Relay, one of the most commonly used control components in automobiles.In general, if the relay is suspected to have a question and answer during maintenance, it is necessary to find the relay control pin - open the housing - jumper connection - find the power supply.This is not only troublesome but also often damages the relay.Even damage the vehicle.The gain is not worth the loss.Now with it, relay detection is less troublesome.

1. Multiple relay types are supported

Can detect four corners and five corners, size and model can be detected

2. Free switch, plug and check

Type free switch, a key to know good or bad

3. The LED lights

LED power prompt, accurately judge the quality of contact