Fuel pump relay location

1992 GMC JIMMY
200,000 MILES
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TINA1967
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  • 1 POST
No start, then approximately 24 hours later it started. now it will not start again but when I turn on the key it hums for a minute somewhere around the glove box.
Feb 3, 2019 at 12:39 PM
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JACOBANDNICKOLAS
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  • 110,175 POSTS
Hi and thanks for using 2CarPros.

The relay is located under the hood on the firewall. I attached a picture of its location Also, here is a link that shows how to test a relay:

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

Here are a few links you may find helpful when testing the relay:

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

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

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

Let me know if this helps or if you have other questions.

Take care,
Joe
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Feb 3, 2019 at 7:35 PM