H4 Low Beam HID Conversion Kit Universal Single Beam Relay Wiring Harness

Add to Cart
Harness uses rare KET ballast connectors. Most HID Kits use AMP connectors which are not the same. Made for single beam H4 / 9003 size.



Easy and Simple installation. Usually takes less than 10 minutes! "Plug-and-Play" in most vehicles. Some vehicles may need professional installation. The manufacturer provides free full technical support with hundreds of thousands of satisfied users. The BlingLights friendly and experienced team is happy to help you with any questions or issues with the installation.

Includes: relay harness



Protects your HID system by drawing stable current directly from your battery

No more flickering due to low electrical current

2 x 30 Amp relays and 2 x 20 Amp fuses

High Quality materials for maximum durability and performance

One relay harness powers both driver and passenger sides

Fits all single beam bulbs - H4 / 9003 (contact us for other sizes)
    • Brand BlingLights
    • Mfg Part # BL2k3-3509
Payment Methods
Shipping USPS, FREE Shipping
Shipping Policy

For a limited time, get free standard shipping on every purchase.

Return/Exchange Policy

We accept Returns for up to 60 days after purchase. Items must be in new condition when returned.

Please Login or Register first before asking a question.
More from BlingLights's Store