Standard Ignition S-1550 Oxygen Sensor Connector

Reliable Oxygen Sensor Connector for GM Vehicles

The Standard Ignition S-1550 Oxygen Sensor Connector is designed to provide a secure and durable electrical connection for oxygen sensors in select Buick, Cadillac, Chevrolet, GMC, Hummer, and Pontiac models. Engineered with precision, this male connector ensures consistent performance and compatibility with various GM vehicles.

• Connector Gender: Male
• Includes 1 connector with 3 blade terminals
• Terminal Gender: Female
• Contains 3 wires and butt splices for easy installation
• Compatible with multiple GM makes and models

Product Details and Specifications

The S-1550 oxygen sensor connector features a male connector housing with three female blade terminals, designed to maintain a reliable electrical connection for oxygen sensors. The connector includes three wires and comes with butt splices, facilitating straightforward splicing and wiring during installation. This part is engineered to meet the electrical and mechanical requirements of various GM vehicles, including models such as the Chevrolet Silverado 1500, GMC Sierra 2500 HD, Cadillac Escalade, Buick LaCrosse, and Pontiac Grand Prix.

Compatible Vehicles and Applications

This oxygen sensor connector is compatible with a wide range of GM vehicles, including:

• Buick Allure, LaCrosse, Lucerne
• Cadillac Escalade, Escalade ESV, Escalade EXT, SRX, STS
• Chevrolet Avalanche, Equinox, Express 1500/2500/3500, Impala, Malibu, Monte Carlo, Silverado 1500/2500 HD/3500 HD, Suburban 1500/2500, Tahoe, Torrent
• GMC Sierra 1500/2500 HD/3500 HD, Savana 1500/2500/3500, Yukon, Yukon XL 1500/2500
• Hummer H3, H3T
• Pontiac Grand Prix, Solstice

Common Issues Addressed by This Connector

• Intermittent oxygen sensor signal due to faulty connections
• Corroded or damaged oxygen sensor wiring harness
• Check engine light triggered by oxygen sensor circuit faults
• Poor engine performance related to oxygen sensor connectivity
• Failed emissions tests caused by sensor wiring issues

Installation Notes and Tips

When installing the Standard Ignition S-1550 oxygen sensor connector, ensure the vehicle’s ignition is off and the battery is disconnected to prevent electrical shorts. Use the included butt splices to securely connect the wires, and verify that the blade terminals are fully seated in the connector housing. Proper insulation and strain relief on the wiring will help maintain long-term reliability. Refer to the vehicle’s service manual for specific oxygen sensor location and wiring diagrams.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring dependable fit and function. The S-1550 oxygen sensor connector undergoes rigorous quality control to provide consistent electrical performance. This part is backed by Standard Ignition’s limited warranty against defects in material and workmanship, offering confidence in its durability and reliability.