Important: This online guide is a fitment-aware overview for the matched RIGNOX product. Before removing original parts or connecting wiring, review the installation reference images on this page and confirm the connector layout, transferred parts, wire routing, and vehicle-specific fastener locations for your exact vehicle.
Safety warning: Do NOT use dielectric grease or weather-sealing grease on connectors or sockets. Grease can cause connection problems and may affect warranty coverage.
Matched product
- Product: 2016-2021 Honda Civic 10th Gen Hatchback Sequential LED Tail Lights
- Product type: Tail lights
- SKU: T-CIV10H-SR, T-CIV10H-SRGB, T-CIV10H-SDG, T-CIV10H-CW
- Variants: Smoked Red; Smoked RGB w/ APP Control; Smoked Digital w/ App Control
- Fitment: Fits: 2016-2021 Honda Civic 10th Gen Hatchback.
- Product page: View matching RIGNOX product details
Product notes
- Sequential, startup, or animation functions are product/variant dependent. Test them before final reassembly.
- RGB/app-controlled functions apply only to RGB variants and should be used according to local road-lighting regulations.
- The matched product page references road-lighting compliance information. Review the product page for the exact compliance language for this item.
Before you begin
- Vehicle/product: 2016-2021 Honda Civic 10th Gen Hatchback Sequential LED Tail Lights.
- SKU check: Confirm your kit SKU or variant matches T-CIV10H-SR, T-CIV10H-SRGB, T-CIV10H-SDG before removing original parts.
- Reference-first workflow: Review the installation reference images on this page before removing trim or connecting wiring. This guide includes confirmed details from the available reference text and images.
- Power and safety: Switch the vehicle off before unplugging connectors. Disconnect the negative battery terminal when handling wiring, fuse taps, or exposed circuits.
- Protect the vehicle: Use clean towels or masking tape around painted panels and trim edges. Do not force clips or pry against painted surfaces.
- No connector grease: Do not apply dielectric grease or weather-sealing grease to connectors or sockets.
- Rear lamp note: Leave trunk, hatch, cargo, or tailgate trim open until every lighting function passes testing.
Reference image checkpoints
- Connector layout: Compare each vehicle connector, adapter harness, and included extension wire with the reference images before powering the RIGNOX tail lights.
- Inner and outer lamp sequence: If the vehicle has trunk-lid, hatch, through-light, or outer corner lamps, remove and reinstall them in the sequence shown in the reference images.
- Harness routing: Route linking harnesses through the indicated grommets or trim paths. Keep wiring away from hinges, latch movement, weather seals, exhaust heat, and sharp sheet-metal edges.
- Transferred parts: Move cameras, brackets, BLIS modules, bulb holders, seals, or decorative plates only when the matching reference image shows that transfer.
- RGB/app variants: Confirm controller power, pairing, mode change, and local road-lighting use before final trim reassembly.
Confirmed reference details
- Outer lamp removal: Remove the fixed tail-light screw with an 8mm socket, push the large lamp outward, unplug the lamp wire clip, and unplug the bulb-holder connector.
- Hatch trim removal: Use a pry tool to remove the trunk-door handle covers, then remove the two screws under each handle with an 8mm socket. Remove the lower clips before removing the trim panels.
- Corner lamp removal: Remove the two screws and one nut holding the corner lamp, unplug the corner lamp wire and docking plug, then use the pry tool to release the lamp.
- Harness routing: Remove the soft rubber trunk strip and route the connecting cable along the path shown in the reference image.
- Reassembly: Connect each plug-in harness in sequence by function, reinstall the tail lights, tighten fixed screws and nuts, tidy the wiring, and reinstall the trim panels.
Tools and supplies
- Trim removal tool or panel clip tool
- Metric socket and ratchet set; confirm the exact socket sizes against the reference images before removal
- Phillips and flat screwdrivers
- Clean microfiber towels and masking tape for painted trunk, hatch, tailgate, and quarter-panel edges
- Electrical tape and zip ties for securing included harnesses only
- A helper for brake-light and turn-signal testing
Remove the original tail lights
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Remove the inner trunk trim panels: Open the trunk and use a flathead screwdriver or trim removal tool to remove the two clips securing the grab-handle covers. Remove the handles, then pull down the large plastic trim panel to release it from its clips.
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Remove the spoiler trim: Remove the two bolts securing the spoiler trim, one on each side, then carefully pull the trim outward to remove it and access the upper tail light bolts.
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Remove the outer tail lights: Remove the two screws securing each outer tail light, push the light forward and upward to release the clips, then disconnect the factory connectors.
Install the RIGNOX tail lights
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Connect the adapter harness: Connect the new tail light adapter harness to the factory plugs, matching each connector by shape.
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Route the upper light bar wiring: Route the new wiring harness for the upper light bar through the trunk lid and pass it through the rubber grommet or existing opening. Connect it to the new upper light, using a stiff wire or fish tape to guide it through the rubber tube if needed.
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Install the new tail lights and reassemble the trim: After connecting all plugs, install the new outer and upper tail lights in their original positions and secure them with the original screws. Reinstall the spoiler trim and inner trunk panels in reverse order.
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Test all lighting functions: Activate each rear lighting function and confirm that the new LED tail lights operate correctly.
Electrical and function test
- Test parking/running lights, brake lights, left and right turn signals, hazards, reverse lights, fog light if supported, and startup animation if equipped.
- For through-light or linking-harness products, test both sides before reinstalling hatch, trunk, or cargo trim.
- If a camera, BLIS module, bulb holder, resistor, decoder, or controller was transferred, confirm that related vehicle functions have no warning message.
- For RGB/app variants, confirm controller power, app pairing, normal mode, RGB mode, speed/brightness controls, and the mode required for road use.
- After all tests pass, reinstall trim panels and close the trunk, hatch, or tailgate slowly to confirm no wire is stretched or pinched.
Final check
- All connectors are fully seated and locked.
- All included harnesses are secured away from movement, sharp edges, water paths, and heat sources.
- Both lamps sit flush with even body gaps, properly seated seals, and no trapped harness under the weather seal.
- All tail lights functions test correctly on both sides with a helper operating the controls.
- No warning lights, hyperflash, flickering, abnormal heat, moisture entry, or loose modules remain after a short function check.
Troubleshooting
- One tail light does not turn on: Recheck the main connector, side-specific extension wire, and any plug-in adapter shown in the reference images.
- Brake, reverse, running, or turn function is wrong: Stop and compare the connector choice and wire routing with the reference images before moving pins or changing wiring.
- Warning, flicker, or hyperflash appears: Confirm any included decoder, resistor, or harness adapter is installed exactly for this product and vehicle trim.
- Trim will not sit flush: Check for a trapped harness, misaligned clip, folded weather seal, or incorrect grommet position.
- RGB/app feature does not respond: Confirm the product variant supports RGB, the controller has power, and the app or remote is paired before closing trim.
Need help?
If the connector, transferred part, or trim layout does not match the reference images, stop before modifying the vehicle. Contact RIGNOX support with your order information, vehicle year/model/trim, product variant, and clear photos of the tail light, connector, and harness layout.
End of installation guide. (c) RIGNOX - All Rights Reserved.
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