Introducing the Sound Troubleshooting 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 Sound Troubleshooting Handheld Relay Tester no matter where you are!
