Adapter: H4 Male > H13 Female GMC Also available with oval shape

Also available with oval shape (TS3001V)

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This new version was designed to retrofit ATV and snowmobile applications

Adapter: H4 Male > H13 Female GMC Also available with oval shapeUseful: 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