Question about Buick LeSabre

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1997 buick lesabre fuel pump stops working and the electric windows stop working too. I have a bank of relays in front of the firewall but no way to tell which is what any ideas?

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Based on your post it appears you have two different concern because neither have any common power or ground

That being said, check the fuse under the dash #6 and the underhood circuit breaker #b6

here are the pictures of the fuse box under the hood
1997 buick lesabre fuel pump - e7b1e46.gif

here is the fuse box under the dash


fuel pump b+ = i/p #6 20a
fuel pump relay g115
relay b+ = ecm pin #8

window b+ = underhood 30cb
window relay g203
relay b+ = i/p #8d 10a

Posted on May 05, 2010


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The 97 Lesabre doesn't have a fuel cut off switch like some other vehicles do. The test I use is to check for power at the fuel pump harness connector near the fuel tank. When you turn the key from Off to Run the computer will close the fuel pump relay and supply power to the pump for about two seconds then it will turn the relay back off until you actually are cranking the engine over. This is a two person test as you need someone to turn the key to "Run" as the other person is checking for power at the connector. If you have over about 120,000 miles then the odds are pretty good that the pump has failed but It's always best to verify it with a test. Good luck and hope this helps!

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Locate the fuel pump relay in the lineup of relays within the power distribution center. If you're looking at the relays from the correct position, you should see two horizontal rows of five. Count from the right over to the third relay in the top row. This is your LeSabre's rear defogger relay; directly below it is the fuel pump relay. Disconnected and connected again to electrical reset it.

Additionally, this video could be helpful, 93 Buick Lesabre fuel pump relay location...

Good luck.

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