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Car will not crank

Tiny
BRANDYDANIELLE18
  • MEMBER
  • 2014 CHEVROLET SONIC
  • 1.8L
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 50,000 MILES
Car will not crank. The starter and battery are fine. CEL code is only showing code for relay for the cooling fan. All lights inside and outside of car work. (I.E. Headlights, dome lights, dash and radio). When trying to start the dash lights go out for a second until the key is released back to on position.
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Thursday, July 20th, 2017 AT 6:58 AM

5 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,895 POSTS
Hello,

It sounds like your battery is weak and needs to be replaced, Here is a test to confirm:

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

And if the battery fails here is a guide to help you change it out.

https://www.2carpros.com/articles/how-to-replace-a-car-battery

and then check the alternator as well.

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

Please run this test and get back to us we are interested to see what it is.

Cheers, Ken
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Thursday, July 20th, 2017 AT 12:32 PM
Tiny
BRANDYDANIELLE18
  • MEMBER
  • 3 POSTS
The battery is new. So is alternator.
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Thursday, July 20th, 2017 AT 3:13 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,895 POSTS
Does the starter get power at the trigger wire?

Here is a guide to help you find out. Check out toward the bottom of the guide.

https://www.2carpros.com/articles/car-engine-will-not-crank-over

You might need to jack the car up as well.

https://www.2carpros.com/articles/jack-up-and-lift-your-car-safely

Please let us know what happens.

Cheers, Ken
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Friday, July 21st, 2017 AT 10:16 AM
Tiny
BRANDYDANIELLE18
  • MEMBER
  • 3 POSTS
Yes the starter is getting power. I have crossed out the wires to the starter and the car will try to crank.
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Wednesday, July 26th, 2017 AT 6:25 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,895 POSTS
Okay then it must not be getting a trigger signal. There is a starter relay that can be causing the trouble. Also is the security light flashing?

Here is a guide and a wiring diagram and fuse and relay location (below) so you can run so tests.

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

and

https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester

and

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

Please run some tests and get back to us we are interested to see what it is.

Cheers, Ken
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Friday, July 28th, 2017 AT 10:57 AM

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