Tester uses 12V power from car battery.
No batteries required: alligator clips (test leads) connect to car battery for power.
Quick and easy off the relay test ,
Light Red LED if the relay tested in abnormal. if NOT light Green LED

• Test three of the most popular relay types
• Tester controls the tested relay for proper opening & closing
• Tester uses 12V power from car battery. No batteries required: alligator clips (test leads) connect to car battery for power
• Quick and easy off the relay test , Light Red LED if the relay tested in abnormal. if NOT light Green LED

Test three of the most popular relay typesAUTOALL