Posts Tagged: tail light bulb

Tail lights not working but brake lights are: Here’s the fix

Troubleshooting Guide: Tail Lights Not Working But Your Brake Lights Work Many automobile manufacturers utilize dual filament bulbs for brake lights and tail lights. The brighter filament serves the brake lights and turn signal function, while the smaller, dimmer filament is designated for the tail lights. If your tail lights don’t work but the brake lights do, one of the filaments within the dual filament bulb has likely burnt out. In this image, you can see the dual filaments. Step 1: Remove the bulb and check for a burned-out or … Read More