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Repair guides and support for C/K pickup trucks sold by General Motors under the GMC brand, including the GMC Sierra.

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Truck won't turn over after replacing timing chain

I changed the timing chain o. My 1994 gmc no u have no crank

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Hi @carlosacer90890

Here's an image of the cranking circuit and the no crank troubleshooting flowchart for the vehicle, that may help.

Block Image

(click on image)

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Thanks it now cranks but won't start

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@carlosacer90890 What did you do to get it to crank?

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@carlosacer90890

What type and size of engine is it, gasoline or diesel?

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