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Try both side switches, since common mod to flip the switches, so the passing lights are turning on with left hand, left side, and aux switch to the right, since not used often.
As for lights, without mod, they will not turn on with the high beams.
So really, pull head light to check wiring there to see if power and ground on the wires there (not a problem with the bulbs blown themselves, or led bulbs wired backwards and why they are not coming on), then you can check down line at the fuse box, for maybe a blow fuse.
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