Electrical Testers

LOADpro finds corrosive resistance, shorts to ground and open circuits. Do voltage drops easier and faster and find wiring problems faster. Works ...

This unit checks high voltage circuits on EV's and Hybrids for leaks to ground. It can supply 250V, 500V and 1000V test voltages for doing complete...

Tests a wide range of 12 Volt batteries, quickly and accurately, AGM included. Results display actual CCA capacity of the tested battery. Also tes...

Super Relay Buddy is the next generation tester for 12 volt automotive relays. It applies a 7+ amp load to the relay and looks for excessive volta...

Super Relay Buddy is the next generation tester for 12 volt automotive relays. It applies a 7+ amp load to the relay and looks for excessive volta...

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 ...

Now a Fuse Buddy tester for Maxi fuse circuits Fuse Buddy Maxi can test up to 80 AMPS There are numerous Heavy Duty  Automotive applications With ...

52 piece variety of terminal adapters enable connection to most vehicle harness connectors, both foreign and domestic 10 piece interchangeable tes...

Short Buddy Helps you finds these problems: Locating Shorts To Ground Intermittent shorts Intermittents caused by loose connections Features: Se...

The new Fuse Buddy Pro Kit can read amperage Draws on both ATC and Mini fused circuits up to 30 Amps As an added bonus, the Fuse Buddy Pro can be ...

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...

181 Includes LOADpro and #182 Fundamental Electrical Troubleshooting LOADpro Test Leads load the circuit to see if current can flow LOADpro identi...

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...

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...

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

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...

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...

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

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

Professional Timing Light with High Visibility LED display Measures ignition spark advance from 0-90 degrees 2 and 4 Stroke Tachometer measures en...

Tests both 12V and 24V relays 3 diagnostic trouble codes help define the cause of the bad relay Available as stand alone tester #192 and in kit fo...

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...

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