Every turn of the key depends on the switch that sends power to your truck's ignition and starter circuits. The Standard Ignition Starter Switch US-346 handles that job. It is a direct-fit replacement for the listed applications, including the 2000-2002 Chevrolet Silverado 1500 and Tahoe, the 2000-2002 GMC Sierra 1500 and the 2000 GMC Yukon. It also fits the Suburban and heavy-duty Silverado and Sierra models listed below.
The ignition starter switch is the electrical side of the ignition system. As the key moves through its positions, the switch routes power to the accessory, ignition and starter circuits.
Signs this part may need replacing:
These symptoms can have other causes, so diagnose the problem before replacing parts. If the ignition starter switch is at fault, US-346 replaces it.
Fitment:
See the Buyer's Guide tab for engine-specific details.
Interchange: CS659 · LS1077 · KS6256 · 26070110 · 26098763
This part cross-references / interchanges with the following part numbers:
What does the US-346 ignition starter switch do?
It is the electrical part of the ignition system. It routes power to the accessory, ignition and starter circuits as the key is turned through its positions.
Which vehicles does US-346 fit?
It fits the 2000-2002 Chevrolet Silverado 1500/2500, Tahoe and Suburban 1500/2500, the 2000-2002 GMC Sierra 1500/2500 and the 2000 GMC Yukon. See the Buyer's Guide tab for the full list.
What signs suggest the ignition switch may need replacing?
Look for no crank when the key is turned, intermittent stalling or power loss, or accessories cutting out in certain key positions. These can have other causes, so diagnose first.
Is the switch tested before it ships?
Yes. Standard tests its switches 100% to verify both mechanical and electrical switching performance.
What part numbers does US-346 interchange with?
It cross-references CS659, LS1077, KS6256, 26070110 and 26098763.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
