HomeElectrical, Lighting and Body > Electrical ConnectorsStandard Ignition S2506 Brake Light Switch Connector
Part #: S2506

Standard Ignition S2506 Brake Light Switch Connector

427 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$166.49Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Cadillac, Chevrolet, and GMC, XT5, Blazer, Bolt EV, Equinox, Sonic, Spark, Acadia, Terrain, and Corvette
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Brake Light Switch Connector for GM Applications

Standard Ignition S2506 is a direct replacement brake light switch connector for a wide range of GM vehicles. It replaces a damaged connector without requiring a full harness repair, helping restore a secure electrical connection at the brake light switch.

Built with an oval female housing and 6 blade terminals, this connector is made for dependable fitment in demanding under-dash and body electrical locations. Standard Ignition S2506 is a practical choice for Chevrolet Silverado, GMC Sierra, and Cadillac brake light switch connector repairs.

Key Features

  • Direct replacement brake light switch connector
  • Female connector with oval housing
  • 6 female blade terminals and 6-wire configuration
  • Polyamide resin housing for durability in harsh environments
  • Copper alloy, brass, and phosphor bronze terminal materials
  • Protective tubing included
  • 100% tested for mechanical and electrical fit, form, and function

Detailed Description

Standard Ignition S2506 is engineered as a high-quality electrical connector replacement for brake light switch service. It is designed to replace only the damaged connector, which can simplify repairs on vehicles such as the Chevrolet Equinox, GMC Terrain, and Cadillac XT5. The connector’s materials are selected for long service life and stable electrical performance, while the tested fit helps support reliable brake switch operation after repair.

This part cross-references ACDelco 19304011 and 84683650 for the same application.

What It Helps Fix

  • Broken or heat-damaged brake light switch connector housing
  • Loose or intermittent brake light switch electrical contact
  • Corroded terminals causing brake lamp circuit faults
  • Wiring damage at the connector instead of the full harness
  • Brake light switch connection issues on Chevrolet, GMC, Buick, and Cadillac models

Installation Notes and Tips

Verify connector shape, terminal count, and wire count before installation. Match the existing brake light switch connector on the vehicle and inspect the mating terminals for corrosion, spread terminals, or heat damage. This part is a direct connector replacement, so proper wire identification and secure terminal seating are important for a reliable repair.

Compatible With 2013-2023 Chevrolet Silverado 1500, 2013-2023 GMC Sierra 1500, 2013-2023 Chevrolet Tahoe, 2013-2023 Cadillac Escalade, and many other listed GM applications. Fits 2020-2025 Buick Encore GX, 2013-2023 Chevrolet Malibu, and 2014-2023 GMC Terrain, N/A.

Quality Assurance

Standard Ignition manufactures this connector with high-grade terminal metals and a polyamide resin housing, then tests each connector for proper mechanical and electrical fit, form, and function. Part number S2506 is built for consistent service in harsh automotive environments.

BrandStandard Ignition
Part NumberS2506
Connector GenderFemale
Connector ShapeOval
Terminal GenderFemale
Terminal TypeBlade

This part fits 427 vehicles. Search below:

