Relay Buddy will fail the relay and light the RED LED if any one of the cycles proves unsuccessful during the test session. Relay Buddy 12/24 is a quick go / no-go tester for the most common automotive relays.
New Automotive Electronic Relay Car Relay Tester -4/5Pin 12V Car Diagnostic Tool
RT911 Relay Tester New Automotive Electronic Relay Car Relay Tester 12V/24V
