Car shuts off?

Tiny
WILLS86
  • MEMBER
  • 2002 GMC YUKON
  • 5.3L
  • V8
  • 4WD
  • AUTOMATIC
  • 230,000 MILES
I got in my vehicle after 8 hours.
I cranked the car and allowed it to run for 5 minutes. Then I drove off. It shut off once and then I cut it back on and proceeded home. The instrument panel and headlights were flickering. When I pressed the accelerator, it would be fine. When I didn’t have it pressed like at a light the truck just completely shutter off! The horn or lights don’t even work. No door chime.
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Friday, November 17th, 2023 AT 9:09 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • CERTIFIED MECHANIC
  • 106,650 POSTS
Hi,

The first thing I suggest is to have both the battery and the alternator tested. Actually, we can do this with one check.

Here is a link that explains how to test an alternator. All you will need is a basic voltmeter or multimeter.

Follow the directions in this link and let me know the results:

https://www.2carpros.com/articles/how-to-check-a-car-alternator

Take care and I'll watch for your reply.

Joe
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Friday, November 17th, 2023 AT 10:15 PM

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