There are no individual bulbs, just LED's in the dials, and you will have to replace the entire instrument cluster.
There is a campaign on the brake bulbs for 2000-2003......If it hasn't been done you should get it done. The bulbs and sockets will be replaced.
How_do_you_replace_the_lic_plate_light_bulbs_on_a_2003_cadllic_cts
Remove the screws that hold the covers in place. Replace bulbs!
Open the rear hatch and you will see the retaining screws inside the door frame.You can then drop the light out to get access to the bulbs. If no bulbs are bad then you may have a bad circuit board.
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To change the dash bulbs in a 2003 Saturn Ion 2, start by removing the instrument cluster. This typically involves unscrewing the trim panel around the dashboard and then unscrewing the cluster itself. Once you have access to the back of the cluster, twist and remove the burnt-out bulbs from their sockets and replace them with new ones. Finally, reassemble the cluster and trim panel, ensuring everything is securely in place.
To replace the fog light bulbs on a 2003 Mercedes-Benz ML350, first, ensure the vehicle is turned off and the keys are removed. Access the fog light assembly by turning the fog light housing counterclockwise to release it from the bumper. Disconnect the wiring harness from the old bulb, replace it with a new bulb, and then reassemble by reconnecting the wiring and securing the fog light housing back in place. Make sure to test the new bulbs before finalizing the installation.
Open the trunk. Loosen the black thumb latch wing nuts that hold the tail light assembly in place. pull the tail light assembly out. You should be able to acces the tail light bulbs to replace them.
You have to start by taking off the grill. Then you need to pull out the whole light houseing. When you have the whole light off its easy from there. Just remember not to touch the light bulb with your fingers.
The bulbs are LEDs (light emitting diode). It is a set of bulbs, fused together, you cannot change individual bulb. You can buy a set from any dealer or from the Internet and change it by yourself or you can go to a mechanic.
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