where to buy a Universal car relay tester

If you're seeking a universal car relay tester at a more affordable price from Chinese manufacturers, www.cartooldeal.com
offer a variety of options. Here are some recommendations:​

12V Car Relay Tester

This tester is designed for 12V automotive relays, featuring clips for easy connection. It's suitable for checking the functionality of 4-pin and 5-pin relays commonly used in vehicles. 

Price is 19.8USD with Free Shipping.

12V Car Relay Tester Operating Instructions:

1. 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.

3. 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.

4.Plug in the relay into one of the three receptacles.

5. Press the "Test" button.

6. Tester will check the pin configuration of the unknown relay. Tester will light the RED LED if the unkonwn relay is not the same to the most of common automotive relaysor the pin of the unknown relay is destroyed.

7. Tester will open and close the relay 10 times for testing the time to contacts closure and opening if the pin configuration of the relay is right. Tester will light the RED LED immediately if the time is overtime.

8. Tester will check the consistency of the relay after testing the time to contacts closure and opening ten times. Tester will light theGREEN LED if the test passed, if not light the RED LED.

9. Disconnect power leads from the car battery and remove relay from the tester.

Universal Relay Tester BJWJ002

This tester supports various relay types and is equipped with a 12V battery checker. It's suitable for a wide range of automotive applications.

KONNWEI KW208 Car Battery Tester

The KONNWEI KW208 is a 12V car battery tester that offers comprehensive diagnostics for your vehicle's battery, cranking, and charging systems. It supports various battery types, including regular flooded, AGM flat plate, AGM spiral, and gel batteries.

Price is 29.8USD with Free Shipping

By exploring these options, you can find a universal car relay tester that meets your requirements at a competitive price.