LED Tail Light Conversion Harness for Chevy Silverado GMC Sierra (2019-2024)

$35.68
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Details
Brand Model Year Engine Model
Chevy Silverado 1500 2019 Check VIN
GMC Sierra 1500 2019 Check VIN
Chevy Silverado (All) 2020-2024 Check VIN
GMC Sierra (All) 2020-2023 Check VIN

✅ Exact Fitment Guarantee | If you are unsure about compatibility, contact us at service@egrperformance.com with your VIN.

Intro

  • LED tail light conversion harness solves hyper flash and bulb-out errors when upgrading from halogen to LED tail lights on your Silverado or Sierra.
  • Engineered for 2019-2024 Chevy Silverado and GMC Sierra 1500/2500/3500 trucks with factory halogen tails.
  • Built-in 50W 6-ohm resistors eliminate fast flash without cutting or splicing any factory wiring.
  • Scroll down for complete fitment, installation tips, and troubleshooting to ensure a perfect LED upgrade.
Shipping Details

Ontario CA / Springdale OH / Newark NJ

Package List

Complete Package Contents

  • 2 × LED tail light conversion adapter harnesses with integrated resistors
  • Installation note (no printed manual included)
Delivery Time

2-5 working days inland in the United States

Product details

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Product Overview

  • Converts factory halogen tail lights to LED on compatible 2019-2024 Silverado and Sierra trucks.
  • Each kit includes2 adapter harnesseswith pre-wired load resistors.
  • Correctshyper flashcaused by LED low current draw, preventing rapid turn signal blinking.
  • Plug-and-play design plugs into the junction block behind the driver-side rear bumper.
  • No permanent modifications needed; easily reversible to stock.

Ideal For

  • Halogen to LED Upgrades:Solves fast flash when installing aftermarket LED tail lights on 2019-2024 Silverado/Sierra.
  • Bulb-Out Warnings:Eliminates dashboard error messages after replacing incandescent bulbs with LED.
  • Fleet & Work Trucks:Durable resistors handle daily use on 1500, 2500, and 3500 models.

Technical Specifications

  • Type:Halogen to LED tail light conversion adapter harness
  • Resistor Value:6 ohm, 50 watts per harness
  • Wire Gauge:16 AWG copper
  • Connector Material:OE-grade weather-sealed plugs
  • Color:Black harness and resistor housing
  • Quantity:2 adapter harnesses
  • Placement:Driver-side rear bumper area

Why Choose EGR Performance

  • Plug-and-Play Precision:All harnesses are tested on actual vehicles to guarantee perfect fit and error-free operation.
  • 1 Year Limited Warranty:Covered against manufacturing defects for peace of mind.
  • US-Based Support:Expert troubleshooting assistance available at service@egrperformance.com.
  • Fast USA Warehouse Shipping:Orders ship within 1-2 business days from US stock.

Installation Information

Installation Difficulty Level

Easy

Estimated Installation Time

30-60 minutes

Required Tools

  • Socket wrench set
  • Panel removal tool
  • Dielectric grease (recommended)
  • Zip ties

Step-by-Step Installation Overview

  • Disconnect negative battery terminal to prevent electrical shorts.
  • Remove driver-side tail light housing and locate the junction block behind rear bumper.
  • Unplug the factory connector and connect the adapter harness in-between.
  • Secure resistor assemblies behind the bumper using zip ties, away from heat sources.
  • Reinstall tail light, reconnect battery, and test all lighting functions.

No printed instructions included. Professional installation is highly recommended. For technical support, contactservice@egrperformance.com.

Troubleshooting and Problem Solving

Common Issues After Installation

  • Hyper flash persists:Resistor connection loose or resistor misplaced; verify all plugs are fully seated.
  • Bulb-out warning on dash:Ensure resistor is properly installed and not bypassed.
  • One side not lighting:Check polarity of LED bulb or connector orientation.
  • Resistor overheating:Relocate resistors to cooler area behind bumper; ensure no contact with plastic.

Error Code Solutions

  • No specific DTCs are directly caused by this adapter. If a check engine light appears after installation, verify all electrical connections and use an OBD2 scanner to clear any stored power-related codes.

