How do I check the starter relay

Tiny
LEON PEARSALL
  • MEMBER
  • 1999 CADILLAC DEVILLE
Electrical problem V8 Front Wheel Drive Automatic 80,000 miles

Cannot get the starter to engage. Have cleaned all terminals & replaced the battery. When I turn the switch I get nothing. I have tried the second set of keys. I love this site
Saturday, May 15th, 2010 AT 10:48 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,256 POSTS
Hello,

Yep there is a starter relay under the hood on the left side of the engine compartment. I would check the entire circuit here is a couple of repair guides that will help you see whats going on and test the relay.

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

and

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

If the starter turn out to be bad here is a guide that will help you test and replace the starter.

https://www.2carpros.com/articles/how-to-replace-a-starter-motor

The starter in your car is under the intake manifold.

Here are the start wiring diagrams and fuse and relay locations (below)

Please let us know what you find.

Cheers, Ken
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Saturday, November 11th, 2017 AT 5:41 PM

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