- Versatile Functionality : This car circuit tester is designed for multiple applications, including bulb load testing, load voltage testing, and pulse signal testing. It quickly identifies short circuits and fuse faults, making it an essential tool for automotive diagnostics. - Efficient Circuit Diagnosis : Featuring a 12V 5W test bulb and an LED display, this tester allows you to switch between quick test mode and bulb mode. You can easily diagnose battery failures and fuse issues while assessing voltage strength based on bulb brightness. - Modern Electrical Testing : With its dual function as a load tester, this device helps you efficiently diagnose power failures in wires and detect hidden poor connections. The built-in test bulb provides accurate results for both bulb load and voltage testing. - Advanced Polarity Detection : This tester comes with two probes for simplified load device testing and clear power polarity indication. The red light indicates positive polarity, while the green light shows negative polarity, ensuring clear and accurate readings. - Practical Applications : - Use this tester to quickly check the health of your vehicle’s electrical system, identifying issues before they lead to breakdowns. - Ideal for automotive professionals, it streamlines the troubleshooting process for battery and fuse-related problems. - Perfect for DIY enthusiasts who want to maintain their vehicles, ensuring all electrical components function correctly. The car circuit tester is compatible with various vehicle types and is built with durable materials for long-lasting performance. Its compact design allows for easy storage and portability, making it a reliable companion for both professional mechanics and hobbyists alike.