YearMakeModelDrive TypeTransmissionLitersCylindersPositionNotes
2025BuickEncore GXN/A
2025BuickEnvistaN/A
2025ChevroletBlazerN/A
2025ChevroletEquinoxN/A
2025ChevroletTrailblazerN/A
2025ChevroletTraxN/A
2024BuickEncore GXN/A
2024BuickEnvistaN/A
2024CadillacLYRIQN/A
2024ChevroletBlazerN/A
2024ChevroletCamaro6.2LV8N/A
2024ChevroletEquinoxN/A
2024ChevroletTrailblazerN/A
2024ChevroletTraxN/A
2023BuickEncore GXN/A
2023BuickEnvisionN/A
2023CadillacEscaladeN/A
2023CadillacEscalade ESVN/A
2023CadillacLYRIQN/A
2023CadillacXT4N/A
2023ChevroletBlazerN/A
2023ChevroletBolt EUVN/A
2023ChevroletBolt EVN/A
2023ChevroletCamaro2.0LL4N/A
2023ChevroletCorvetteAutomatic Dual ClutchN/A
2023ChevroletEquinoxN/A
2023ChevroletMalibuN/A
2023ChevroletSilverado 1500N/A
2023ChevroletSilverado 2500 HDN/A
2023ChevroletSilverado 3500 HDN/A
2023ChevroletTahoeN/A
2023ChevroletTrailblazerN/A
2023GMCHummer EV PickupN/A
2023GMCSierra 1500N/A
2023GMCSierra 2500 HDN/A
2023GMCSierra 3500 HDN/A
2023GMCTerrainN/A
2023GMCYukonN/A
2023GMCYukon XLN/A
2022BuickEnclaveN/A
2022BuickEncoreN/A
2022BuickEncore GXN/A
2022BuickEnvisionN/A
2022CadillacEscaladeN/A
2022CadillacEscalade ESVN/A
2022CadillacXT4N/A
2022CadillacXT5N/A
2022CadillacXT6N/A
2022ChevroletBlazerN/A
2022ChevroletBolt EUVN/A
2022ChevroletBolt EVN/A
2022ChevroletCamaro2.0LL4N/A
2022ChevroletColoradoN/A
2022ChevroletCorvetteAutomatic Dual ClutchN/A
2022ChevroletEquinoxN/A
2022ChevroletMalibuN/A
2022ChevroletSilverado 1500N/A
2022ChevroletSilverado 1500 LTDN/A
2022ChevroletSilverado 2500 HDN/A
2022ChevroletSilverado 3500 HDN/A
2022ChevroletTahoeN/A
2022ChevroletTrailblazerN/A
2022ChevroletTraverseN/A
2022ChevroletTraxN/A
2022GMCCanyonAutomaticN/A
2022GMCHummer EV PickupN/A
2022GMCSierra 1500N/A
2022GMCSierra 1500 LimitedN/A
2022GMCSierra 2500 HDN/A
2022GMCSierra 3500 HDN/A
2022GMCTerrainN/A
2022GMCYukonN/A
2022GMCYukon XLN/A
2021BuickEnclaveN/A
2021BuickEncoreN/A
2021BuickEncore GXN/A
2021BuickEnvisionN/A
2021CadillacEscaladeN/A
2021CadillacEscalade ESVN/A
2021CadillacXT4N/A
2021CadillacXT5N/A
2021CadillacXT6N/A
2021ChevroletBlazerN/A
2021ChevroletBolt EVN/A
2021ChevroletCamaro2.0LL4N/A
2021ChevroletColoradoN/A
2021ChevroletCorvetteAutomatic Dual ClutchN/A
2021ChevroletEquinoxN/A
2021ChevroletMalibuN/A
2021ChevroletSilverado 1500N/A
2021ChevroletSilverado 2500 HDN/A
2021ChevroletSilverado 3500 HDN/A
2021ChevroletSparkAutomatic CVTN/A
2021ChevroletTahoeN/A
2021ChevroletTrailblazerN/A
2021ChevroletTraverseN/A
2021ChevroletTraxN/A
2021GMCAcadiaN/A
2021GMCCanyonAutomaticN/A
2021GMCSierra 1500N/A
2021GMCSierra 2500 HDN/A
2021GMCSierra 3500 HDN/A
2021GMCTerrainN/A
2021GMCYukonN/A
2021GMCYukon XLN/A
2020BuickEnclaveN/A
2020BuickEncoreN/A
2020BuickEncore GXN/A
2020BuickEnvisionN/A
