Hey Chase - Great work on these. Two thoughts come to mind, but of course feel free to disregard. I would buy both, and am happy to send you my removed seatbelt light panel for #2 below if that would be helpful.
#1 - Re: Fj62 HVAC panel - Is it possible to do a cutout for the 80 series front/rear locker switch (PN 84725-60020)? Seems like a good spot for it.
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#2 - How about an indicator light panel that fits in the spot below the tac in the center of the instrument cluster? On my 62 the only light is the seatbelt indicator, and there are 2 screws holding it in. Not sure if the 60 is a good candidate for this or not. Seems like a great piece of unused real estate to me.
Newvintageusa.com sells something similar for reference.
Link
And the indicator images have been discussed here as well.
Link
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