2-Pack 1156 / 1157 BAY15D Pre-Wired Bulb Socket Adapter

Upgrade or extend your vehicle's lighting setup with ease using these plug-and-play BAY15D lamp holder adapters. Whether you're replacing a worn-out socket, adding an extra light outlet, or converting bulb types, this pre-wired connector set makes the job simple — no mechanic or special tools required.

Key Features

Universal Compatibility: Works with P21W, 7528, 1156, 1157, BA15S, BAY15D, BAU15S, 7440, 7443, 7506, 2056, and 1141 bulbs
Pre-Wired Plug-and-Play Design: 12–18 cm wire leads for quick, tool-free installation
High-Efficiency Copper Wiring: Ensures reliable conductivity and long-lasting performance
Heat-Resistant Nylon Body: Built to handle the thermal demands of automotive lighting
Durable Construction: Made from a blend of plastic, ABS, nylon, and metal components
DC 12V Compatible: Designed for standard 12V automotive electrical systems
Create Extra Light Outlets: Ideal for lighting extension or replacement applications
Brand New: 100% new components straight from the factory

Specifications

Voltage	DC 12V
Material	Plastic, Metal, ABS, Nylon
Style	Pre-Wired Plug
Wire Length	12–18 cm
Compatible Bulbs	P21W, 7528, 1156, 1157, BA15S, BAY15D, BAU15S, 7440, 7443, 7506, P21W, 2056, 1141
Country of Origin	Made in China

What's in the Box

2 × LED Light Socket Adapters (pre-wired)

Please Note: These are batch-produced items. Color of the socket housing may vary slightly between production batches. This is a normal variation and not a defect.

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For more information on automotive electrical safety standards, visit the U.S. Consumer Product Safety Commission (CPSC).

Frequently Asked Questions

Q: What bulb types are compatible with these BAY15D socket adapters?

A: These 1156/1157 bulb socket adapters are compatible with a wide range of bulb types, including P21W, 7528, 1156, 1157, BA15S, BAY15D, BAU15S, 7440, 7443, 7506, 2056, and 1141 — making them highly versatile for most standard automotive lighting applications.

Q: Do I need a professional to install these bulb socket connectors?

A: No professional is needed. These pre-wired plug-and-play adapters are designed for easy DIY installation. Simply connect the wires to your vehicle's existing electrical harness — no special tools or mechanical expertise required.

Q: Are these sockets suitable for LED bulb upgrades?

A: Yes! These adapters are LED-compatible and are a great solution when upgrading from traditional bulbs to LED replacements in your turn signals, brake lights, reverse lights, or parking lights.

Q: Why might the color of the socket differ from what's shown in the photos?

A: These are manufactured in batches, and the housing color can vary slightly between production runs. The difference is purely cosmetic and does not affect functionality or compatibility in any way.