The reason why the headlights of Dongfeng water tank car shop are not on.

The power supply circuit is open. The reason why the headlights of Dongfeng Water Tank Car Shop don't light up is that the headlight power supply circuit is open, the terminal is loose and the filament falls off. You can find the damaged part by short-circuiting the wire and reconnect or replace it. Dongfeng 145 tanker is a product developed by Dongfeng Company with a total mass of 15990.