2020BuickRegal SportbackN/A
2020BuickRegal TourXN/A
2020CadillacCT6N/A
2020CadillacEscaladeN/A
2020CadillacEscalade ESVN/A
2020CadillacXT4N/A
2020CadillacXT5N/Aw/ Electronic Brake Control
2020CadillacXT6N/A
2020ChevroletBlazerAWD2.0LL4N/A
2020ChevroletBolt EVN/A
2020ChevroletCamaro2.0LL4N/A
2020ChevroletColoradoN/A
2020ChevroletCorvetteAutomatic Dual ClutchN/A
2020ChevroletEquinoxN/A
2020ChevroletImpalaN/A
2020ChevroletMalibuN/A
2020ChevroletSilverado 1500N/A
2020ChevroletSilverado 2500 HDN/A
2020ChevroletSonicAutomaticN/A
2020ChevroletSparkAutomatic CVTN/A
2020ChevroletTahoeN/A
2020ChevroletTraverseN/A
2020ChevroletTraxN/A
2020GMCAcadiaN/Aw/ Electronic Brake Control
2020GMCCanyonAutomaticN/A
2020GMCSierra 1500N/A
2020GMCSierra 2500 HDN/A
2020GMCSierra 3500 HDN/A
2020GMCTerrainN/A
2020GMCYukonN/A
2020GMCYukon XLN/A
2019BuickCascadaN/A
2019BuickEnclaveN/A
2019BuickEncoreN/A
2019BuickEnvisionN/A
2019BuickLaCrosseN/A
2019BuickRegal SportbackN/A
2019BuickRegal TourXN/A
2019CadillacATSN/A
2019CadillacCT6N/A
2019CadillacCTSN/A
2019CadillacEscaladeN/A
2019CadillacEscalade ESVN/A
2019CadillacXT4N/A
2019CadillacXT5N/A
2019CadillacXTSN/A
2019ChevroletBolt EVN/A
2019ChevroletCamaroN/A
2019ChevroletColoradoAutomaticN/A
2019ChevroletCorvetteAutomaticN/A
2019ChevroletCruzeAutomaticN/A
2019ChevroletEquinoxN/A
2019ChevroletImpalaN/A
2019ChevroletMalibuN/A
2019ChevroletSilverado 1500N/A
2019ChevroletSilverado 1500 LDN/A
2019ChevroletSilverado 2500 HDN/A
2019ChevroletSonicAutomaticN/A
2019ChevroletSparkAutomatic CVTN/A
2019ChevroletSuburban 3500 HDN/A
2019ChevroletTahoeN/A
2019ChevroletTraverseN/A
2019ChevroletTraxN/A
2019ChevroletVoltN/A
2019GMCAcadiaN/A
2019GMCCanyonAutomaticN/A
2019GMCSierra 1500N/A
2019GMCSierra 1500 LimitedN/A
2019GMCSierra 2500 HDN/A
2019GMCSierra 3500 HDN/A
2019GMCTerrainN/A
2019GMCYukonN/A
2019GMCYukon XLN/A
2018BuickCascadaN/A
2018BuickEnclaveN/A
2018BuickEncoreN/A
2018BuickEnvisionN/A
2018BuickLaCrosseN/A
2018BuickRegal SportbackN/A
2018BuickRegal TourXN/A
2018CadillacATSN/A
2018CadillacCT6N/A
2018CadillacCTSN/A
2018CadillacEscaladeN/A
2018CadillacEscalade ESVN/A
2018CadillacXT5N/A
2018CadillacXTSN/A
2018ChevroletBolt EVN/A
2018ChevroletCamaroN/A
2018ChevroletColoradoAutomaticN/A
2018ChevroletCorvetteAutomaticN/A
2018ChevroletCruzeAutomaticN/A
2018ChevroletEquinoxN/A
2018ChevroletImpalaN/A
2018ChevroletMalibuN/A
2018ChevroletSilverado 1500N/A
2018ChevroletSilverado 2500 HDN/A
2018ChevroletSilverado 3500 HDN/A
2018ChevroletSonicAutomatic1.4LL4N/A
2018ChevroletSonicAutomatic1.8LL4N/A
2018ChevroletSparkAutomatic CVTN/A
2018ChevroletSuburban 3500 HDN/A
2018ChevroletTahoeN/A
2018ChevroletTraverseN/A
2018ChevroletTraxN/A
2018ChevroletVoltN/A
2018GMCAcadiaN/A
2018GMCCanyonAutomaticN/A