How to Reset Check Engine Light After Installation

  • Turn ignition OFF and disconnect negative battery cable for 10 minutes.
  • Reconnect battery and start the engine.
  • Drive vehicle for 10-15 miles under varied speeds to allow ECU to re-learn.
  • If light persists, scan for codes and address any unrelated issues.

What to Do If Your Vehicle Loses Power After Installation

  • Check battery charge and connections.
  • Inspect resistor harness for correct installation; no direct impact on engine power expected.
  • If engine power loss occurs, it is unrelated to tail light adapter; have vehicle diagnosed.

Core Advantages

  • Hyper Flash Fix:Integrated 6-ohm 50W resistors load the circuit to match OEM halogen draw, eliminating fast blink.
  • No-Cut Installation:Plugs directly between the factory harness and junction block, preserving factory wiring.
  • Heat Management:Resistor array mounts behind the rear bumper, away from plastic trim, reducing thermal risk.
  • Universal Halogen to LED Support:Works with any aftermarket LED tail light assembly on Compatible Silverado/Sierra.

Complete Package Contents

  • 2 × LED tail light conversion adapter harnesses with integrated resistors
  • Installation note (no printed manual included)

Long-Term Maintenance Tips

  • Resistor Inspection:Every 6 months, check resistor mounting and wiring for corrosion or looseness.
  • Connector Sealing:Apply dielectric grease to connectors annually to prevent moisture ingress.
  • Bulb Check:Replace any failed LED bulbs promptly to avoid overloading remaining resistors.
  • Post-Wash Check:After pressure washing, inspect harness area for water intrusion.

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Vehicle Fitment

  • 2019 Chevy Silverado 1500 (not heavy duty)
  • 2019 GMC Sierra 1500 (not heavy duty)
  • 2020-2024 Chevy Silverado (all 1500/2500/3500)
  • 2020-2023 GMC Sierra (all 1500/2500/3500)
  • Not compatiblewith 2019 Chevy/GMC 1500 heavy duty models.
  • Always verify fitment with your VIN before purchase. Contact us at service@egrperformance.com.
  1. Dispatch Time: Orders will be shipped within 24 hours after successful payment.
  2. Delivery Time: 2-5 business days after dispatch (delivery speed depends on proximity to warehouse location).
  3. Return Window:7 days for unsatisfactory items45 days for quality-related issues
  4. Refund Processing: Refunds will be processed back to your original payment method within 2-4 business days after receiving the automated refund confirmation email (subject to bank verification).

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Will this harness fix hyper flash on my 2021 Silverado?

Yes, the built-in 6-ohm resistors are designed to correct hyper flash caused by LED tail lights on all compatible 2020-2024 Silverado models.

Does this work on 2019 heavy duty (2500/3500) trucks?

No, the adapter is only confirmed for 2019 1500 models. For 2020+ it supports all 1500/2500/3500.

Is cutting or splicing required?

No, it’s a true plug-and-play harness that connects between the factory junction block and tail light harness.

How many harnesses come in the kit?

Two harnesses, one for each side.

Can I use this with any LED tail light assembly?

Yes, as long as the assembly is designed as a direct replacement for the factory housing.

Where should I mount the resistors?

Behind the driver-side rear bumper, away from heat-sensitive plastic trim.

What if my turn signals still flash fast?

Recheck all connections and ensure both harness sides are fully plugged in. If issue continues, contact support.

Will this cause any dashboard warning lights?

Proper installation should not trigger any warnings. The resistors mimic halogen load to keep the vehicle’s computer satisfied.

Do I need to remove the tail light to install?

Yes, you need to remove the driver-side tail light to access the junction block.

Is professional installation recommended?

While easy, professional installation is recommended for best results and warranty compliance.

Does this work on GMC Sierra Denali?

Yes, it works on all 2020-2023 Sierra trims including Denali. For 2019 Sierra Denali 1500, it works (not heavy duty).

What is the warranty?

1 Year Limited Warranty against manufacturing defects.

Can I return it if it doesn’t fit?

Yes, returns are accepted within 30 days if the item is in new, unused condition.

How do I confirm fitment for my truck?

Email your VIN to service@egrperformance.com for a confirmed compatibility check.

Is this compatible with factory LED tail lights?

No, this harness is only needed when converting from halogen to aftermarket LED tail lights.