It sounds like a bad connection at the bulb, or you got a defective bulb, we can check for power and ground at the bulb socket to confirm the failure. This guide can help:
https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester
With the high beams on you should have power to the wht/lt grn wire. Here is how to replace the bulb and get the wire you need to test. I included the headlamp wiring diagrams so as well so you can see how the system works. Check out the images (below). Please upload pictures or videos in your response of any problems so we can see what to help you with.
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Thursday, October 24th, 2024 AT 10:30 AM