Dome light removal video: http://www.youtube.com/watch?v=wv2CU9VAHFg
On the centre of the ceiling (light for rear section)
turn head light switch till it clicks and theses your dome light switch...
# 3175
passenger side near the left foot behind a panel there are a set of fuses the dome light is located ther with other lights
Remove the dome light lens, pull the old bulb out, and replace with new bulb; replace the lens.
To replace the dome light in your 2005 Toyota, you will need a flat screwdriver to remove the screws and pry the dome light cover from the light. You can then access the light to change the bulb or replace the entire bulb and cover.
Be sure the dome light override switch is turned off.
To replace the dome light switch on a 1998 Mercury Tracer, first, disconnect the negative battery terminal to ensure safety. Then, remove the dome light assembly by gently prying it down from the ceiling. Disconnect the wiring harness from the old switch and replace it with the new one, ensuring a secure connection. Finally, reattach the dome light assembly and reconnect the battery terminal.
The dome light diagram is quite simple. all 4 of your door switches are grounded to the body where they mount. the wire leads run threw the insterment panel junction block, then out to the dome light. the dome light has a 3 contact switch, one contact being "OFF", second contact being "DOOR" and third contact being "ON".
IT SHOULD BE UNDER THE DASH ON THE DRIVER SIDE. I BELIEVE IT'S LABELED COURTESY.
Yes, all electrical parts in the vehicle are fused.