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1156 LED Bulbs (BA15s)

Upgrade turn signals, brake lights, reverse lights, and other single-contact applications with Underground Lighting 1156 LED bulbs. Shop amber, red, and white BA15s replacements, including no-hyperflash options with built-in resistors.

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1156 LED Replacement Bulbs for Turn Signal, Reverse & Brake Applications

The exclusive Underground Lighting collection of 1156 bulbs features single-filament automotive bulbs with a BA15s bayonet base, two parallel side pins, and one bottom contact point.

The 1156 format is widely used in rear turn signals, reverse and backup lights, tail or position lights, and motorcycle lighting systems. As a single-intensity bulb, it differs from the 1157 dual-contact format and is not interchangeable with BA15d or BAY15d sockets.

The products in this category are 1156 LED replacement bulbs engineered to upgrade the original approximately 27W incandescent 1156 bulb to a low-power, high-efficiency LED system.

These LED bulbs run on standard 12V DC automotive systems and typically draw about 3–10W, reducing current draw while increasing brightness and service life.

This Collection Includes

1156 Amber Turn Signal LED With No Hyperflash and Built-In Resistors

Designed for front or rear turn signal applications, these amber LEDs replicate the proper electrical load using integrated resistor circuitry to help prevent hyperflash and bulb-out warnings.

1156 White CANBus LED With No Hyperflash

Optimized for reverse and backup light use, producing a clean white output of approximately 6000K for improved rear visibility and camera clarity.

1156 Red Brake or Turn Signal LED With No Hyperflash

Designed for compatible rear brake or signal applications in red-lens housings while maintaining the correct red lighting output.

All bulbs use a bayonet twist-fit installation method, requiring insertion and rotation to lock securely into the BA15s socket.

Because LED diodes can be polarity-sensitive, correct orientation is required unless the bulb includes non-polarity circuitry.

Electrical & Functional Integration

OEM 1156 Specifications

  • Voltage: 12V DC
  • Wattage: Approximately 27W incandescent
  • Base: BA15s single-contact
  • Beam pattern: 360-degree filament glow

1156 LED Specifications

  • Voltage: 12V compatible
  • Wattage: Approximately 3–10W
  • Output: Approximately 1,000–2,500 lumens on high-power models
  • Illumination: Instant-on
  • Heat output: Lower than traditional incandescent bulbs

LED versions reduce electrical load, which can cause hyperflash or dashboard error codes in modern vehicles because of their lower current draw.

This collection specifically features built-in resistor CANBus-ready designs, helping eliminate the need for external load resistors in many compatible applications.

Color & Legal Compliance Alignment

  • Amber, approximately 2000K: Commonly required for front and rear turn signal applications
  • Red: Used for compatible brake or rear position lamps
  • White, approximately 6000K: Used for reverse and backup lights, as well as some DRL applications

Bulb color should always match the intended lighting function and lens configuration to maintain proper exterior-lighting performance and applicable road-use requirements.

Compatibility & Retrofit Clarifications

1156 vs 1157

The 1156 uses a single bottom contact, while the 1157 uses dual contacts for dual-intensity operation.

These formats are not interchangeable, and incorrect installation may result in non-function, improper lighting operation, or socket damage.

1156 vs 7506

The 1156 and 7506 are electrically similar in many applications, but naming conventions and exact base specifications can vary by region and manufacturer.

Base verification is recommended before purchase.

Housing Compatibility

Most 1156 bulbs operate inside reflector-style housings. LED replacements should provide wide-angle light dispersion, typically between approximately 270 and 360 degrees, to reduce hotspots and uneven illumination.

Whether you prefer the power of HIDs or the efficiency of LEDs, Underground Lighting offers complete lighting upgrades for a wide range of automotive applications.

Browse Headlight Bulbs, Fog Light Bulbs, Reverse Lights and Brake/Tail Light bulbs for essential performance improvements.

Enhance style and safety with Switchback Turn Signal Bulbs and Turn Signal Light Bulbs.

