Sure, in your 2009 X-Trail T31, the fuse box that houses the side light fuse is typically located in the engine bay or the cabin. The side light fuse might be labeled differently depending on the manufacturer, so it's best to refer to your owner's manual or the fuse box cover for specific details.
Generally, if both the side lights stopped working after attempting to install LED bulbs, it's possible that the LED bulbs might not be compatible or there could have been an issue during installation.
Here's what you can do:
Check the Fuse Box: Look for a blown fuse related to the side lights. Use a fuse tester or visually inspect the fuses to find the one that's blown. Replace it with a fuse of the same rating.
Verify LED Bulb Compatibility: Some LED bulbs might need specific adapters or resistors to function properly in certain vehicles. Ensure the LED bulbs are compatible with your X-Trail T31 model.
Double-Check Installation: Reinstall the bulbs carefully, making sure they are properly seated and connected. Sometimes, improper installation can cause lights to malfunction.
If after replacing the fuse and re-installing the bulbs correctly the issue persists, it might be beneficial to consult a professional or an auto-electrician for a more detailed inspection. They can diagnose the electrical system to identify any underlying issues causing the side lights to malfunction.
