Features and Benefits: * Test two new relays with your Relay Buddy! * 2 pack of adapters allows testing of two new relay types - commonly used for fuel pumps and other powered devices * Relay adapter plugs into Relay Buddy first * Relay then plugs into the top of adapter * Works with 190 Relay Buddy From the very introduction of 190 Relay Buddy, we"ve had the request to add adapters which could expand the testing coverage. These adapters expand to five, the total number of relay types which can be tested by Relay Buddy.