35W 55W Xenon Headlamp Kit Dual-Relay Wiring Harness for Hi/Lo Headlight Fog DRL

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SKU AA1089-1
Bulb Size

This auction features one set brand new dual-relay wiring harness for H4 or 9007 or H13 Xenon Headlamp Kit. This specially designed double-relay harness will allow you to install 4 pieces HID lamps using a single relay setup such as controlling the headlight and fog lights together.

The relay will be exactly like the one shown on the picture above.


  • 1 set
  • Compatible with H4 (9003, HB2), 9007 (9004, HB5) or H13 (9008)
  • 40AMP double-relay
  • In-line safety fuse included
  • Connect up to 4 pieces of HID lamps
  • For both driver side and passenger side HID headlights
  • For both high beam and low beam together
  • For both headlights and fog lights together
  • For both 35W or 55W HID system
  • Extend the lifespan for Xenon Headlamp Kit
  • Solve some vehicles' HID not working issue


  • Connect A1 A2 A3 A4 to HID ballast
  • Connect B1 B2 B3 B4 to ground
  • Connect C1 to battery positive
  • Connect C2 to either side of the stock harness

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