Relay Circuit Diagnostic Tester - Factory Refurbished (Grade A)

• Fast, accurate and safe relay circuit tester that tests the supply, earth and trigger wires within the automotive circuit.
• Simply remove the relay and install the corresponding dummy relay.
• Includes a universal fly lead for non standard relay pin configurations.
• Earth, supply and trigger terminals are displayed as green or red LEDs.
• The tester can also be used to power components by simulating the relay in the on/off positions using the test button.