Chevrolet Silverado 2500 starting issues with new alternator, battery, and computer not resolving the problem on Chevrolet Silverado 2500

Submitted by Vehicle Owner · Jun 23, 2025
Published by RepairPal

Problem overview

Some Chevrolet Silverado 2500 owners report experiencing starting issues even after installing a new alternator, battery, and computer. These problems may stem from faulty ground wires or corrosive battery terminals, which can impede the starting process despite new components. Additionally, issues with the starter motor or starter solenoid have been noted as potential culprits for preventing proper vehicle startup. Some owners have also encountered defective ignition switches or damaged relays that affect the starting sequence. Clicking sounds during attempts to start may indicate dead batteries, requiring replacement or recharging. Furthermore, problems within the ignition system can lead to a lack of response or slow cranking sounds. Lastly, insufficient fuel delivery to the combustion chamber can hinder the Silverado's ability to start. For those still experiencing difficulties, a thorough inspection of these components and systems is advised, along with seeking professional assistance for effective diagnosis and resolution.

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