How do I change the headlight bulbs on a 97 chevy blazer?

i just got 2 bulbs, and have absolutely no idea how to get down into the back of the lamp. i opened the hood and i think i need to take off the grill but when i take off all of the bolts, it still stays in place. what do i do??????
How do I change the headlight bulbs on a 97 chevy blazer?
the whole big thing comes out. unscrews, then unsnaps
How do I change the headlight bulbs on a 97 chevy blazer?
Im not sure what the headlight looks like from the view under the hood, but in my 03 tahoe, you have to move one prong to the left and one prong to the right then the bulb can be removed.

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