| i thought you would have checked. The fuses are labelled a bit funny cause mine reads like its only one fuse but i took #37 out and the rhs went out, left hand side stayed on. Anyway its irrelevant. I'd say it must be in the switch then.
Check and make sure the harness in the back of the switch is seated correctly i guess as a start. Ideally you need to temporarly swap one from a donor car to see if it makes a difference.
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