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Old 08-16-2017, 07:40 AM
 
Location: Wartrace,TN
8,051 posts, read 12,767,329 times
Reputation: 16479

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I suspect a bad ignition switch in my 2003 Chevy Silverado.

Symptoms:
Longer than normal cranking to start.

The instrument cluster dies intermittently while driving although the truck continues to run. It looks as if the key has been turned to the "run" position without starting.

When the instrument cluster fails the A/C stops blowing cold air. Once the cluster comes back to life it resumes.

** I am aware of the instrument cluster recall for this model. I have replaced the instrument cluster last year due to incorrect speedometer readings and other assorted failures. This current problem is not related.

Am I on the right track?
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Old 08-16-2017, 08:10 AM
 
8,272 posts, read 10,983,290 times
Reputation: 8910
There is a separate section of this forum for Chevrolet.

There is also GM-Trucks.com - The ultimate General Motors truck, crossover, and sport utility resource

Best to provide much more information about truck. Miles on odometer. Number of owners. Accidents. Other repairs, etc.
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Old 08-16-2017, 09:13 AM
 
Location: Riverside Ca
22,146 posts, read 33,513,828 times
Reputation: 35437
Do you have a ton of crap hanging off the trucknkey while I'm n the ignition? If do take it all off.

Start the truck and wiggle the key and ignition mechanism. Does it do the things you described?

If it doesn't I would start looking at the vehicke ground wires.
GM dashes are known to go out and stop working but it sounds to me like you have a bad ground on your interior. Could be a body module failing too
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