Replaced alternator and no start with key

Tiny
STNPTE68
  • MEMBER
  • 2007 CADILLAC CTS
  • 3.6L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 150,235 MILES
I can get it to turn over with a wire on the purple wire and to the positive but with the key it is not doing anything.
Monday, August 26th, 2019 AT 4:45 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,755 POSTS
Welcome to 2CarPros.

Have you checked the starter fuse as well as the starter relay? They are both located in the under hood fuse / relay box. I attached a picture below showing which ones to check.

Here are a few links you may find helpful:

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

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

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

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

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

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

_________________________________________

Let me know what you find.

Joe
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Wednesday, August 28th, 2019 AT 5:26 PM

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