12V Car Relay Tester
is a quick go/no-go tester relays that provides with indication of the
general health and functioning of the most common Automotive relays.
Tester will check for proper functioning of the relay contacts by
connecting the car battery (11V--15V) to the relay coil. Tester will
watch the pin configuration, the time to contacts closure and opening,
consistency of the relay during each test session, Tester will light the
GREEN LED if all passed during the test session, if not light the RED
Connect the power leads to the car battery --black alligator clip to
negative terminal, red alligator clip to positive terminal.
2. Tester is powered up when the LED illuminates in RED.
Check the relay before plugging into the tester. If it's a 4 pin
relay,select"4 pin" on the tester. If it's a 5 pin relay, select 5 pin on