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I drive a 2014 Chevy Spark. Before turning the key even to the accessory position everything works perfectly, as soon as I get to the ignition position all the electronics die and the motor doesn't turn over. This problem is intermittent but seems to mainly occur after short trips, however my battery reads as normal voltage. Any help would be appreciated.
Edit: my radio clock resets so I think the battery may be being completely drained by something.

  • >>Before turning the key even to the accessory position everything works perfectly Should things be working "perfectly" at this point? Are you saying things turn on before you rotate the key - things that previously did NOT turn on? It sounds a bit like your ignition switch is defective. – mike65535 Apr 28 '19 at 15:27
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I would look for a ground problem. Check your battery terminals and clean them. The fact that it happen intermittently suggest a loose connection. next time it is happening, before turning on the key, turn on everything you can. headlight on high. brake lights, see if it fails. also try turning key on/off a few time, might be the ignition switch failing, bad contacts. But I doubt that, cars too new. when you turn the key on there is much more of a draw on the battery, a bad connection will fail under a moderate / high load. but will work with a little load. the radio resetting is a symptom of this.

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    sorry I see now this is an old post. you've probably have fix it by now. – Gregory Sep 24 at 22:57
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The battery is probably dying. But in a way that at some times it behaves like it's completely dead and then it works fine.

It happened to me. At one point it died and never came back. I thought that there's an electrical problem with the car because batteries usually don't suddenly go from perfectly normal to empty.

Put a voltmeter in your car. Next time it happens measure the voltage directly on the battery. If it shows anything less than 12V the battery is the problem, replace it.

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