Ignition Starter Switch

Precision Electrical Control for 2000–2002 Chevrolet and GMC Trucks/SUVs

Restore the electrical heart of your vehicle's starting system with this high-grade Ignition Starter Switch. This component is the electrical interface that distributes power from the battery to your vehicle's vital systems—including the fuel pump, starter solenoid, and dashboard electronics—when the key is turned. Over time, the internal contacts can wear down or succumb to carbon buildup, resulting in intermittent starting, stalling while driving, or a complete loss of power to your instrument cluster and accessories.

Specifically engineered for GM's full-size truck and SUV platforms from 2000 to 2002, this switch is a direct-fit solution that restores the positive "click" and reliable connectivity required for safe operation. Built with high-conductivity copper terminals and a heat-resistant polymer housing, it is designed to endure the high-cycle demands of daily use.

Fitment Verification and Vehicle Applications

This switch is designed for models equipped with the 28-Pin Connector and without Steering Wheel Radio Controls (where applicable):

• Chevrolet Avalanche: 1500 & 2500 (2002).

• Chevrolet Silverado: 1500, 1500 HD, 2500, 2500 HD, 3500 (2000–2001; 2002 with 2-Wheel Steering).

• Chevrolet Suburban & Tahoe: 1500 & 2500 (2000–2002).

• GMC Sierra: 1500, 1500 HD, 2500, 2500 HD, 3500 (2000–2001; 2002 with 2-Wheel Steering).

• GMC Yukon / Yukon XL: 1500 & 2500 (2000–2002).

• Note: This part is specific to vehicles without steering wheel audio controls. If your steering wheel has buttons for volume or seeking, this switch may not be compatible.

Technical Specifications and Attributes

• Connector Type: 28-Pin Male Terminal.

• Terminal Material: Silver/Copper Alloy for maximum conductivity.

• Housing Material: High-Temp Engineering Plastic.

• Operation: Off, Accessory, Run, and Start positions.

• Location: Steering Column mounted.

What’s in the Box

• (1) Electrical Ignition Starter Switch

Industry Cross-Reference Numbers

• General Motors / Chevrolet: 26078650, 26098764, 89058147

• ACDelco: D1445F, D1466E, D955A

• Standard Motor Products: US344, US-344

• Duralast: LS1074

• BWD: CS660

• Wells: 1S5971

Installation and Technical Tips

• Safety Protocol: You must disconnect the negative battery cable before service. This switch is located near the steering column wiring harness, which includes sensitive yellow-jacketed wires for the SRS (Airbag) system.

• Passlock Relearn: These vehicles utilize the GM Passlock security system. After replacing this switch, you will likely need to perform a 10-minute Security Relearn Procedure. This typically involves attempting to start the vehicle, letting it sit with the key in the "Run" position for 10 minutes until the security light stops flashing, then cycling the key off and starting the engine.

• Alignment is Key: Ensure the internal gear on the switch is in the correct position before sliding it onto the steering column rack. If the gear is "out of time," the key cylinder will not be able to reach the "Start" or "Accessory" positions.

• Connector Inspection: Carefully inspect your factory 28-pin connector for signs of melting or heat damage. A loose or corroded connector pin can cause high resistance, which is often the root cause of the original switch failure.