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H4 to 9007 Headlight Heavy Duty Wiring Harness Upgrade

H4 to 9007 Headlight Heavy Duty Wiring Harness Upgrade




  • This kit is designed for those that converted their H4 Sealed Beam Work Trucks to use the 99-03+ headlights with 9007 bulbs.
  • This harness is Plug and Play and plugs directly into your existing head lamp wiring.
  • Designed to endure HIGH temperatures for added protection when running high wattage bulbs .
  • Anti-Corrosive Lead-Plated terminals for long life and good contact.
  • Easy to install, this wiring harness will supply battery voltage or more to your headlights.
  • This extra voltage will give you brighter, whiter headlights.
  • Simple plug and play installation using factory style connectors.
  • These are equipped with 2 heavy duty relays and a fusible link for safety!
  • Will NOT work with Daytime Running Lights!

Click here for install instructions

These kits are built on demand. Please allow 2-3 days for shipping.

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