HomeEmission Control > Electrical ConnectorsStandard Ignition S-1266 Secondary Air Injection Relay Connector
Part #: S-1266

Standard Ignition S-1266 Secondary Air Injection Relay Connector

⚙️ 63 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$30.98Free 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: Buick, Chevrolet, GMC, Hummer, Saab, Pontiac, and Saturn, Lucerne, Impala, LaCrosse, Colorado, Trailblazer, Canyon, Envoy, H3, 9-7x, Allure, Cobalt, G5, Grand Prix, Rainier, Monte Carlo, Ion, Trailblazer EXT, Envoy XL, and Pursuit
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Standard Ignition Secondary Air Injection Relay Connector

The Standard Ignition S-1266 Secondary Air Injection Relay Connector is designed to provide reliable electrical connectivity for emission control systems. This male connector with a 16-inch harness is compatible with various GM vehicles, including Buick, Chevrolet, GMC, Hummer, Pontiac, Saab, and Saturn models.

  • Connector Gender: Male
  • Harness Length: 16 inches
  • Terminal Gender: Female
  • Terminal Quantity: 6
  • Terminal Type: Pin socket
  • Wire Quantity: 6
  • Includes butt splices for secure wiring connections

Product Details and Specifications

The S-1266 relay connector from Standard Ignition features a durable male connector designed to interface with female terminals using pin socket terminals. The 16-inch harness length provides sufficient reach for installation in emission control systems, particularly the secondary air injection relay circuits. With six wires and six female terminals, this connector supports multiple circuit connections, ensuring proper electrical flow and system functionality. Included butt splices facilitate secure and reliable splicing during installation or repair.

Compatible Vehicles and Applications

This secondary air injection relay connector is compatible with a range of GM vehicles, including Buick models like LaCrosse and Lucerne, Chevrolet models such as Impala, Cobalt, and Monte Carlo, GMC trucks like Canyon and Sierra, Hummer H3, Pontiac G5 and Grand Prix, Saab 9-7x, and Saturn Ion and Vue. The part number S-1266 is specifically designed to meet the electrical connector requirements for these vehicles' emission control systems.

  • Resolves intermittent electrical connection issues in secondary air injection relay circuits
  • Replaces damaged or corroded connectors causing emission control malfunctions
  • Addresses wiring harness wear or breakage in emission system components
  • Prevents relay failure due to poor terminal contact
  • Supports restoration of proper secondary air injection system operation

Installation Notes and Tips

When installing the Standard Ignition S-1266 connector, ensure the male connector aligns correctly with the female terminals. Use the included butt splices to create secure wire connections, and verify that all six wires are properly connected to maintain circuit integrity. It is recommended to inspect the wiring harness for any damage before installation and to test the relay circuit after replacement to confirm proper operation.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance in emission control applications. The S-1266 connector undergoes quality checks to maintain electrical conductivity and durability. Please refer to Standard Ignition's warranty policy for specific coverage details related to this part.

BrandStandard Ignition
Part NumberS-1266
Connector GenderMale
ContentsIncludes Butt Splices
Harness Length - inches16"
Terminal GenderFemale
Terminal TypePin Socket

This part fits 63 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2010BuickLucerne3.9LV6N/A
2010ChevroletImpala3.5LV6N/A
2010ChevroletImpala3.9LV6N/A
2009BuickLaCrosse3.8LV6N/A
2009BuickLucerne3.9LV6N/A
2009ChevroletColoradoN/A
2009ChevroletImpala3.5LV6N/A
2009ChevroletImpala3.9LV6N/A
2009ChevroletTrailblazer4.2LL6N/A
2009GMCCanyonN/A
2009GMCEnvoy4.2LL6N/A
2009HummerH33.7LL5N/A
2009Saab9-7x4.2LL6N/A
2008BuickAllure3.8LV6N/A
2008BuickLaCrosse3.8LV6N/A
2008BuickLucerne3.8LV6N/A
2008ChevroletCobalt2.2LL4N/A
2008ChevroletColoradoN/A
2008ChevroletImpala3.5LV6N/A
2008ChevroletImpala3.9LV6N/A
2008ChevroletTrailblazer4.2LL6N/A
2008GMCCanyonN/A
2008GMCEnvoy4.2LL6N/A
2008HummerH33.7LL5N/A
2008PontiacG52.2LL4N/A
2008PontiacGrand Prix3.8LV6N/A
2008Saab9-7x4.2LL6N/A
2007BuickAllure3.8LV6N/A
2007BuickLaCrosse3.8LV6N/A
2007BuickRainier4.2LL6N/A
2007ChevroletCobalt2.2LL4N/A
2007ChevroletCobaltN/A
2007ChevroletColoradoN/A
2007ChevroletImpala3.5LV6N/A
2007ChevroletImpala3.9LV6N/A
2007ChevroletMonte Carlo3.5LV6N/A
2007ChevroletTrailblazer4.2LL6N/A
2007GMCCanyonN/A
2007GMCEnvoy4.2LL6N/A
2007HummerH33.7LL5N/A
2007PontiacG52.2LL4N/A
2007PontiacG5N/A
2007PontiacGrand Prix3.8LV6N/A
2007Saab9-7x4.2LL6N/A
2007SaturnIon2.2LL4N/A
2007SaturnIonN/A
2006BuickAllure3.8LV6N/A
2006BuickLaCrosse3.8LV6N/A
2006BuickRainier4.2LL6N/A
2006ChevroletCobaltN/A
2006ChevroletTrailblazer4.2LL6N/A
2006ChevroletTrailblazer EXT4.2LL6N/A
2006GMCEnvoy4.2LL6N/A
2006GMCEnvoy XL4.2LL6N/A
2006PontiacGrand Prix3.8LV6N/A
2006PontiacPursuitN/A
2006Saab9-7x4.2LL6N/A
2006SaturnIonN/A
2005BuickAllure3.8LV6N/A
2005BuickAllureN/A
2005BuickLaCrosse3.8LV6N/A
2005PontiacGrand Prix3.8LV6N/A
2005PontiacGrand PrixN/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:

19166999EC763PT13420

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