Alady 3157 LED Load Resistor Relay Harness Kit — Dual 50W 6Ω Canbus Fix for Hyper Flashing & Error Codes

Alady 3157 LED Load Resistor Relay Harness Kit is a plug-and-play dual 50W 6Ω resistor relay set that fixes hyper flashing, error codes, flicker and random shut-offs for most 3157-series LED turn, tail, and parking lights.

Replacing incandescent bulbs with low-wattage LED lamps often triggers your vehicle’s computer to show bulb-out warnings or causes rapid flashing and intermittent lighting. This Alady kit adds the electrical load the system expects, stabilizing current draw so the car recognizes the LED and the lighting behaves like the original bulbs. The set includes two pre-wired relay harnesses fitted to standard 3157 sockets for easy installation on compatible parking lights, turn signals and taillights.

How does this harness stop hyper flashing and error messages?

The harness provides a 50W 6Ω resistor on each circuit so the vehicle’s on-board computer sees a similar current draw to the factory incandescent bulb. That prevents the system from flagging a bulb failure and eliminates rapid flash rates caused by low-resistance LED loads. Installation integrates the relay so the resistors only engage when the circuit is active, keeping behavior consistent with stock wiring.

• Dual 50W 6Ω resistors for high and low beam simulation
• Relay wiring isolates resistors until circuit activation
• Stops hyper flashing, amber fast blink and error codes
• Compatible with most after-market 3157 LED bulbs

Will installation be difficult for a DIYer?

Installation is designed to be straightforward: the harness uses an 18 AWG pre-wired plug-and-play socket that matches standard 3157 connections. No special tools or splicing are required for most installations—simply unplug the factory harness, plug in the Alady adapter and secure the resistor bodies to a heat-tolerant metal surface. However, check fitment for CK-type sockets and confirm your vehicle’s bulb type before ordering.

• Pre-wired 18 AWG harness for direct socket replacement
• Simple unplug-and-plug layout, no soldering needed
• Mount resistors to metal or heat-resistant areas only
• Not compatible with CK-type sockets—verify before purchase

What safety considerations should I know about the resistors?

These resistors produce significant heat when active; they are built for heavy-duty automotive use but must be mounted away from plastic, wiring insulation, and flammable materials. Use a metal mounting point or a high-temperature bracket and secure wiring away from moving parts. Follow the manufacturer’s warning to avoid contact burns or vehicle damage.

• Resistors become extremely hot under load—avoid plastic mounting
• Attach to vehicle chassis or metal bracket with adequate clearance
• Route and secure wires to prevent chafing and heat exposure
• Allow cooling time before handling after powering lights

Which lighting issues will this kit resolve and which might remain?

This Alady harness resolves most common LED retrofit problems tied to low electrical load: hyper flash, false bulb-out warnings, flicker, and random shut-offs in many DRL and turn-signal circuits. It will keep DRLs at full brightness in systems that default to high-beam output when resistors are present. Complex vehicle-specific decoders or advanced CAN systems may still require manufacturer-specific adapters or coding.

• Fixes hyper flash, flicker, and OBC bulb-out errors in many cars
• Stops intermittent shut-offs and strobing caused by low load
• Maintains DRL full-bright mode where applicable
• May not cure certain CAN-bus per-channel decoders or complex modules

Who is this for: The Alady 3157 LED Load Resistor Relay Harness Kit is intended for vehicle owners and installers converting to 3157-series LED bulbs who experience hyper flashing, error messages or flicker after retrofit. It suits DIY mechanics, aftermarket installers, and anyone using standard 3157 sockets (not CK-type) seeking a reliable, heavy-duty, plug-and-play electrical solution. If your car uses advanced factory decoding or proprietary sockets, verify compatibility before purchase or consult a professional installer.