectors are where...

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

Everything Needed for North American Trucks and Trailers! Test all trailers Test all vehicle tow circuits Clean all truck and trailer electrical connectionsCustom Case Features Waterproof Crushproof Custom Foam Insert Pressure Equalization (Purge) Valve...

ENERGIZE A FUEL PUMP WITH THE PUSH OF A SWITCH! The Relay Bypass Switch with Amp Loop can energize any relay powering a DC motor for testing. Controls relay circuit independent of "key-on" systems Use with amp clamps or low amp probes in conjunction...

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,...

Interchangeable probes for a wide range of testing possibilities. Compatible with most multimeters and scopes with standard 4mm connectors. Kit includes 43" long 4mm banana test leads with straight and 90° connections, test probes, long back probes,...

Features Unique and differentiating feature of amp shutters. Amp shutters prevent mistake operation, fuse blowing and improves user safety. Amp shutters block the unused amp jacks. Huge 2 inch LCD Display, easy to see from across the room Display is...

Greatly improved: Zero drift on the low DC amps function - along with enlarging the clamp size to accommodate larger ground cables. Great tool for parasitic drain testing.  Features: Larger 19 mm (.75") clamp size - can clamp over larger ground...

This digital inspection camera is designed to work with MaxiSys series products or PC. It turns your MaxiSys tablet into a video inspection scope, allowing you to examine difficult-to-reach areas normally hidden from sight. It is capable of recording...

Electricity explained in a way that makes it useful for mechanics. Unbelievable 200 page guide to every aspect of electrical troubleshooting. Written by a mechanic for real world, hands-on testing. Batteries/Testing explained Relays, potentiometers,...