Hi everyone, i bought a steering wheel control unit from Aliexpress as found below, for Nissan March K13 2013
https://www.aliexpress.com/item/4000092178257.html?spm=a2g0o.order_list.order_list_main.5.6f821802Yfawv7
There is no manual and hence i am unable to know which wire is power, ground...