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Look in front of light cover,and remove screws,and remove light assembly,twist our terminal,remove bad bulb and install new...Some cares offer enough room to simply twist out terminal from behnd to install new bulb then twst back in..Best to change both bulbs
Are you sure you replaced the bulbs with the same brand/model as on the passenger side? There are a lot of different versions with different light colors and intensities.
If so, have you made sure there is no water vapor in the headlight housing, and that the silvering inside is not degraded?
On a 2008 Prius, If both High beams work but only one side has working low beams, then it is most likely a fuse. So before breaking your knuckles to change the bulb, check the fuse first. I found out the hard way as my mom distressed to me that her drivers side headlights were out. So without checking to see if low and high were working, I proceeded to remove and replace the bulb - ouch! There are 4 10 amp fuses that protect the circuits for low/high beam function. They are under the hood in the fuse box on the drivers side and they are marked on the box cover. Check them before changing the bulb.
Under the hood, there are two round head lamp covers on each side. One for high beam and one for low beams. The low beam is the outer cover. Turn this cover counter clockwise and remove. This will expose the back of the bulb. There is a small clip holding the bulb into the headlight housing, but you must unplug the light before removing clip. Once you have unplugged the light, the small metal clip can now be undone. on the side opposite the hinge, push the clip in towards the casing and then to one side (which way to push depends on which light it is.) Then the clip will release. you can now remove the bulb. place new bulb in and make sure it securely fits into position. reinstall the clip and reconnect the power. check for propeer function of the lamp before replaceing the cover. Once you confirm lamp is working replace cover and you are done.
This is easiest to see on the passanger side light. The driver side is slightly more cramped.
Both sides have a rubber cover behind the actually headlight. There are 2 rubber covers, one on the top for the high beams and one on the bottom for the low beams. Drivers side is easy, reach your hand down there and remove. The passenger side requires removal of the air cleaner top to have easy access. Hope this helps!
It has been because the lamp bulb or halogen lamp module has reached the end of its serviceable life, not because of any wiring problems. Low beam burns out first because it is on the most. If low beam is lost simultaneously in both headlights, I would check fuse first, then the headlight switch. If low beam is lost on one side only, it is almost always going to be due to the bulb or lamp module needing to be replaced. In that case, replace them in both headlights because the other one will be going kaput in short order, as well. Most like the low beam filiment is bad but the high beam filiment is still good, try replacing bulb. If replacing bulb does not fix problem then you probably have voltage problems and should check the voltage reading and the plug. OR isolate the wire that comes from the headlight switch to the headlamp bulbs for low beam and check to see if there is a short in the wire. You can find this wire by using a test light turn on the key and get a good ground with the test light poke the wire and see if the test light illunimates with the headlight switch on. check the wires, and check the fuse for your lowbeams. could of blown a fuse on your lows, but your highs will still work.
The fuse box is located in the engine compartment,on the driver's side. Has thumb-screw retained cover.
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You need to remove the back cover of the headlight inside the engine bay. There you will see both low and high beam bulbs. The low beam is the one that is to the outside crner of the vehicle, give it half a turn ad pull it right out. You do not need to remove the whole light assembly. The driver side bulb will be a little bit difficult due to space but it can be done.