SEWICK T15 LED Reverse Light Bulb User Manual

Introduction

Thank you for choosing the SEWICK T15 LED Reverse Light Bulb. This manual provides essential information for the safe and effective installation, operation, and maintenance of your new LED bulbs. Please read this manual thoroughly before installation and keep it for future reference.

Specifications

Feature	Detail
Model	T15 / W16W / 921 / 912
Application	Automotive Reverse Light Only (also suitable for Parking Light)
Working Voltage	DC 12V
Light Color	White (6000K)
Lumens	2400LM
SMD Type	45pcs 4014SMD Highlight Chips (Top 9pcs, around 36pcs)
Interface Type	T15
Fitment	Plug and Play (fits 99% car models)
Lifespan	≥ 50,000 hours
Operating Temperature	-40°C ~ +80°C
Waterproof Rating	IP65 Waterproof
CANBUS	Yes, No Error, No Hyperflash
Dimensions	Length: 40.6mm, Top Width: 14mm, Base Width: 9mm

Figure 1: T15 LED Bulb Parameters and Dimensions. The image details the base type (921/T15 W16W), SMD type (45pcs 4014SMD Highlight Chips), light color (White), temperature range (-40°C~+80°C), waterproof rating (IP65), installation method (Plug and Play), work voltage (DC 12V), and LED lifetime (50,000 Hours). Dimensions are also shown: 40.6mm length, 14mm top width, and 9mm base width.

LED vs Halogen Bulb Performance Comparison

Figure 2: Performance comparison between the SEWICK LED bulb and a standard Halogen bulb. The LED bulb offers a start time of 0.001 seconds (vs 1.0s for halogen), a lifespan of 50,000 hours (vs 1,000 hours), and a lighting distance of 25 meters (vs 10 meters), both operating at DC 12V.

Package Contents

T15 LED Reverse Light Bulbs (Quantity as per order, e.g., 100 pieces)

Safety Information

For 12V vehicle use only. Do not use in vehicles with different voltage systems.
Do not touch LED beads with bare hands. Oils and dirt from skin can reduce the lifespan and performance of the LEDs.
Always turn off the vehicle engine and ensure the vehicle is safely parked before attempting any installation or maintenance.
Wear appropriate safety gear, such as gloves, during installation.
Keep out of reach of children.
If you are unsure about any step of the installation process, it is recommended to seek professional assistance.

Setup and Installation

These LED bulbs are designed for plug-and-play installation. Follow these steps carefully:

Turn off the vehicle engine and ensure the vehicle is safely parked with the parking brake engaged.
Locate the tail light assembly on your vehicle.
Open the tail light cover (refer to your vehicle's owner's manual for specific instructions on accessing the tail light bulbs).
Carefully take out the reverse light socket from the assembly.
Remove the original incandescent bulb from the socket by gently pulling it out.
Insert the new T15 LED bulb into the socket. Ensure it is fully seated.
Reinstall the socket back into the tail light assembly.
Close the tail light cover.
Test the new LED bulb by engaging reverse gear (with the engine running or ignition on, depending on your vehicle's system) to ensure it illuminates correctly.

Video 1: Demonstration of T15 LED bulb installation into a socket and testing its illumination. This video shows the plug-and-play nature of the bulb.

Figure 3: Illustrates the wide application of T15 LED bulbs as replacements for 921/T15 W16W sockets in various vehicle types. Note that application may vary by vehicle, and these bulbs are suitable for back-up reverse lights and parking lights.

Operating Instructions

Once installed, the T15 LED reverse light bulbs operate automatically with your vehicle's electrical system. They will illuminate when the vehicle is put into reverse gear or when the parking lights are activated, depending on their specific application in your vehicle.

Maintenance

SEWICK T15 LED bulbs are designed for long-lasting performance and require minimal maintenance.

Periodically check the bulbs for proper function.
If the light appears dim or flickers, ensure the connections are clean and secure.
Avoid using harsh chemicals to clean the bulbs; a soft, dry cloth is sufficient if cleaning is necessary.

Troubleshooting

Problem	Possible Cause / Solution
No light	Check the connection to ensure the bulb is fully seated in the socket. Verify the plug direction (some LED bulbs are polarity sensitive; try reversing the bulb in the socket if it doesn't light up). Check the vehicle's fuse for the reverse lights.
Dim light	Ensure the socket contacts are clean and free from corrosion. Reinstall the bulb, ensuring a secure connection.
Flickering or error code on dashboard	Some vehicles' CANBUS systems may detect LED bulbs as low power and trigger an error. If this occurs, please use an appropriate CANBUS decoder (resistor) for your vehicle.

Figure 4: Illustration of the CANBUS No Error feature, ensuring stable voltage and preventing hyperflash or dashboard error messages in compatible vehicles. The diagram shows stable voltage output from the bulb.

User Tips

While these bulbs are CANBUS error-free for most vehicles, a small percentage of sensitive vehicle systems might still require an additional decoder.
Always double-check your vehicle's bulb type before purchasing to ensure compatibility.
For optimal brightness and longevity, ensure the bulb is installed in a clean, dry socket.

Warranty and Support

SEWICK T15 LED Reverse Light Bulbs come with a 1-Year Warranty from the date of purchase. This warranty covers manufacturing defects. Please retain your proof of purchase for warranty claims.

For support or warranty inquiries, please contact your retailer or the SEWICK customer service team.

SEWICK T15 / W16W / 921 / 912