Adapter: H4 Male > H13 Female GMC Upgrade your lighting game with

Upgrade your lighting game with the advanced third-gen MotoControl 8-Pin Relay

If in the rare case something goes wrong

lower profile for an easier installation

Also available with oval shape (TS3001V)

Adapter: H4 Male > H13 Female GMC Upgrade your lighting game withUseful: 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