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 functioning of the relay switch contacts and coil.

Relay Tester 12 Volt 4 and 5 pin Automotive Car Relay Tester, Quickly Diagnose Faulty Relays, Feels Like Holding a Smartphone — Compact, Cordless, Battery-Free

It is a tool that can test an entire circuit from the battery to the component in question. Through its function it will also determine if the relay itself is functioning properly. This tool gives the technician …

Jun 11, 2024 · When you need a reliable and efficient way to test relays outside of a vehicle, the Performance Tool Compact Cordless Automotive Relay Tester is the best choice, offering a self …

Mar 25, 2025 · Designed for DIYers and pros alike, this tester quickly and accurately identifies bad 4-pin and 5-pin relays in 12V automotive systems, saving you time, frustration, and those dreaded garage …

Relay Buddy is a quick go/no-go off-the-car relay tester for the most common automotive relays. Find bad relays fast with simple green/red light indication.

Selecting the right automotive relay tester can save time and increase efficiency in a workshop or for personal vehicle maintenance. This guide will provide the key features to consider when choosing …

Feb 3, 2017 · This tester is designed to test 12V and 24V relays, and helps identify issues within the relay itself. It doesn't test the relay socket. If you suspect a problem with the socket, you'll need a …

The Cordless Automotive Relay Tester is a tool for testing 12-volt automotive relays, including 4-pin and 5-pin types. It lets users quickly check if relays are working properly, which is important for …

Easily test automotive relays with this compact, user-friendly tester. Comprehensive checks for coil and contact functionality in a portable design.