Ace, I think there is a switch on the instrument panel that controls exterior light brightness. I would also warn you that if you're flying any of the tactical versions of the C-130 their exterior lighting isn't going to be very bright anyway. This drove me nuts for a while when I first got Cpt Sims C-130. I couldn't figure out why my landing lights were so dim. Wasn't until I started flying the Coast Guard variant that it dawned on me why the lights were so dim.......pretty embarassing for a career military man.
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