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Discussion Starter · #1 ·
2008 Silverado 1500

Just replaced the ignition cylinder. Did the reset for the new keys. Now I’m playing roulette if it’ll start or not. Insert key, all lights and accessories turn on, go to ignition, lights go off; complete silence. Or starts, if it starts, nothing on the dash, if it doesn’t; it says “service anti theft system”. It’s a 50/50 shot.
Im not sure what I’ve done or how to fix it.
Any guidance will be appreciated.
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