1. check circuit breaker first.
2. test outlets on the same line. If no power, meaning that there is no power in the whole line.
3. otherwise, take the moting censor light off and you should be measure the line directly. ...
这样的女生不多呀,鼓励! 俺老婆会把打气的电源插头12v 向气门芯捅, 你们佩服吧!