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1999 gmc jimmy starting problems

My 1999 Jimmy has taken to be hard to start when Hot or should I say at running temp. truck starts fine when cold or first start of the day. when I drive somewhere and turn the engine off, it can take 15 - 30 mins before car will start again. the problem is, when I turn the key to engage the starter, nothing happens, no clicking, nothing. after waiting for a period of time the truck finally decides to start. It happens every time I drive the truck. At first it was intermittant.

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  • Cars & Trucks Master
  • 21,873 Answers

Sounds like the brushes in the starter are not making contact, could be sticking or gummed up. Could also be the key switch or the neutral safety switch.
You would need to rig up a wire going down to the purple wire on the starter and check it for power when the engine will not crank. If it has power odds are the starter is the problem.

Posted on Jul 10, 2013

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Posted on Jan 02, 2017

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  • 4 Answers

SOURCE: Truck has hard time starting in morning.

What is the weather like when it does this?

Posted on Nov 09, 2008

StormStrikes
  • 104 Answers

SOURCE: can't remove key from ignition 2001 gmc jimmy

I dont know how much help this will be, but I'll offer it and let you be the judge.

Ive had this issue before in a different GM vehicle, a Pontiac Grand Prix. The issue turned out to be that the voltage from the battery was low due to corroded terminals. Once that was cleaned up and the voltage restored to normal, the key came out. Come to find out that this was a common issue in that vehicle, voltage goes low, you cant remove the key.

Now, on my vehicle and since yours is a GM product as well I will assume it will hold true for your vehicle too, there is a small hole on the bottom side of the column right in the area of where the ignition key cylinder is. If you have this, you can take a small tool like an allen wrench and push it up in there and that will press on a release mechanism that should allow you to turn the key back to its release position and pull the key out.

Hope this helps.

Posted on Dec 31, 2008

  • 79 Answers

SOURCE: 1999 GMC Jimmy Running Hot w/ Engine coolant reservoir empty

Hi
The problem is most likely 90% head gaskets but could be intake manifold gasket leaking too. Intake gasket has to be checked when intake is removed. Might find problem there if not continue and remove heads. Bars Leak will not work.

Posted on Apr 03, 2009

yotaguy
  • 232 Answers

SOURCE: Mazda Tribute Intermittent Starting problem

I can think of 2 possibles,it could be a bad battery cable or an intermitent short in the starter solenoid, check or have the battery cables and there connections on both ends first not only are they a cheaper fix but the problem you describe sounds like a current flow issue.Test them with or have them tested with an ohmmeter they should show o ohms resistance,and while not attributed to the problem I do not reccomend using Bosch spark plugs of any variety,the best plugs for any Japanese vehicle are NGK's,this comes from my personal experience with them and other techs that I have worked with.

Posted on May 09, 2009

  • 1 Answer

SOURCE: 1997 GMC Jimmy sometimes will not start

I had a similar problem several years ago on my 97 Jimmy. There is a switch in the steering column that had gone bad, had to be replaced and no problem since. The symptons sounded just like yours. My trusted mechanic found the problem after a lot of testing and fixed it.

Posted on Jun 30, 2009

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