• The H4 to 3 pins adapter Fits for: 4″x6″ 7″x6″ 5″x7″ inch Sealed Beam Headlights. 
  • The H4 9003 HB2 Wiring Harness Socket is needed when the porality on your vehicle are not standard to guarantee your 4″x6″ 7″x6″ 5″x7″ work normally. 
  • Product Name: Car Truck Headlight Socket Harness; Socket Type: H4/ 9003/HB2
  • Warranty: 1 Year; Please make sure the wire harness fit for your headlights and car models before purchasing.
  • Adjustable terminal locations make this adapter a perfect fit for three terminal, two terminal, rectangular or round sealed beam headlights. Easily converts LED headlights with H4 pinout to H4652, H4656, H4666, H6545, and others

Package Included:
2Pcs* H4 to 3 pins adapters