Electronic Specialties 190 Relay Buddy - Automotive Relay Tester

Tests 4/5 Pin Relays - 3 different relay types Tester uses 12V battery from vehicle, cycles the relay 10 times Relay Buddy will fail the relay if one of the cycles proves unsuccessful during the test Automatic Test with Good/Bad Indication - switch contacts loaded to detect excessive resistance Quick and easy "off the car" relay testYou may also like Caplugs T-43X Caps/Plugs.