Does not start and there are no sounds when turning the key

Tiny
JBNAGENGAST
  • MEMBER
  • 2000 CHEVROLET BLAZER
  • 4.3L
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 130,000 MILES
Has plenty of battery power, but will not start or make any noise when turning the key.
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Sunday, February 21st, 2021 AT 2:14 PM

3 Replies

Tiny
JACOBANDNICKOLAS
  • EXPERT
Hi,

This could be a few things. The starter relay, a fuse, the starter, and the list goes on.

The first and easiest thing to do is see if it will start in neutral. There could be an issue with the park/neutral safety switch.

If it still doesn't start, I need you to check the ign A fuse and the starter relay. See pic 1. They are both in the underhood fuse box.

In addition to checking the fuse, make sure there is power to it. Here is a link you may find helpful:

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

Also, switch the relay with a different one in the box having the same part number. If there isn't one, here is a link that explains how to check one:

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

_________________________________

IF everything checks good, then we need to determine if there is power to the starter. On the starter, there is a heavy gauge wire direct from the battery. It always has 12v. There is a smaller wire that only gets 12v when the key is in the start position. You will need a helper to check it. If the smaller wire does get power, the starter is bad.

Here is a link that will help you:

https://www.2carpros.com/articles/starter-not-working-repair

Let me know what you find or if you have other questions.

Take care and God Bless,

Joe
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Sunday, February 21st, 2021 AT 6:21 PM
Tiny
JBNAGENGAST
  • MEMBER
Thanks Joe. I've tried pretty much all those things, except I haven't checked things with a test light yet, but I will. Every fuse that has anything to do with ignition, looks good, and I did switch breakers around. I even replaced the 175 amp relay that's located under the battery tray. Next will be messing with the starter. It's just very tight under there. Can't even tap on it with a hammer. Thanks for your help. Take care, Jay
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Monday, February 22nd, 2021 AT 6:49 AM
Tiny
JACOBANDNICKOLAS
  • EXPERT
Hi,

I completely understand. There isn't a lot of room.

If you have a chance, let me know what you find as far as power to the starter.

Take care and let me know.

Joe
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Monday, February 22nd, 2021 AT 6:38 PM

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