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No crank no start?

Tiny
MK7CASEY
  • MEMBER
  • 2007 CHEVROLET IMPALA
  • 5.3L
  • V8
  • 2WD
  • AUTOMATIC
  • 185,000 MILES
I have the car listed above SS model.
I have had a no crank no start, not turning on or starting no audible click with starter either. Just put a brand-new starter in the car and I am still experiencing the same exact issue.
Wednesday, November 17th, 2021 AT 7:10 AM

9 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good morning,

I attached a wiring diagram for you to view.

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

You need to test for any power to the starter solenoid with the key in the start position.

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

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

This could be a bad starter, relay, or park/neutral switch.

Roy
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Wednesday, November 17th, 2021 AT 8:00 AM
Tiny
MK7CASEY
  • MEMBER
  • 17 POSTS
I am guessing I will use a test light to test the purple wire at the starter for power then?
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Wednesday, November 17th, 2021 AT 8:56 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
That will be fine. It should have power only in the start position.

Roy
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Wednesday, November 17th, 2021 AT 8:58 AM
Tiny
MK7CASEY
  • MEMBER
  • 17 POSTS
Okay, as soon as I get home I will start testing. Also not sure if this rules out the Neutral Safety Switch but the car doesn't start in neutral either.
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Wednesday, November 17th, 2021 AT 9:04 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Check and see if the backup lights work. If they work, then you may be correct.

Roy
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Wednesday, November 17th, 2021 AT 9:05 AM
Tiny
MK7CASEY
  • MEMBER
  • 17 POSTS
Ignition to on position and I’m not getting power from the purple wire.
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Wednesday, November 17th, 2021 AT 3:30 PM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
As I stated, the key needs to be in the start position, not the on position.

Try it that way and let me know.

Roy
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Wednesday, November 17th, 2021 AT 3:32 PM
Tiny
MK7CASEY
  • MEMBER
  • 17 POSTS
Found the issue was my starter relay, I took it out adjusted the pins and the car starts every time now.
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Tuesday, November 23rd, 2021 AT 5:56 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good find.

Glad to hear it works.

Roy
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Tuesday, November 23rd, 2021 AT 5:57 AM

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