Bulb Adapters

[Milanotyper]

Hey,

New to the forum, already have a question however can't find an answer using the search function.

Wanting to do a facelift headlight conversion, when looking at the how-to another member posted an ebay link to what appeared to be a simple plug in conversion harness. Can anybody tell me more about these?

Could I simply buy the appropriate connector for each bulb and connect it the correct pin on the h4 plug?

For example connect a H1 holder/connector to the dipped beam pin? (assuming that's how the pins work)

I have little knowledge of car electrics as you may be able to tell.

Thanks.