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Engine shut off and gauges maxed out


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Tom4101441
New User

Jan 12, 2018, 9:50 AM

Post #1 of 7 (85 views)
Engine shut off and gauges maxed out Sign In

I have a 2002 GMC Sierra 1500 2-wheel drive. Recently my wife was driving the truck when the engine just shut off. Here is what exactly happened, my wife started the truck up without any problems. She went to the store approximately 4 miles away and shut the truck off. The truck started up just fine again and she left the store. She came to a stop light and stopped, then when the light turned green she proceeded to accelerate. At first the truck reacted fine, then suddenly everything shut off. The engine shut off and all gauges shut off. She was able to get it off the road. She turned the key all the way off and tried to start again, but nothing. She called me and after speaking with her for about 5 minutes she tried again and the truck started and all gauges worked normally. I informed her to take the truck home and park it. Upon getting the truck home she and backing it into the driveway the engine shut off again. She turned the key off and tried to start it again to see if it would start, but nothing. Instead, this time, the temperature gauge needle began spinning and the fuel gauge maxed out beyond its normal fuel mark. She turned the key all the way off, but the gauges remained acting as if the key was still on. I told her to disconnect the battery and I would look at it when I got home. 4 days later I got home and just wanting to see what happened I connected the batteries and the truck started without any problem. I let it idle for awhile and pressed the accelerator and the engine cut off, but, when restarting the engine it fired up without a problem. I drove it for about 5 minutes and had no problems. I got back to my house and decided to check to see if there might be any problems with the battery cables since they are the original cables on the vehicle with over 155,000 miles. I was checking to see if there may be internal corrosion causing resistance, but there was no high resistance. Both the negative and positive cables OHMs were 0.004. I took apart the steering column to inspect the ignition switch, but see no evidence of external problems. Hope this information helps in trying to assist me in figuring out the problem. My email is deleted


(This post was edited by Hammer Time on Jan 12, 2018, 1:56 PM)


Discretesignals
Ultimate Carjunky / Moderator
Discretesignals profile image

Jan 12, 2018, 10:38 AM

Post #2 of 7 (74 views)
Re: Engine shut off and gauges maxed out Sign In

The next time it doesn't want to start or the gauges are not working check for power on the IGN0 10amp fuse in the left fuse block? The fuse protects the circuits for the instrument cluster, transmission solenoids, and the PCM. Power to the fuse comes from the ignition switch.





Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.


Tom4101441
New User

Jan 12, 2018, 11:06 AM

Post #3 of 7 (69 views)
Re: Engine shut off and gauges maxed out Sign In

Could the ignition switch internally ground out causing the problem?


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Jan 12, 2018, 2:00 PM

Post #4 of 7 (58 views)
Re: Engine shut off and gauges maxed out Sign In

I just don't understand when somebody is totally lost repairing their car and a professional tech tells them how to proceed but they come back with, could it be something else.

I also did you a favor and deleted your e-mail address. The spammers would have devoured that.



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



Tom4101441
New User

Jan 13, 2018, 6:38 AM

Post #5 of 7 (37 views)
Re: Engine shut off and gauges maxed out Sign In

I was not questioning the professional technicians comment. It was a simple question if an ignition switch could internally ground out. I listened to what the technician said. If asking a simple question about something I would like an answer to is a serious problem then please glad you deleted my email address. If you are really that touchy and sensitive about one simple question for knowledge then maybe this forum is not for me and should be ignored. I never once questioned what the professional technician stated. NOT ONCE!!! Thank you for opening my eyes to the reality of this forum. Have anice freaking day.


Hammer Time
Ultimate Carjunky / Moderator
Hammer Time profile image

Jan 13, 2018, 11:58 AM

Post #6 of 7 (35 views)
Re: Engine shut off and gauges maxed out Sign In

No, you never questioned the advice/test that you were asked to perform, you just ignored it.

Not a problem, if you are not 100% satisfied, I will get you a full refund.



~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.



Discretesignals
Ultimate Carjunky / Moderator
Discretesignals profile image

Jan 13, 2018, 8:32 PM

Post #7 of 7 (21 views)
Re: Engine shut off and gauges maxed out Sign In

It's highly unlikely the ignition switch would short to ground. If it did, it would blow a maxifuse. There are several circuits that run through the switch that get power in different switch positions. Usually an ignition switch will fail open circuit or will cause high resistance in a circuit.
It's important to find out if you have low or no voltage at that fuse when the problem is occurring because that will tell you if you need to make an electrical check at the ignition switch itself to see if it is the culprit.





Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.

(This post was edited by Discretesignals on Jan 13, 2018, 8:34 PM)






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