Trying to replace complete headlight assembly on my 2001 Lexus ES300. My current headlights have three wire harnesses and a ballast box on the bottom but the be set only has two outlets for power. Can anyone explain what the third plug is for or why the new set wouldn’t have that set up?

I can’t even find a part number for the assembly that matches my current headlight power setup - any suggestions appreciated!



This black box on the bottom of the headlight is not on the new set I ordered and doesn’t seem transferable

 

3rd plug is for auto leveling I'm guessing your replacements are halogen without that feature. To put in the halogens you'll have to do some wiring cutting/splicing.