Newest Products

Voltage drop test with the push of a button Finds corroded wires/connections and shorts to ground Diagnose faster and earn more $$$ - works with y...

Relay Buddy is a quick go / no-go tester for the most common automotive relays. It provides you with an indication of the general health and funct...

This hard working timing light is accurate up to 8000 RPM An extremely bright light will help you time the engine Inductive pick-up clips over spa...

20 test ranges DC/AC Volts Fuse Protected Diode and Transistor tests

Small Engine Tach/Hour Meter Multi Function Instrument with high vis green backlit LCD display. - IP68 Dust and Water proof Can be permanently mou...

ATO fuse holder in-line Provides extra overload protection Can prevent your DMM's internal fuse from blowing For use with any digital multi-meter

Blowing Fuses? Plug in the Fuse Buddy and read circuit amperage draw on your DMM Adapts your DMM to plug directly into ATC Blade fuse socket Origi...

Electricity explained in a way that makes it useful for mechanics. Unbelievable 200 page guide to every aspect of electrical troubleshooting. Writt...

This is Dan Sullivan's second book, which covers everything you need to know regarding Electric Power Generation......from RV generators to large G...

Over 1 Hour of video training included... Includes LOADpro® Dynamic Test Leads, 200 page Electrical Troubleshooting Book, DVD training video - Sull...

EZ Tach +PLUS Features: Versatile instrument can measure RPM on a wide variety of engines from string trimmers to automotive. Reads engine revolut...

Relay Buddy 12/24 is a quick go / no-go tester for the most common automotive relays. This new version Relay Buddy tests both 12 and 24 volt relays...

Pro kit includes 5 new adapters, greatly expanding relay testing capability 3 new adapters for testing shielded relays 2 adapters allows testing o...

180 LOADpro Test Leads load the circuit to see if current can flow. LOADpro finds these problems quicker: High Corrosive Resistance Shorts to Grou...

Expands the testing capability of your Relay Buddy!!! 3 pack of adapters allows testing of shielded relays. Adapters set cover the same 3 types of...

Fundamental Electrical Troubleshooting Complete 200 page guide to every aspect of electrical troubleshooting – explained in a way that makes is us...

Test two new relays with your Relay Buddy! 2 pack of adapters allows testing of two new relay types - commonly used for fuel pumps and other power...

Great point of sale merchandiser for mobile dealers! Many of your customers will prefer to add accessories to their diagnostic arsenal incremental...

Comprehensive kit includes 26 different test connectors - 2x of each type Features several flat/spade sizes, Micro64, Micro50, Deutsche and round ...

~Tests New Start/Stop Batteries~ An accurate battery and electrical system tester. Features programmed test for new Start/Stop batteries.  3 ...

The Electronic Specialties 687 features low reading capability of 0.001 AMP Zippered carrying case and test leads included.  Expanded DMM function...

500 Amp adjustable load carbon pile. The #710 is a great tool for simulating actual cranking loads. Tests 12 volt batteries rated as high as 1000 ...

Internal 100 Amp loading capacity. Test battery voltage, starter current draw, charging voltage and battery condition. Extra heavy nickel plated v...

This kit includes sizes 14, 16 and 20 Deutsch connectors, both male and female. Tap live readings with included 48 inch stacking banana plug test ...