2.Unplug the power cord connecting to the bulbs
3.Take out the bulbs carefully
4.Put in the new bulbs, plug back in the connectors and you're ready to go.
How do i change a headlight bulb on toyota previa 1994?
very simple.
Open hood
look under hood and there should be a black plastic L shaped connection running from the back of the light.
unscrew the L shaped piece and pull out broken light.
replace light and screw back in.
your done.