9004 Bi-Xenon HID Relay Harness

Accessory Type:
Relay Harness

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INTRODUCTION: The 9004 Bi-Xenon HID Relay Harness which will solve flickering issues on vehicles that have Autolamps or Daytime Running Lights.  These vehicles usually do not supply enough power for the HID Kit during start-up.  To fix this, the harness connects the HID Kit direct to the battery of the vehicle which gives it full power.

BI-XENON: This Relay Harness operates both the low and high beams on Bi-Xenon HID bulbs.

INSTALL: The 9004 Bi-Xenon HID Relay Harness is designed to install as simple as possible. You will connect the power wire to the positive terminal of the battery, connect the ground wire to the negative terminal of the battery, connect the yellow ring plug to the HID Ballast, and repeat the same steps on the opposite side of the vehicle. Lastly, you will connect the input plug to your HID power wire which triggers the HID Relay Harness to open or close.

INCLUDES: You will receive (1) 9004 Bi-Xenon HID Relay Harness.


  • Fixes Lack of Power Issues (Needed for Autolamps and DRLs)
  • Universal Design (Works with All HID Brands)
  • 1 Year Warranty (Directly Through Us)

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