Adapter: H4 Male > H1 Female GMC Every element of the 1Banger

Every element of the 1Banger is proprietary

The Industry Standard: ACME H1 HID bulbs are precise

mesh covered high voltage insulation

or splicing involved

Adapter: H4 Male > H1 Female GMC Every element of the 1BangerUseful: Sometimes "this" just doesn't plug into "that" When the industry standard for aftermarket lighting calls for mostly 9006 Female inputs, these adapters will come in handy. Go Direct: If your vehicle's stock headlight circuit is strong enough to power ballasts without a relay harness, these are the perfect solution for non 9006 headlight systems since almost all HID ballasts require a 9006 female input. Standard: These are standard equipment on