2018GMCSierra 1500N/A
2018GMCSierra 2500 HDN/A
2018GMCSierra 3500 HDN/A
2018GMCTerrainN/A
2018GMCYukonN/A
2017BuickCascadaN/A
2017BuickEnclaveN/A
2017BuickEncoreN/A
2017BuickEnvisionN/A
2017BuickLaCrosseN/A
2017BuickRegalN/A
2017BuickVeranoN/A
2017CadillacATSN/A
2017CadillacCT6N/A
2017CadillacCTSN/A
2017CadillacEscaladeN/A
2017CadillacEscalade ESVN/A
2017CadillacXT5N/A
2017CadillacXTSN/A
2017ChevroletBolt EVN/A
2017ChevroletCamaro2.0LL4N/A
2017ChevroletCapriceN/A
2017ChevroletColoradoAutomaticN/A
2017ChevroletCorvetteAutomaticN/A
2017ChevroletCruzeAutomaticN/A
2017ChevroletEquinoxN/A
2017ChevroletImpalaN/A
2017ChevroletMalibuN/A
2017ChevroletSilverado 1500N/A
2017ChevroletSilverado 2500N/A
2017ChevroletSilverado 2500 HDN/A
2017ChevroletSilverado 3500 HDN/A
2017ChevroletSonicAutomatic1.4LL4N/A
2017ChevroletSonicAutomatic1.8LL4N/A
2017ChevroletSparkAutomatic CVTN/A
2017ChevroletSSAutomaticN/A
2017ChevroletSuburban 3500 HDN/A
2017ChevroletTahoeN/A
2017ChevroletTraverseN/A
2017ChevroletTraxN/A
2017ChevroletVoltN/A
2017GMCAcadiaN/A
2017GMCCanyonAutomaticN/A
2017GMCSierra 1500N/A
2017GMCSierra 2500 HDN/A
2017GMCSierra 3500 HDN/A
2017GMCTerrainN/A
2017GMCYukonN/A
2017GMCYukon XLN/A
2016BuickCascadaN/A
2016BuickEnclaveN/A
2016BuickEncoreN/A
2016BuickEnvisionN/A
2016BuickLaCrosseN/A
2016BuickVeranoN/A
2016CadillacATSN/A
2016CadillacCT6N/A
2016CadillacCTSN/A
2016CadillacEscaladeN/A
2016CadillacEscalade ESVN/A
2016CadillacSRXN/A
2016CadillacXTSN/A
2016ChevroletCapriceN/A
2016ChevroletColoradoAutomaticN/A
2016ChevroletCorvetteAutomaticN/A
2016ChevroletCruzeAutomaticN/A
2016ChevroletCruze LimitedN/A
2016ChevroletEquinoxN/A
2016ChevroletImpalaN/A
2016ChevroletImpala LimitedN/A
2016ChevroletMalibuN/A
2016ChevroletMalibu LimitedN/A
2016ChevroletSilverado 1500N/A
2016ChevroletSilverado 2500N/A
2016ChevroletSilverado 2500 HDN/A
2016ChevroletSilverado 3500N/A
2016ChevroletSilverado 3500 HDN/A
2016ChevroletSonicAutomatic1.4LL4N/A
2016ChevroletSonicAutomatic1.8LL4N/A
2016ChevroletSparkAutomatic CVTN/A
2016ChevroletSSAutomaticN/A
2016ChevroletSuburban 3500 HDN/A
2016ChevroletTahoeN/A
2016ChevroletTraverseN/A
2016ChevroletTraxN/A
2016ChevroletVoltN/A
2016GMCAcadiaN/A
2016GMCCanyonAutomaticN/A
2016GMCSierra 1500N/A
2016GMCSierra 2500 HDN/A
2016GMCSierra 3500 HDN/A
2016GMCTerrainN/A
2016GMCYukonN/A
2015BuickEnclaveN/A
2015BuickEncoreN/A
2015BuickLaCrosseN/A
2015BuickVeranoN/A
2015CadillacATSN/A
2015CadillacCTSN/A
2015CadillacEscaladeN/A
2015CadillacEscalade ESVN/A
2015CadillacSRXN/A
2015CadillacXTSN/A
2015ChevroletCamaroN/A
2015ChevroletCapriceN/A
2015ChevroletCaptiva SportN/A
2015ChevroletColoradoAutomaticN/A
2015ChevroletCorvetteAutomaticN/A
2015ChevroletCruzeAutomaticN/A
2015ChevroletEquinoxN/A
