1997 Buick Lesabre Under Hood Relay Diagram

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Relays and Maxi Fuse Center under hood?

Thread author LeSabre3437
Start date Oct 2, 2009

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Buick Ownership: Buick

Can anyone help in defining what each relay goes to? I have searched the internet and can't find anything on them...car is a 1994.

My current problem is the power door lock buttons (both driver side and passenger) will only operate the driver door lock. I don't hear any noise from the other three doors...so I don't think the actuators are broken. I have heard that the three doors are on their own relay. All my fuses are good. Hoping someone can help before I start tracing with my volt meter.

Can anyone help in defining what each relay goes to? I have searched the internet and can't find anything on them...
My current problem is the power door lock buttons (both driver side and passenger) will only operate the driver door lock. I don't hear any noise from the other three doors...so I don't think the actuators are broken. I have heard that the three doors are on their own relay. All my fuses are good. Hoping someone can help before I start tracing with my volt meter.

Might help to know the year of your car!

It it's 99 and older it has another set of fuses and relays on the A pillar next to the passenger's feet. TAke off the hush panel and there's a diagram showing which fuse and relay does what there...

Don't know what year this is from, but it might help if your car is 1999 and older.

If your car is 2000 and newer, some have had trouble with a wire that meets three wires under the driver's seat. The connection corrodes and the driver's door module can't communicate with the other three doors.

Thread author
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Buick Ownership: Buick

Can't thank you enough for the help. I knew something wasn't right with the limited amount of fuses and relays that I found under the hood and on the drivers side. The other ones, as you said, are hidden on the passenger side. I pulled the door lock relay and swapped it with another one from that fuse block...BINGO! All four door locks are now working with the power lock button! Now just a quick stop at the parts store for a new relay. Thank you so much for saving me all the tracing/troubleshooting!!! Forgot to mention, again, my LeSabre is a '94.

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Can't thank you enough for the help. I knew something wasn't right with the limited amount of fuses and relays that I found under the hood and on the drivers side. The other ones, as you said, are hidden on the passenger side. I pulled the door lock relay and swapped it with another one from that fuse block...BINGO! All four door locks are now working with the power lock button! Now just a quick stop at the parts store for a new relay. Thank you so much for saving me all the tracing/troubleshooting!!! Forgot to mention, again, my LeSabre is a '94.

I don't know if the general parts stores stock the relays. It might be a dealer item. It's worth a phone call in advance to check.

I'm glad the forum helped you. Thanks for taking the time to post what you found.