Alla Lighting H4 9003 Hi/Low Relay Wiring Harness With High Heat Ceramic Plugs for Fixing High Low Beam LED 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 headlamp to led Beam.A harness maybe necessary when installing LED Beams, whether it's due to low voltage DRLs, flickering from automatic Beams, 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 wiring

1 - H4 male input

2 - H4 female output

This harness wil fix:

Dim Beams

Back feeding power

Flickering Beams

Malfunctioning Beams when using hi/s

Overloading the Beam switch

Overheating plugs