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 the tester. Tester will light the GREEN LED if the test passed, if not light the RED LED.
Works with all 1996 and newer cars & trucks that are OBD2 compliant (including CAN protocol). Need standard obd2, and release from 1996 years to now. Reads and clears generic and manufacturer specific Diagnostic Trouble Codes (DTCs) and turns off check engine light.
1 × 12V Car Relay Tester (Compatible with 4 & 5 Pin Automotive Relays). Why Choose This Relay Tester?. Simple to Use – Connect to a 12V car battery, insert the relay, and press the TEST button for instant results.
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 the tester. Tester will light the GREEN LED if the test passed, if not light the RED LED.
New Automotive Electronic Relay Car Relay Tester Universal 12V LED Indicator USA. 1 × 12V Car Relay Tester (Compatible with 4 & 5 Pin Automotive Relays). Why Choose This Relay Tester?. Simple to Use – Connect to a 12V car battery, insert the relay, and press the TEST button for instant results.