'99 turn signal repair

I've got a '99 Trans Am and I need to replace a light bulb for my front turn signal. Does anybody know how to access it easily? I
can't get at it from the front of the light since there are no fasteners on the front. I can't seem to access it from the engine compartment. My only idea would be that there's a plate underneath the cowl that seems removable and I might be able to get up in there that way. Any help would be greatly appreciated.
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