Comprehensive Relay Testing Capacity: Designed for maximum utility, this tester supports the three most prevalent relay types found in vehicles. Included Components 1 x 12V Relay and Fuse Tester. Efficient and Portable Operation: Engineered for efficiency within a 12V battery range of 11V to 15V, this 12V car relay circuit tester tools is ideal for relays with a coil resistance above 20 Ohms.
