Alla Lighting H4 9003 Hi/Low Relay Wiring Harness with High Heat Ceramic Plugs for Fixing LED Bulb's Flicking Error Code

This listing features one pair of relay harness for solving the issue of flicking or error code when you upgrade the stock halogen lamp to LED bulbs.A harness maybe necessary when installing LED bulbs, whether it's due to low voltage DRLs, flickering from automatic bulbs, CAN-Bus systems, or just weird unexplained issues.Features: ---- Dual HD waterproof relays with mounting brackets---- Common ground connection (at the battery)----Bring more safety with the high heat ceramic plugs and the built-in fuse ----Heat shrink with adhesive so they don't slide off ----25A fused power wire----Heavy gauge wiring1 - H4 male input2 - H4 female outputThis harness wil fix: Dim Beams Back feeding power Flickering bulbs Malfunctioning Beams when using hi/s Overloading the bulb's switch Overheating plugs

• Dual HD waterproof relays with mounting brackets
• Common ground connection (at the battery); Cross reference number: H4, 9003, H4LL,etc.
• Solving the issue of flicking or error code when upgrade the stock halogen lamps to LED bulbs for some vehicles and motorcycles
• 25A fused power wire; Heavy gauge wiring: H4 male input and H4 Female Output
• Plug n play with all high low beam Alla Lighting H4 LED bulbs