This listing features one pair ( 2 pieces) H4/9003/HB2 DRL anti-flickering relay harness to avoid the DRL / daytime running light flickering on-off after you install the led bulbs for Lexus or Toyota vehicles at below situations, due to led bulbs draw much less current than stock lamp, directly plug and play, easy installation.
1.) The LEDs light up intermittently or flicker in the DRL mode.
2.) Both LEDs light up full power when the Front Main Beam is on.
Cross Reference No.: HB2, 9003, H4, H4LL, etc.
