Question about GMC Sierra 1500

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Sometimes the engine will not turn over when you put the key in and turn it to start the vehicle. I've checked the battery connections and for corrosion and neither are present. Need help

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Start with the connection on the starter[remove the negative cable first].Make sure all the ends are clean and tight,if you find no problem there then have the starter tested.If it tests good then you may need a neutral safety switch or a key switch,you can check these by seeing if power gets to the small post of the starter when the ignition is in the start position,if no the the ignition or neutral switch is bad,if yes the starter is bad.

Posted on Feb 01, 2010

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Year ? 350 ? 4.3 V6 ? Probably the starter. Have someone go under passenger side with a small hammer. Turn key to start, if it does not just hold key in start postion, and have person tap on starter, if it starts it is the starter, if not I will need more info.

Posted on Feb 01, 2010

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