Tail Lights suddenly not working?

Hi, this is Bo, an auto expert on RepairPal's Car Genius team! So your 2005 Mercury Grand Marquis is playing a game of hide and seek with the tail lights? Since your brake lights are working and the fuses are good, you're right to suspect the lighting control module (LCM). It’s like the conductor of an orchestra—if it’s not in tune, things go quiet. If it was previously recalled for headlight issues, it might just be time for a recheck. I'd recommend having the LCM inspected, as it could be the culprit behind your tail light troubles. If you need further advice or want help finding a trusted RepairPal shop in your area, please call us at 877-913-1554!