Universal Car Relay Tester

This universal car relay tester is designed to quickly and accurately check automotive relays and voltage levels. It supports 11–25V systems, making it compatible with most cars and trucks. The built-in LED indicator lights display real-time test results clearly. It helps diagnose relay issues related to starting, lighting, and other electrical circuits. Compact and easy to use, it’s ideal for both professionals and DIY users. The tester ensures reliable performance when checking car batteries and relays. Its durable construction provides long-lasting use in various work environments. Simple plug-and-test operation saves time and effort during diagnostics. Lightweight and portable, it fits easily in your toolbox or glove compartment. With this tester, you can maintain your vehicle’s electrical systems efficiently and confidently.