Special LED Daytime Running Light Decoder Wiring Relay Kit for installing LED bulbs on high beam as DRL lamps
4.5 (1,234)
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$15.99
Color
Black
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Quantity
1
Description
Features
Special DRL decoder wiring kit helps resolve these problems associated with using LED bulbs for drl/high beam
Only one LED bulb lights up when both LED bulbs are installed.
LED bulbs both light up, but very dim.
Suitable for mos...
Reviews
4.6
9 ratings
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Good product but was about 24 inches to short.
Gilbert · January 27, 2026
The Problem: I installed this DRL harness on my 2015 Mazda 6. While the kit successfully powers the high beam bulbs as a low-power DRL, it completely disables the standard high beam function. When you activate the high beam switch, nothing happens.
Troubleshooting: This is a product incompatibility issue, not an installation error. I have confirmed all wiring is correct and have even been in contact with support. I was instructed to return the item but at my cost (Return policy by iJDMTOY.)
Most importantly, when I remove this harness, my high beams work perfectly.
Note: I have successfully installed and used the exact same iJDMTOY kit on my 2012 Mazda 3, where it works flawlessly but on my 2015 Mazda 6 this kit does not work.
F
Fahad · October 14, 2025
Fixed my problem perfectly in a Lexus RX 330. At least for my car the resistor needs to go on the passenger side, not the drivers.