Important: This online guide is a product-image-verified overview for the matched RIGNOX product. It uses the product page, product reference images, and visible lighting-function details to guide product-side checks. Confirm hidden vehicle-side fasteners, trim clips, and wiring access points on your exact vehicle before removal.
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: 2007-2013 GMC Sierra 1500 & 2007-2014 Sierra 2500HD/3500HD (GMT900) LED Tail Lights
- Product type: tail lights
- SKU: T-SRA07-SR
- Fitment: Fits 2007-2013 GMC Sierra 1500 in SL, SLE, XE and SLT trim and 2007-2014 GMC Sierra 2500HD / 3500HD in WT, SLE and SLT trim — all GMT900. Does not fit the 2014 and newer Sierra 1500 or the 2015 and newer Sierra 2500HD / 3500HD.
- Set contents: Left and right tail lamps. No adapter harness is required — the lamps plug into the factory connectors.
- Product page: View matching RIGNOX product details
Product reference images
参考图待补。Use the product page images to compare the lamp shape, rear housing, visible plug layout, and lighting functions before final assembly.
Product image checkpoints
- Match the supplied connector to the vehicle connector and confirm the lock tab seats fully before closing up.
- Brake and turn share the same red lighting zone on this product, and the turn signal flashes red. That is the intended behavior, not a fault — there is no separate amber indicator.
- The reverse section sits low in the lamp and lights white. Confirm it against the product page images before final assembly.
- Do not add universal electrical parts unless support confirms they are needed.
Before you begin
- Confirm the exact product: Compare the RIGNOX tail lights to the product reference images, including rear housing, plug layout, and lens style.
- Work powered down: Park on level ground, switch the truck off, and disconnect the negative battery terminal when handling wiring.
- Protect body panels: Use clean towels or masking tape near painted edges around the tailgate and bed sides.
- Do not force clips: If a lamp does not move, stop and look for another fastener or locating pin.
- No grease on connectors: Do not apply dielectric grease or weather-sealing grease to connectors or sockets.
Tools and supplies
- Trim removal tool
- Metric socket and ratchet set; verify exact sizes on the truck before removal
- Phillips and flat screwdrivers
- Clean microfiber towels and masking tape
- Electrical tape and zip ties for tidying harness routing
- A helper for brake-light, turn-signal and reverse-light testing
Remove the original tail lights
- Open the access area: Lower the tailgate and locate the lamp retainers.
- Support the original tail light: Hold the lamp while removing its fasteners.
- Pull the lamp straight out: Release locating pins by pulling in line with the lamp. Do not lever against painted panels.
- Disconnect the wiring: Press the connector lock tab and pull by the connector body, not by the wires.
- Compare before transfer: Compare the removed lamp with the RIGNOX product reference images before fitting the new one.
Install the RIGNOX tail lights
- Pre-check the plug layout: Confirm the rear plug and mounting points match the product reference images.
- Connect the lamp: Plug into the factory connector, seat it fully, and confirm the lock tab clicks into place.
- Seat the lamp evenly: Align locating pins and body gaps before tightening. Do not over-tighten plastic mounting points.
- Test before closing up: Run the function test below before refitting anything.
Electrical and function test
- Confirm running lights on both sides.
- Confirm brake lights with a helper pressing the brake pedal.
- Confirm left and right turn signals and hazards. The turn signal flashes red in the same zone as the brake light.
- Confirm reverse lights with the truck safely in reverse and the parking brake applied.
- Confirm the startup animation after the road-light functions pass.
- Check for dashboard warnings, hyperflash, flicker, or intermittent operation.
Final check
- All connectors are locked, dry, and routed without tension.
- Both lamps sit flush with even body gaps.
- All lighting functions pass on both sides.
Troubleshooting
- No amber turn signal: Expected. This product flashes the turn signal red in the brake zone, matching the factory lamp.
- One function does not work: Compare the plug area to the product reference images and verify the connector is fully seated.
- Warning message, flicker, or hyperflash: Confirm the correct product was installed and every connector is seated.
- Moisture appears: Light condensation may clear as the lamp warms. Heavy or persistent moisture should be documented with photos before continued use.
Need help?
If the original lamp or vehicle connector does not match the product reference images, stop before modifying wiring. Contact RIGNOX support with your order information, vehicle year/model/trim, and clear photos of the connector area and each lighting function.
End of installation guide. (c) RIGNOX - All Rights Reserved.
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