VERSATILE FITMENT - Suitable for most general-purpose automotive relays on the market. When testing, it needs to be connected to the car's 11V-15V battery. The car battery must be a 12V battery, and the battery voltage must be between 11V-15V; 2. The applicable coil resistance is preferably above 20 ohms. *Not intended for use with all BMW relays*
COMPACT DESIGN - Our automotive Relay tester is small and easy to carry around for on-the-go jobs or for easy storage. Its compact design allows easy use no matter where you are.
SIMPLE AND EFFECTIVE - With our patented design this relay tester will give you the results you need quickly and easily. A red light means that the relay is bad, and a green light means the relay is good!
Introducing the Handheld 12v Relay Tester, aiding you with quickly and easily checking the relays of most modern vehicles (NOT INTENDED FOR USE WITH ALL BMW RELAYS). This compact design allows you to carry around the relay tester for on-the-go jobs and can be easily stored. Use the Handheld Relay Tester no matter where you are!