Test Light Automotive is a digital LED circuit tester with a voltage display that accurately measures voltages from 5 to 90V, providing clear readings for troubleshooting. - Clear readings on a digital LED display, eliminating guesswork or complex calculations. - Auto bidirectional voltage testing for quick, accurate detection of voltage in both directions. - Designed specifically for automotive use to diagnose electrical problems in vehicles and ensure proper circuit function. - Wide voltage range of 5 to 90V, making it suitable for various automotive electrical components and systems. - Reliable, straightforward tool that supports efficient problem solving in the automotive toolkit. Use scenarios - Check battery health and charging system by measuring voltage at the battery terminals and across the alternator output. - Inspect wiring harnesses and sensors by probing live circuits to verify voltage presence and consistency. - Troubleshoot circuits by comparing voltage at different points (fuses, relays, connectors) to locate irregularities.