Nho doc manual hoac test de tim day power va ground (+/-) o wire harness connector sau lung rearview mirror.
Can mua 3 thu duoi day ve tu cham han
1. Cable heat shrink tubing
2. Mini/Micro Usb 12v to 5v (chon loai nao dung phu hop voi power input cua dashcam minh)
https://rover.ebay.com/rover/0/0/0?mpre=https%3A%2F%2Fwww.ebay.com%2Fulk%2Fitm%2F311874039387
3. 9-Position Male Connector
https://www.radioshack.com/products/9-position-male-connector