Upgrade your system with HID Ballasts, Resistors/Decoders, HID Lighting Accessories and professional-grade conversion kits.

Enter your vehicle details in the Bulb Finder and shop with greater confidence in fitment.

Why Choose Underground Lighting 1156 LED Bulbs?

  • Instant-On Illumination for Faster Signaling

    Underground Lighting 1156 LEDs illuminate instantly, improving brake and turn signal response compared with the warm-up delay of traditional filament bulbs.

  • No Hyperflash With Built-In Resistors

    Selected Underground Lighting bulbs use integrated resistor circuitry to simulate halogen current draw, helping prevent rapid flashing and bulb-out warnings.

  • Up to 70–85% Lower Power Consumption

    Underground Lighting 1156 LED bulbs typically draw approximately 3–10W compared with about 27W for incandescent bulbs, reducing demand on the vehicle’s electrical system.

  • Cooler Operating Temperatures

    The lower power draw of Underground Lighting LED bulbs produces less heat around compatible sockets, reflector housings, and lenses than traditional incandescent bulbs do.

  • Long Service Life (20,000–50,000 Hours)

    Underground Lighting’s solid-state LED construction eliminates fragile filaments, helping reduce replacement frequency in regularly used lighting positions.

  • Secure BA15s Twist-Lock Installation

    The BA15s bayonet base provides Underground Lighting 1156 bulbs with firm mechanical contact and a stable electrical connection when properly inserted and locked.

How to Choose the Right 1156 LED Bulb for Your Vehicle

Confirm that your vehicle uses an 1156 / BA15s single-contact bulb, then match the LED to the lighting position, required color, available housing space, and electrical system.

  • Check fitment: Verify 1156 / BA15s using the original bulb, owner’s manual, or Vehicle Search Tool.
  • Choose the right color: Amber for compatible turn signals, red for rear signal/brake applications, and white for reverse or approved white-light positions.
  • Check hyperflash: Some vehicles may need built-in resistors or CANbus support.
  • Confirm housing space: Make sure the LED fits properly inside the existing housing.
  • Consider light distribution: Choose a bulb designed for even output in reflector housings.
  • Test after installation: Check flash rate, brightness, color, and dashboard warnings.

Watch these helpful Underground Lighting videos for step-by-step guidance, product details, and real-world installation tips.

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1156 LED Bulb FAQs

An 1156 LED bulb is commonly used in compatible single-contact automotive lighting positions such as turn signals, reverse lights, brake lights, parking lights, and some motorcycle applications. The exact use depends on the vehicle, socket type, and factory bulb specification.

1156 LED bulbs typically cost about $15 to $65 per pair, depending on brightness, LED chip quality, color, CANbus compatibility, built-in load resistance, heat management, and overall construction. 

Basic replacement bulbs are usually less expensive, while higher-output or no-hyperflash models with integrated resistors generally cost more. Current retail listings show substantial variation within this range.

No. An 1156 bulb is a single-contact, single-intensity bulb, while an 1157 uses a dual-contact base designed for two lighting intensities. Their base and pin configurations also differ, so the replacement bulb should match the original socket specification.

It can. LED bulbs draw less current than traditional incandescent bulbs, and some vehicles interpret the lower electrical load as a failed turn-signal bulb. This can cause rapid flashing, commonly called hyperflash. An 1156 LED with built-in load resistance or an appropriately installed external resistor can help correct the issue on compatible vehicles.

Not always. You usually need load resistors only when installing an 1156 LED causes hyperflash, a bulb-out warning, or another load-related error. Some 1156 LED bulbs include built-in resistance, which may eliminate the need for an additional external resistor depending on the vehicle.

Choose the bulb color according to the lighting position and vehicle requirements:

  • Amber: Commonly used for turn signals
  • Red: Commonly used for brake lights or rear signaling
  • White: Commonly used for reverse or other white-light applications

The bulb color should match the intended lighting function, lens configuration, and applicable local requirements.

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