Ok. I've noticed it a few times. My lights, all of them, will flicker under acceleration. It has done it under 3/4 throttle, but I noticed tonight when I went wot it was really bad. I took the vid to show it. First time I did it, it was a bit worse. https://youtu.be/0bHP07jOmHQ
I'm thinking alternator?
I agree with CHI, make sure all connections are clean and tight!
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