CAR & BIKE
2026.03.07
【Custom】Direct battery connection for stable lighting! Dedicated relay harness prevents fog flickering
Lighting is what beautifies your beloved car after sunset. However, replacing with high-performance LEDs often comes with issues due to unstable voltage. With a dedicated relay harness, you can guard against power shortages and flickering, ensuring ideal visibility!
Direct power supply from the battery
The genuine L1B fog bulbs adopted in new cars in recent years are designed for ultra-low power consumption at only 3.6W. Therefore, there are times when you may feel insufficient visibility during nighttime driving.
However, when you replace them with bright LED bulbs, there can be troubles such as flickering while driving or one side going out due to the power limitations specific to the latest vehicles. In fact, there are cases where operation becomes unstable due to voltage fluctuations when the accelerator is released...
However, when you replace them with bright LED bulbs, there can be troubles such as flickering while driving or one side going out due to the power limitations specific to the latest vehicles. In fact, there are cases where operation becomes unstable due to voltage fluctuations when the accelerator is released...
The "LED HID Single Bulb Power Stabilizing Relay Harness" is here to solve such lighting troubles and maximize performance. It is developed by FCL, a company known for custom parts for cars and motorcycles.
By supplying power directly from the vehicle’s battery, it eliminates troubles like flickering and non-lighting due to insufficient voltage. Even when using custom bulbs that require high current, it minimizes the load on factory wiring and reduces the risk of electrical system issues.
It has been confirmed to work with H1 to HB4 as well as the latest vehicles adopting L1B, such as Delica Mini, Roox, and Land Cruiser 250. Users waiting for delivery can safely introduce it. While protecting the delicate electrical systems of the vehicle, they can fully enjoy their ideal lighting customizations.
It has been confirmed to work with H1 to HB4 as well as the latest vehicles adopting L1B, such as Delica Mini, Roox, and Land Cruiser 250. Users waiting for delivery can safely introduce it. While protecting the delicate electrical systems of the vehicle, they can fully enjoy their ideal lighting customizations.
Product name / LED HID Single Bulb Power Stabilizing Relay Harness
Price / 2300 yen
Set contents / 1 relay
Price / 2300 yen
Set contents / 1 relay
●WiNEEDS HOLDINGS














![[Tokyo, Higashi Ueno] We visited the apartment hotel "Sumu," which is experimenting with a new form of travel.](https://cdn.clipkit.co/tenants/1046/articles/images/000/028/461/large/1443fd84-7dbb-428e-97bf-06be715fabd8.jpg?1770843822)




![[Interview] The Garage Life of Katsumi Nagasawa, Who Has Acquired His "Dream Garage" Surrounded by Motorcycles](https://cdn.clipkit.co/tenants/1046/articles/images/000/027/134/large/2c04cd50-893a-46e7-8923-271afb3ca9bf.jpg?1765055055)
FASHION
OUTDOOR
WATCH
CAR & BIKE
SNAP
DINING
LIFE
GADGET
GOLF