Buick Enclave headlight intermittently turns off and on, repeats with each restart on Buick Enclave

Some Buick Enclave owners report experiencing intermittent headlight issues, where the headlights turn off and on, particularly with each restart. This problem may be attributed to several factors, including a bad headlight bulb, a blown fuse, a faulty headlight relay, or a broken headlight wiring harness. Additionally, some owners notice flickering headlights shortly after being turned on, which could indicate issues with the ballast or other components, while slight flickering on one side may suggest a problem with the HID headlight system. Others find that toggling the headlight switch on and off provides only a temporary fix, hinting at potential wiring or relay connection problems. To address these concerns, it is advisable to check the headlight bulbs, fuses, and relays for damage, inspect the HID system components, and verify the condition of the wiring harness. If these troubleshooting steps do not resolve the issue, seeking professional assistance is recommended for a proper diagnosis and repair.