Walker 270-1071 Ignition Knock (Detonation) Sensor Connector

Ignition Knock Sensor Connector for GM Applications

The Walker Products 270-1071 is an ignition knock (detonation) sensor connector built for direct service on a wide range of GM trucks, SUVs, vans, and performance models. It uses a female bullet terminal design with a single terminal layout for a straightforward electrical connection at the knock sensor circuit.

Walker Products has supplied fuel system and engine management components since 1946, with manufacturing and engineering support focused on meeting or exceeding OEM standards. The Walker Products line includes engine sensors, ignition-related components, and electrical service parts for aftermarket repair.

Key Features

• Part number 270-1071 ignition knock sensor connector
• Female connector gender with female terminal gender
• Bullet terminal type for the sensor connection
• Single-terminal design for targeted electrical repair
• Built for GM fitments including Chevrolet Silverado, GMC Sierra, Tahoe, Yukon, and Cadillac Escalade applications

Detailed Description

Use the Walker Products 270-1071 when servicing the ignition knock sensor connector on vehicles such as the Chevrolet Silverado 1500, GMC Sierra 2500 HD, Cadillac Escalade, and Chevrolet Tahoe. This connector is listed across a broad range of 1996-2007 applications, including Express, Savana, Suburban, Yukon, H2, Corvette, Camaro, Firebird, and other GM platforms. This part cross-references Standard Ignition S-550 and MOOG Driveline Products 231 for the same application.

As an engine management electrical connector, it supports a secure interface at the knock sensor circuit where accurate signal transfer matters for drivability and engine control. The 270-1071 is a practical replacement for worn, damaged, or corroded connector ends on vehicles that use the listed OE-style configuration.

Common Repair Uses

• Broken or brittle knock sensor connector housing
• Corrosion at the terminal connection
• Intermittent knock sensor signal issues
• Engine warning lights related to sensor circuit faults
• Repair of damaged wiring-end connector at the sensor

Installation Notes and Tips

Verify the connector style, terminal type, and vehicle application before installation. Confirm the OE reference and inspect the mating sensor side for corrosion, bent terminals, or heat damage before connecting the new part. For 2003 Chevrolet Sierra 1500 applications, note the OE reference 10456031 and the application-specific fitment note listed by Walker Products.

Quality Assurance

Walker Products manufactures engine management components to meet or exceed OEM standards and specifications. The company supports production with in-house manufacturing, product management, engineering, technical documentation, and application data, and operates as an ISO 9001/IATF16949 certified company.