Rob,
Does your old hazard switch have the same terminal numbers as the pic that you posted? Or does it not have a terminal #30b, but has a terminal #59d?
If your old switch has the terminals shown in the pic, and your new switch has a terminal #59d, then do not make a connection to terminal #59d. Cap the unused Y/BK.
The LB and the LB/BK can be interchanged, as LB is for the right turn signals and LB/BK is for the left turn signals.
John
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