2015ChevroletImpalaN/A
2015ChevroletImpala LimitedN/A
2015ChevroletMalibuN/A
2015ChevroletSilverado 1500N/A
2015ChevroletSilverado 2500N/A
2015ChevroletSilverado 2500 HDN/A
2015ChevroletSilverado 3500N/A
2015ChevroletSilverado 3500 HDN/A
2015ChevroletSonicAutomatic1.4LL4N/A
2015ChevroletSonicAutomatic1.8LL4N/A
2015ChevroletSparkAutomatic CVTN/A
2015ChevroletSSAutomaticN/A
2015ChevroletTahoeN/A
2015ChevroletTraverseN/A
2015ChevroletTraxN/A
2015GMCAcadiaN/A
2015GMCCanyonAutomaticN/A
2015GMCSierra 1500N/A
2015GMCSierra 2500 HDN/A
2015GMCSierra 3500 HDN/A
2015GMCTerrainN/A
2015GMCYukonN/A
2015GMCYukon XLN/A
2014BuickEnclaveN/A
2014BuickEncoreN/A
2014BuickLaCrosseN/A
2014BuickVeranoN/A
2014CadillacATSN/A
2014CadillacCTSN/A
2014CadillacEscaladeN/A
2014CadillacEscalade ESVN/A
2014CadillacSRXN/A
2014CadillacXTSN/A
2014ChevroletCamaroN/A
2014ChevroletCapriceN/A
2014ChevroletCaptiva SportN/A
2014ChevroletCorvetteAutomaticN/A
2014ChevroletCruzeAutomaticN/A
2014ChevroletEquinoxN/A
2014ChevroletImpalaN/A
2014ChevroletImpala LimitedN/A
2014ChevroletMalibuN/A
2014ChevroletSilverado 1500N/A
2014ChevroletSilverado 2500N/A
2014ChevroletSilverado 2500 HDN/A
2014ChevroletSilverado 3500 HDN/A
2014ChevroletSonicAutomatic1.4LL4N/A
2014ChevroletSonicAutomatic1.8LL4N/A
2014ChevroletSparkAutomatic CVTN/A
2014ChevroletSSAutomaticN/A
2014ChevroletSuburban 1500AutomaticN/A
2014ChevroletTahoeN/A
2014ChevroletTraverseN/A
2014ChevroletTraxN/A
2014GMCAcadiaN/A
2014GMCSierra 1500N/A
2014GMCSierra 2500 HDN/A
2014GMCSierra 3500 HDN/A
2014GMCTerrainN/A
2014GMCYukonN/A
2014GMCYukon XL 1500N/A
2013BuickEnclaveN/A
2013BuickEncoreN/A
2013BuickLaCrosseN/A
2013BuickVeranoN/A
2013CadillacATSN/A
2013CadillacEscaladeN/A
2013CadillacEscalade ESVN/A
2013CadillacEscalade EXTN/A
2013CadillacSRXN/A
2013CadillacXTSN/A
2013ChevroletAvalancheN/A
2013ChevroletCamaroN/A
2013ChevroletCaptiva SportN/A
2013ChevroletCorvetteAutomaticN/A
2013ChevroletCruzeAutomaticN/A
2013ChevroletEquinoxN/A
2013ChevroletImpalaN/A
2013ChevroletMalibuN/A
2013ChevroletSilverado 1500N/A
2013ChevroletSilverado 2500N/A
2013ChevroletSilverado 2500 HDN/A
2013ChevroletSilverado 3500N/A
2013ChevroletSilverado 3500 HDN/A
2013ChevroletSonicAutomatic1.4LL4N/A2nd Design
2013ChevroletSonicAutomatic1.8LL4N/A2nd Design
2013ChevroletSparkAutomaticN/A2nd Design
2013ChevroletSuburban 1500AutomaticN/A
2013ChevroletTahoeN/A
2013ChevroletTraverseN/A
2013ChevroletTraxN/A
2013GMCAcadiaN/A
2013GMCSierra 1500N/A
2013GMCSierra 2500 HDN/A
2013GMCSierra 3500 HDN/A
2013GMCYukonN/A
2013GMCYukon XL 1500N/A
2013GMCYukon XL 2500N/A
2012BuickLaCrosseN/A
2012GMCAcadiaN/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

1930401184683650EC2417PT2490

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.