Find illustrated, step-by-step instructions for installing SEALIGHT LED bulbs in this page. Upgrade your lighting with confidence using these comprehensive SEALIGHT LED bulb installation instructions.

You could find installation Manuals from https://sealight-led.com/page/installation-guides

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Website Layout Introduction

① Quick Product Search: Allows users to quickly search for desired products.

② Vehicle-Specific Bulb Matching: Input vehicle information to find all suitable bulb models, including headlights, fog lights, and all other types of bulbs.

③ Product Category Section: Products are categorized into specific sections for easy navigation.

④ Pre-sales and After-sales Assistance, and Website Policy Introduction: Customer help center, contact with customer service representatives, order information viewing, and order logistics tracking.

Return Policy

Sealight accepts authorized returns within 90 calendar days from the date the product was received by the buyer or original recipient unless otherwise specified at the time of purchase.

All authorized returns must be unused and in their original condition, including all items and components that were included in the original package. Items being returned must not have been disassembled, mounted, modified, or damaged due to incorrect installation or user error. sealight-led.com will not be held responsible for installation or labor expenses, towing expenses, additional repair expenses, or rental car expenses caused by the use of wrong or defective parts during installation.

For the detailed information about Sealight return policy, please refer to: https://sealight-led.com/page/warranty-return

Dashboard Error Issues

Self-diagnosis:

1. Check if the headlights match the vehicle model:

① Input your vehicle model on the website to verify if the bulbs match.

② Verify if the previously used headlight model matches the purchased one. You can find the specific model on the bulb base.

③ Confirm if the headlight model in the vehicle manual matches the purchased one.

2. Check if the plug is suitable; try flipping the plug.

If unable to resolve the issue through self-diagnosis, please Contact Customer Service for assistance.

Fogging Issues

Self-diagnosis:

1. Light fog:

① Park the car in sunlight or a dry area to dissipate the fog.

② Start the car and turn on the headlights to illuminate all functions; the fog should dissipate.

③ Drive the car; the fog inside the lights should clear.

2. Significant water accumulation:

① Check for headlight assembly aging.

② Inspect the sealing strip of the clamp for sealing issues.

If unable to resolve the issue through self-diagnosis, please Contact Customer Service for assistance.

Headlight Flickering Issues

Self-diagnosis:

Headlight dimming, flickering, or turning off after lighting up:

1. Check if one or both bulbs are flickering. If only one, switch the bulbs in the vehicle's sockets.

2. Confirm if the flickering bulb serves a single or multiple functions, such as functioning as both high and daytime running lights.

If unable to resolve the issue through self-diagnosis, please Contact Customer Service for assistance.

High and Low Beam Switching Issues

Self-diagnosis:

1. High and low beams not switching:

Check if the headlights match the vehicle model:

① Input your vehicle model on the website to verify if the bulbs match.

② Verify if the previously used headlight model matches the purchased one. You can find the specific model on the bulb base.

③ Confirm if the headlight model in the vehicle manual matches the purchased one.

2. High and low beams switch roles (e.g., selecting high beams turns on low beams):

① For bulbs like 9004 or 9007, try rotating the bulb 180°.

② Check if the purchased bulbs match the vehicle, as bulbs like 9004 and 9007 may appear similar.

③ It may be a decoder issue; contact customer service for assistance and provide a decoder.

If unable to resolve the issue through self-diagnosis, please Contact Customer Service for assistance.

Installation Issues

Self-diagnosis:

1. Check if the headlights match the vehicle model:

① Input your vehicle model on the website to verify if the bulbs match.

② Verify if the previously used headlight model matches the purchased one. You can find the specific model on the bulb base.

③ Confirm if the headlight model in the vehicle manual matches the purchased one.

If unable to resolve the issue through self-diagnosis, please Contact Customer Service for assistance.

Light Angle Issues

Self-diagnosis:

1. Verify compatibility:

a. Input your vehicle model on the website to verify if the bulbs match.

b. Verify if the previously used headlight model matches the purchased one. You can find the specific model on the bulb base.

c. Confirm if the headlight model in the vehicle manual matches the purchased one.

2. If there are angle issues after checking compatibility (one side has issues while the other is normal), try swapping the bulbs or adjusting the bulb's angle if it's adjustable.

If unable to resolve the issue through self-diagnosis, please Contact Customer Service for assistance.

No Light Issues

Self-diagnosis:

1. No light after initial installation:

① Check if the headlights match the vehicle model:

a. Input your vehicle model on the website to verify if the bulbs match.

b. Verify if the previously used headlight model matches the purchased one. You can find the specific model on the bulb base.

c. Confirm if the headlight model in the vehicle manual matches the purchased one.

2. Headlights match the vehicle model, but no light after installation:

① Check if the installation is correct and if the electrodes are in contact.

② Verify if the polarity is correct; try installing in a different orientation.

3. Headlights worked initially but stopped working after some time:

① Test for quality issues:

a. Swap the positions and see if the problem persists.

b. Try reversing the plug.

If unable to resolve the issue through self-diagnosis, please Contact Customer Service for assistance.

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BY VEHICLE

Headlights By Size

Headlights Series

Headlights Combo

Fog Lights by Size

Fog Lights Series

Other Bulbs

Decoders

Bulb Finder

Help Center

History Search

Hot Search

Search Result

BY VEHICLE

Headlights By Size

Headlights Series

Headlights Combo

Fog Lights by Size

Fog Lights Series

Other Bulbs

Decoders

Bulb Finder

Help Center