The GJ-DQ-04 is a universal 12V automotive relay tester that checks 4-pin and 5-pin relays, using red and green LED indicators to show normal or abnormal status.
Installation is excluded from the advertised product price unless specifically stated otherwise. Should you require professional installation, please contact the Rivonia Car Sound team for advice and a separate quotation. Additional installation accessories may be required, depending on the vehicle and product.
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The GJ-DQ-04 Relay Tester is a universal electronic tool for quickly checking automotive relays on a 12V system. It supports both 4-pin and 5-pin relays. A red LED indicates normal status while a green LED indicates an abnormal relay, making it easy to diagnose faulty relays. The tester is for 12V batteries only, with a recommended testing voltage of 11V to 15V.
Universal. For 12V automotive systems using standard 4-pin and 5-pin relays.
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