BYD
Chery
Geely
MGToyota Highlander High-Spec LED Projector Retrofit
A source-based reference for the pictured Highlander high-spec LED headlamp, covering cold-seal opening, reflector preparation, projector spacing, Toyota decoder wiring and final fitment.
2018–2021 Highlander High-Spec LEDHigh-Spec LED Bracket Application for the 2018–2021 Highlander
The supplied reference identifies a dedicated bracket set, projector spacing method and Toyota decoder for the pictured cold-seal Highlander LED headlamp.
- Model
- Toyota Highlander
- Years
- 2018–2021 reference
- Headlamp
- High-spec LED unit shown
- Bracket
- Vehicle-specific LED projector set
- Decoder
- Toyota decoder required
Open and reseal the OEM cold-seal housing with controlled heat and clean surfaces.
Add one rear nut and a 3–4 mm center spacer as shown.
Verify ground, signal, low-beam and high-beam connections before operation.
Projector Spacing, Decoder and Wiring Details
Follow the Marked Cut Line
Remove only the reflector material outlined in yellow.
Set the Projector Spacing
Add the rear nut and 3–4 mm center spacer shown in the source.
Verify Decoder Wiring
Confirm every wire function against the vehicle before connecting the decoder.
Confirm the Highlander High-Spec LED Headlamp
Reference Applies To
- 2018–2021 Toyota Highlander shown
- High-spec LED headlamp configuration
- Application-specific left/right bracket set
- OEM cold-seal housing
- Toyota decoder and wiring match the source
Not Automatically Confirmed
- Low-spec or halogen Highlander headlamps
- Highlander models outside 2018–2021
- Other regional headlamp housings
- Previously modified reflector bowls
- Unverified projector body dimensions or decoder wiring
Send Photos for Verification
Provide the vehicle year, headlamp label, front/rear views, reflector bowl and projector dimensions.
Highlander High-Spec LED and Decoder Installation Sequence
Open the Front Cover
Open the OEM cold-seal front cover while protecting the sealing channel and lens surfaces.
Remove the OEM Trim and Reflector
Remove the original trim and reflector bowl assembly from the headlamp.
Cut the Marked Reflector Section
Cut away only the yellow-marked section and clean the prepared edge.
Prepare Projector Spacing
Add one nut behind the projector and a 3–4 mm center spacer; trim the rear only if required.
Connect the Toyota Decoder
Connect the verified ground, signal, low-beam and high-beam wires, then plug in the decoder.
Install and Test the Projector
Install the bracketed projector, verify clearance and test low/high beam operation before resealing.
Detailed Installation Gallery
Match the LED Retrofit and Decoder as a Complete System
Vehicle-Specific Bracket Set
Confirm the left/right 2018–2021 Highlander high-spec LED brackets.
Compatible LED Projector
Confirm projector body size, front-mount pattern and rear clearance.
Toyota Decoder
Use the specified decoder and verify every signal wire before connection.
Spacer and Fasteners
Install the rear nut, 3–4 mm center spacer and supplied fasteners as shown.
LED Projector, Bracket and Decoder Installed
The completed reference shows the LED projector installed in the prepared OEM reflector assembly with the Toyota decoder connected.
- OEM cold-seal front cover opened
- Marked reflector section removed
- Rear nut and 3–4 mm spacer installed
- Toyota decoder wiring connected
- Clearance, beam aim and sealing require final verification
Toyota Highlander High-Spec LED Retrofit FAQ
Which Toyota Highlander headlamp is covered?
This reference covers the pictured 2018–2021 Toyota Highlander high-spec LED headlamp with an OEM cold-seal front cover.
Is a decoder required?
The supplied reference specifies a Toyota decoder for the replacement LED projector.
Which original connections are unplugged?
Disconnect the light-source power, drive-motor and shutter connectors shown before completing the new wiring.
What projector spacing is required?
Add one rear nut and a 3–4 mm center spacer, then trim the projector rear only if clearance requires it.
How is the decoder wired?
The source identifies black as ground, gray as signal, yellow as low beam and blue as high beam; verify the actual vehicle wiring before connection.
Technical reference: Based on Royalin-supplied installation photography for the pictured 2018–2021 Toyota Highlander high-spec LED headlamp. Verify the headlamp label, bracket points, projector dimensions, decoder wiring and clearance before ordering.
Related Headlight Retrofit Cases
Need This Highlander LED Retrofit Solution?
Send the vehicle year, headlamp label, reflector bowl, mounting points, projector dimensions and decoder wiring for matching.
Professional headlamp opening, trimming, installation, sealing and beam aiming are recommended.
