Headlight Harness Question

[DaveyX87]

I want to upgrade my headlights soon. I noticed Kirban has the H4 harness. I also see that Casper's has a headlight brightener harness? Are these the same thing? If not, should I get both? I'm confused when it comes to wiring. Thanks.

 

[Roc87]

Kirbans includes the hotwire harness along with the H4 housings & bulbs,
Casper's is a hotwire kit for the stock sealed beam headlights

 

[RmvBfrFlght]

The H4 hi/low beam bulb has a different pin out then the stock sealed beam bulb/lamp. This is a main difference in headlamp/relay kits.

Mix them up and the hi/low headlights (outer) won't work correctly.

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