The Cal-Van Relay Circuit Pro, No. 76, allows users to test all circuits associated with a given relay. The unit tests from the battery to the relay, relay to ignition or switch and relay to the component for ground and continuity. This tool will also test any component related to the relay, including the fuel pump, horn or compressor, by activating the circuit at the push of a button. Six of the most common relays included and a universal relay for the uncommon ones. Users can use this tool as remote starter for compression test and fuel pressure test.
