It will not crank. It doesn't even kick over?

Tiny
BENGRIM32
  • MEMBER
  • 2003 CHEVROLET SUBURBAN
  • V8
  • 2WD
  • AUTOMATIC
  • 125,000 MILES
However, it will not crank. It doesnt even kick over. The lights, radio, cd, dvd and everything inside the vehicle works. I have had the battery tested, alternator and the starter and all 3 tested fine. Does anyone have an answer?
Tuesday, June 30th, 2009 AT 10:24 AM

1 Reply

Tiny
SQM
  • MECHANIC
  • 6,383 POSTS
Hello,

If you turn the key and you do not hear any noise from the starter. That could be due to a faulty starter relay or a bad ignition switch.

The starter relay is what provides power to the starter. It is it bad then it will not provide the necessary power to starter and the engine will not start. The starter relay is located in the fuse bloc under the hood.
Check the relay for any corrosion and any burnt pin(s).
You can also test the relay.

https://www.2carpros.com/articles/how-to-check-an-electrical-relay-and-wiring-control-circuit

Another possible issue could be a bad ignition switch. The ignition switch is the electrical switch that the lock cylinder attaches to. A faulty ignition switch will not provide power to the starting system when the key is turned.

I have attached diagrams for your reference.

Please let me know of any questions.

Thank you.
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Tuesday, August 24th, 2021 AT 10:01 PM

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