Our Price $199.45
  1. Kit includes 5 New Relay Adapters and a blow mold case!
  2. 3 new adapters for testing shielded relays
  3. 2-adapter for testing new relay types commonly used on fuel pumps and other powered devices

Relay buddy is a quick go / no go tester for the most common automotive relays. With the included adapters, Relay Buddy now tests 5 different relay types and also tests shielded relays. Relay Buddy provides you with an indication of the general health and functioning of the relay switch contacts and coil. it will check the control side of the relay by applying a signal to the relay coil while it checks for proper functioning of the relay contacts. Relay Buddy operates the relay several times during each test session as it watches for consistency in every cycle. Relay Buddy will fail the relay and light the RED LED if any one of the cycles proves unsuccessful during the test.


  • Settable to 4 and 5-pin relay
  • Uses vehicle 12V battery for power
  • GREEN Light if the relay is good - RED Light if the relay is bad
  • Switch contacts are loaded to detect excessive resistance


  • Automotive
  • Heavy Duty
  • Marine
  • RV Equipment