yes any US dealer should be able to get them. or you could find them in junkyard. i know celica models with HID use them, also prius, and sienna with HID.
sorry, i dont have pics of the harness right now, but see these prius headlight pics.
http://cgi.ebay.com/ebaymotors/_Car-Truck-Parts-Accessories__06-07-08-09-TOYOTA-PRIUS-RIGHT-PASS-HID-headlight-OEM_W0QQitemZ220378722695QQ
http://cgi.ebay.com/ebaymotors/_Car-Truck-Parts-Accessories__06-07-08-09-TOYOTA-PRIUS-LEFT-DRIVER-HID-headlight-OEM_W0QQitemZ220378720737QQadiZ2865QQ
they use same exact levelling motor as subaru