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HB1 9004 LED Decoder Canceler Capacitor CAN BUS Bulbs Kits
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How to Install 9004 LED Kits Bulb

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Item #: 16898001

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About this item

HB1 9004 LED decoders can bus canceler capacitor kits fix LED forward lightings bulb, daytime running light(DRL) flashing or flickering / cancels radio interference and light turning off when engine starts / cancels error message by OBC

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Height(Bottom to Holder)

Polarity Sensitive

Optional Colors

HB1 9004 LED decoders are used for fixing the headlights bulbs' malfunction of not light up for flickering on and off after changing halogen headlamps to LED replacement for American and European vehicles due to the led bulbs draw much less current than stock lamps.

Fore most vehicles, LED bulbs just plug and play, easy installation. For some European vehicles, extra LED resistors or decoders or DRL anti-flickering harness maybe required to avoid the flickering or error code.

HB1 9004 LED Decoder Canceler Capacitor CAN BUS Headlights Bulbs

HB1 9004 LED Decoder Canceler Capacitor CAN BUS Headlights Bulbs
  • Features

  • Packages: Includes one pair of mini HB1/9004 LED decoders.
  • Easy Installation: Check above installation video for more details. Average Installation time: 15-20 minutes
  • HB1 9004 LED decoders fix: Bulb Flashing or Flickering / Cancels Radio Interference and Light Turning off when Engine Starts / Cancels Error Message by OBC
  • HB1 9004 LED decoders can solve flickering, error code, non-function etc. problems of most vehicles, such as Mercedes Benz, BMW, Audi, Chrysler, MINI, Cadillac, Chevrolet, Doge, Hyundai, Jeep, Ford, etc.
    • Disclaimer: This HB1 9004 LED decoders can be compatible for most European vehicles, yet we can not guarantee it fixes all problems. IF IT DOES NOT WORK FOR YOU, PLEASE CONTACT US AND WE WILL FIGURE OUT A SOLUTION!
  • Cross reference number

ECE: HB1/9004

GM: 9441731, 8929968

Hella: 78162, 78162LL

Narva: 48004, 48035

Osram/Sylvania: 9004, 9004LL

Wagner: 9004, 9004LL

GE: 9004XL

Philips: 9004LL

  • Specifications

Clicking Sound




Base Type




Current Draw

4 Amps

Power Consumption


Operating Voltage

9V~18 VDC


Operating Temperature

-40~+80 °C (-40~+176 °F)

Cross Reference Number

HB1, 9004, 9004LL, HB1LL

Life Span

30, 000 hours


12 Months

  • Warranty

Alla Lighting warrants that its Bulbs will be free from defects in material and workmanship for ONE year from the date of purchase by the Original Purchaser. This warranty does not apply to any products that have been subjected to misuse, mishandling, misapplication, neglect (including but not limited to improper maintenance), improper installation, act of nature, motor vehicle accidents or alterations.

For more details, please click here.

  • Package


  • One pair (2 pieces) HB1/9004 LED decoders
  • Owner manual
  • Shipping

Domestic (U.S.) Shipping

All domestic (U.S.) orders ship with USPS, and all orders will be shipped out within 24 working hours (except out of stock items), Free standard shipping.

All Orders will be shipped out within 24 working hours.

International Orders maybe charged customs clearance.

More details, please click here.

  • Vehicle Fitment

Check whether this bulb can fit your vehicle or not, check Bulb Size Guide for more details, please input your vehicle's Make, Year, Model, Qualifier, Applications to fast locate products options.

  • LED Bulbs

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Customer Reviews

Based on 2 reviews
Gary R. (United States)
Vehicle's information: 2001 Dodge Ram 2500
Technical Help

The technical help I received from Alla Lighting was superior to none! I received an answer in 24hrs and ordered the correct part which came in just a few days. Hats off! to Alla Lighting and I will certainly share my experience with others and direct them to your site.

Randy W. (United States)
Vehicle's information: 2000 Dodge Ram 1500
Great product

This product did exactly what I needed it to do. Now I can use my fog lights without it automatically turning on my high beams

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