Dorman 645-622 Steering Wheel Air Bag Module Coil Connector

Steering Wheel Air Bag Module Coil Connector

Dorman 645-622 is a steering wheel air bag module coil connector built for clean electrical repairs and accessory installations. It uses weatherproof terminals and a locking tab to help create a secure quick-disconnect connection in the steering wheel air bag circuit.

Compatible With a wide range of GM vehicles, including Chevrolet Silverado 1500, GMC Sierra 1500, Chevrolet Impala, Buick LaCrosse, and Chevrolet Trailblazer applications. The Dorman 645-622 connector is a direct-fit electrical repair solution for steering wheel air bag module coil connector service.

Key Features

• Steering wheel air bag module coil connector with leads
• Weatherproof terminals for a cleaner electrical repair
• Locking tab for a reliable quick-disconnect connection
• OE-style replacement for damaged or worn connector ends
• Cross-references Standard Ignition S-1406 for the same application

Detailed Description

This Dorman steering wheel air bag module coil connector is designed for vehicles that use a yellow 4-way female steering wheel air bag module coil connector with leads. It serves as a practical replacement when the original connector is damaged, corroded, or no longer locks securely. Part number 645-622 is commonly used across GM platforms such as Chevrolet Silverado, GMC Sierra, Chevrolet Tahoe, Buick Lucerne, and Cadillac Escalade models.

For buyers searching by fitment, this connector covers many 2000-2010 GM applications, including Chevrolet Impala, Chevrolet Trailblazer, GMC Envoy, Pontiac Grand Prix, and Hummer H2. Dorman 645-622 helps restore a dependable electrical connection in steering wheel air bag module coil circuits while maintaining a tidy installed appearance.

What It Helps Fix

• Broken or loose steering wheel air bag module connector terminals
• Intermittent electrical connection at the steering wheel coil circuit
• Corrosion or heat damage at the connector end
• Failed locking tab that no longer secures the plug
• Needing a clean repair for steering wheel electrical service

Installation Notes and Tips

Disconnect the battery and follow all air bag service procedures before working on the steering wheel circuit. Verify connector style, terminal count, and vehicle application before installation. Use proper electrical repair practices and confirm the connector locks fully after the repair is completed.

Quality Assurance

Dorman backs this connector with the engineering focus expected from an OE-style replacement part. It is built for dependable electrical repair work in steering wheel air bag module applications and is listed with interchange references including Standard Ignition S-1406.