When turning the key to start the car it does nothing?

Tiny
BENJAMINDAVID
  • MEMBER
  • 2004 PONTIAC GRAND PRIX
  • 3.8L
  • V6
  • 2WD
  • AUTOMATIC
  • 230,000 MILES
Been having this problem go on for months. Go to turn the key and it does not do anything. Change battery, already checked relays they good. Changed the ignition switch but without the key lock cylinder. So I'm thinking starter solenoid or key cylinder. Another thing it goes a month or two without it happening and then it starts again. For some reason I also tried jumping it off another vehicle it didn't do anything still. Yeah, I did this before I actually replaced battery but a jump box will start the car up everytime.
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Thursday, April 8th, 2021 AT 1:30 PM

1 Reply

Tiny
ASEMASTER6371
  • EXPERT
Good afternoon,

Did you check the voltage at the battery?

https://www.2carpros.com/articles/car-battery-load-test

https://www.2carpros.com/articles/everything-goes-dead-when-engine-is-cranked

When it does not start, you need to verify power to the starter solenoid. I attached a wiring diagram for you to view and I identified the wire that needs to be tested.

https://www.2carpros.com/articles/how-to-check-wiring

https://www.2carpros.com/articles/how-to-use-a-voltmeter

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

Roy
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Thursday, April 8th, 2021 AT 2:21 PM

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