Dorman 917-033 Ignition Knock (Detonation) Sensor Connector

Reliable Ignition Knock Sensor Connector for Select GM and More

The Dorman 917-033 Ignition Knock (Detonation) Sensor Connector is engineered to provide a secure and water-resistant electrical connection for ignition knock sensors. Designed for use with various Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Pontiac, and Saab models, this connector ensures consistent sensor performance and engine protection.

• Compatible with multiple GM and related vehicle models including Chevrolet Silverado 1500, Cadillac Escalade, and GMC Sierra 2500
• 18-gauge copper wire for optimal electrical conductivity
• Oval-shaped connector with two male blade terminals
• Connector length options of 24.5 mm and 33.5 mm for precise fitment
• Water-resistant design to withstand harsh engine environments
• Includes one complete harness for straightforward installation

Technical Details and Construction

This ignition knock sensor connector features an 18-gauge copper wire gauge measurement, providing reliable electrical transmission essential for accurate knock sensor readings. The connector uses two male blade terminals arranged in an oval shape, which is common in many GM ignition systems. The copper material enhances durability and corrosion resistance, while the water-resistant design protects the connection from moisture and contaminants. With connector lengths of 24.5 mm and 33.5 mm, the harness accommodates different sensor mounting configurations found in vehicles like the Chevrolet Avalanche and GMC Envoy.

Compatible Vehicles and Applications

The Dorman 917-033 is compatible with a wide range of vehicles, including but not limited to:

• Buick 9-7x
• Cadillac Escalade, CTS, STS
• Chevrolet Avalanche, Silverado 1500, Camaro, Corvette
• GMC Sierra 1500, Sierra 2500, Envoy, Yukon
• Hummer H2
• Isuzu Ascender
• Pontiac Firebird, GTO
• Saab 9-7x

Common Issues Addressed by This Connector

• Intermittent or faulty ignition knock sensor signals
• Corroded or damaged sensor wiring connections
• Water intrusion causing sensor malfunction
• Electrical resistance leading to inaccurate knock detection
• Connector wear from engine heat and vibration

Installation Notes and Tips

When installing the Dorman 917-033 ignition knock sensor connector, ensure the vehicle’s ignition is off and the battery is disconnected to prevent electrical shorts. Verify the connector orientation matches the sensor terminals, noting the oval shape and blade terminal configuration. Use dielectric grease on terminals to enhance corrosion resistance and ease future removal. Confirm the harness length fits the sensor location without tension or excessive slack. Properly secure the connector to avoid vibration damage during vehicle operation.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The 917-033 ignition knock sensor connector undergoes rigorous quality control to maintain consistent electrical connectivity and environmental resistance. This product includes a limited warranty covering defects in material and workmanship, providing confidence in its long-term use on compatible Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Pontiac, and Saab vehicles.