How should we check and deal with the case where led tail light bulb are not on?

What should we do when the led tail light bulb does not turn on, we can try to deal with it like this:

1. FAILURE PHENOMENON

When the car is driving, the tail light is not on when the light switch is pulled.

2. CAUSES OF FAILURE

The tail lamp wire is burnt out, the tail lamp is not connected to the iron,

or the tail lamp line is out of order.

3. JUDGMENT AND EXCLUSION

Turn on the main switch, if only the tail light is not on, should first check that the filament

is burnt out. If you burn out, replace the light bulb.  LED tail light bulb please click here.

If the filament is in good condition, use a screwdriver to connect the lamp head wire to the iron

to try the fire, there are sparks, indicating that the tail lamp iron is not good. If there is no spark,

the rear lamp line is out of order.

By using the method of touching iron and scraping the fire with the fire line, the fault is checked

out step by step and the fault is eliminated.