I was trying to look up parts online to see just how much it would cost if I mess this up.

The part # on the LED module is:
97 BG 15K603 AA

The part # on the whole assembly is:
XS2X-046B38-ABW

Neither one is listed on www.fordpartsonline.com. Is there anywhere else I could try?

CM.

99 Mercury Mystique V6 Black
KKM, 9006 BV Bulbs, Painted Calipers, 16" Cougar Rims
Alpine 7894, CDT HD62DT front, CDT Coaxials rear, ,Mmats Pro 10's. POS amp. No RICE.