GC Compact Automotive Relay Tester for 12 Volt 4 and 5 pin relays

  Global Commerce Automotive Relay Tester Ships today here from Houston, Texas USA! Quick off-the-car relay tester Checks the relay coil and switch contacts Fails bad relays after rapidly checking/testing them 10 times Automatic test with Good/Bad indication Versatile Compatibility: Compatible with a wide range of automotive relays, making it a must-have tool for any mechanic or DIY enthusiast. Our Automotive Relay Tester is a quick go/no-go tester for the most common automotive relays. It provides you with an indication of the general health and functioning of the relay switch contacts and coils. Our Relay Tester will check the control side of the relay by applying a signal to the relay coil while it checks for the proper functioning of the relay contacts. Our Relay Tester operates the relay several times during each test session as it watches for consistency in every cycle. Relay Tester will fail the relay and light the RED LED if any one of the cycles proves unsuccessful during the test session. Specifications: Settable to 4 and 5-pin relay Switch contacts are loaded to detect excessive resistance Uses vehicle 12V battery for power Green Light if the relay is good - RED Light if the relay is bad