Troubleshooting Your Morimoto Headlights: What to Do If They Won't Turn On

At The Retrofit Source, we understand the concern when your newly installed Morimoto headlights don't light up. But before you worry too much, we've got your back with some troubleshooting steps to pinpoint the issue.

What Could Be Wrong With My Morimoto Headlights?

When your Morimoto headlights fail to illuminate, there can be several underlying causes. These might range from simple installation errors to faulty connectors, and knowing what to check can be a lifesaver. Here are the top five common causes for this issue:

  1. Misaligned Connector Pins: One of the most common issues lies with the connector pins inside your Morimoto headlight plugs. If these are bent or misaligned, they may fail to make the necessary contact for your lights to work. A careful inspection can reveal this problem.
  2. Installation Errors: Sometimes, it's as simple as an oversight during installation. Ensure that all plugs are properly connected and not backwards. A quick review of the installation guide can help you spot and rectify any errors.
  3. Blown Fuses: A blown fuse could be another culprit stopping your Morimoto headlights from shining. Check all headlight-related fuses in your vehicle's fuse box, and replace any that are faulty.
  4. Incompatibility Issues: Depending on your vehicle's trim level and factory options, some Morimoto XB LED headlights might not be compatible. Be sure to read our compatibility guide before purchasing to avoid this potential problem.
  5. Defective Headlights: If only one headlight is failing to illuminate, try installing the working headlight on the defective side. If the problem follows the headlight, you may have received a defective product.

What Should I Do if None of the Troubleshooting Steps Work?

If you've followed the above troubleshooting steps and your Morimoto headlights still aren't functioning, we're here to help. Please don't hesitate to reach out to us at The Retrofit Source. Our dedicated customer service team is ready to assist you. You can contact us at 404-220-7940 or email us at