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Old 09-19-2012, 10:10 PM   #1
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Default power seat problem

my son'* bonneville driver seat does not work. checked owners manual, no fuse just a circut breaker for both front seats. passenger seat works fine. any suggestions on where to begin? thanks
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Old 09-20-2012, 09:56 AM   #2
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Did you check the circuit breaker (position 56 in the panel under the rear seat) to make sure it'* not tripped?
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Old 09-20-2012, 10:01 AM   #3
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Never mind, the circuit breaker controls both seats. If the passenger seat is working the circuit breaker is okay.

There are two nuts under the front edge of the seat (10 mm wrench) that hold the seat cushion down. Remove the 2 nuts, lift the front of the seat cushion, and you will see a seat control module. Check to see if the module on the driver seat is the same as the module on the passenger seat. If they are the same, switch them. If the problem moves to the passenger seat you found the problem.

If that doesn't work, next step is to pull the driver'* seat (not difficult to do) and examine the condition of the ground buss located under the carpet beneath the driver'* seat.
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Old 09-20-2012, 06:00 PM   #4
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Default power seat problem

Thanks Roy! I always need a starting point rather than start tearing things apart wildly. Is there any way I can move the seat back manually?
Thanks again
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Old 09-21-2012, 09:46 AM   #5
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If you pull the seat to check the ground buss, you should be able to reposition the positioning brackets on the bottom of the seat manually. Look for the mechanism that drives the adjustor, unbolt it, reposition the stationary brackets (the ones that bolt to the floor) and re-attach the drive mechanism. Make sure the left and right brackets are in the same fore/aft position or you won't be able to bolt the seat back down.

If you are pulling the seat, the only tool you will need that you might not have is a socket with a torx driver ... I think it'* a T55 but I am not really sure. Let me know if you want me to check what size it is on my car tonight. The plastic brackets that cover the front and rear bolts that anchor the seat to the floor just pull/pry off. Just do it carefully so you don't break them.

If you pull the seat, take the opportunity to clean and re-lubricate all the moving parts under the seat. I use a which lithium grease for that, but that is just a personal choice.
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Old 09-21-2012, 05:51 PM   #6
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Default power seat!!

thanks again roy! i hads to buy a set of torx for my bonnie so I'm all set there. had to pull my seats for corroded wires and wet carpet! the module under the seat is different from the passenger side. my 2000 is different also.the investigation begins!
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Old 09-24-2012, 11:03 PM   #7
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after reading Roys post about the ground buss under the seat I decided to check the sun roof drains. guess what? two large cups of water disappeared!!! I know what has to be done now!!
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Old 09-25-2012, 11:39 AM   #8
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Quote:
Originally Posted by kaptainkhaos View Post
after reading Roys post about the ground buss under the seat I decided to check the sun roof drains. guess what? two large cups of water disappeared!!! I know what has to be done now!!
Front drains are a pain because they are in two pieces, and come apart where you can't get at them. I did a post a while back on how to replace them. Let me know if you can't find it.
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Old 09-25-2012, 11:47 AM   #9
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I found the write up I was thinking about on how to replace the front sunroof drain tubes:

https://www.gmforum.com/2000-2005-90...-locks-282938/
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