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Old 10-13-2011, 05:06 PM   #1
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1989 34.5' Airstream 345
Saint Petersburg , Florida
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Power Seat Switches

Hi all,
Looked through the postings, and nothing came up, so here goes.
Moved my driver's seat all the way forward when I vacuumed and cleaned the carpets. Went to get into the Airstream today, and now the Drivers Seat switch refuses to move the seat back far enough for me to drive! Thinking I'm pulling the passenger seat switch, swapping it with Driver's seat switch until I get this figured out. Any suggestions? Any ideas?
Thanks, Derek
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Old 10-13-2011, 05:54 PM   #2
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Might be as simple as needing lubrication. I pulled mine and lubbed everything. I hooked up a 12 volt battery and it worked like new. Reinstalled it and it would barely move just like before. Found a bad ground which seems to be a ommon cause for a lot of the electrical problems I've tracked down. If not, I think those switches are pretty commmon GM parts. The U-Pull-It junk yards can be a great source for $5 fixes. I restore old vehicles and admit to being certified dumpster dive master.
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Old 10-13-2011, 05:59 PM   #3
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Hi Dakota, seat moves fine forward, it's practically under steering wheel now, lol. Guessing that the switch to move it backwards either has faulty ground switch, or just needs replacing. I've seen these power seat controls in practically every GM car while growing up (friend was a Buick Dealer), so have a feeling I'm junkyard bound if the wiring isn't the cause. Thanks, Derek
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Old 10-13-2011, 06:21 PM   #4
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I went through this once. In a pinch, the seat was moved back out of the way by swapping the switches out from the other side. I only hooked up the wire connectors to move the seat. This also confirmed that my problem was the switch & not the wiring.
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Old 10-13-2011, 09:21 PM   #5
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Hi, I didn't have time to get to the switches this evening. I'm sure over the weekend I will though. Guessing that if by moving passenger side switch to drivers side, and all works, it's time to go to the local junk yard. Thanks, Derek
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Old 09-23-2021, 09:30 AM   #6
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Quote:
Originally Posted by Kota View Post
Might be as simple as needing lubrication. I pulled mine and lubbed everything. I hooked up a 12 volt battery and it worked like new. Reinstalled it and it would barely move just like before. Found a bad ground which seems to be a ommon cause for a lot of the electrical problems I've tracked down. If not, I think those switches are pretty commmon GM parts. The U-Pull-It junk yards can be a great source for $5 fixes. I restore old vehicles and admit to being certified dumpster dive master.
Just had my both seats die so must be a ground for both ? where is that located
or is there a fuse just for the seats I can find.This is the first time in 35 years ! my seats always work great
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Old 09-23-2021, 09:50 AM   #7
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Originally Posted by Paul J Mauro View Post
Just had my both seats die so must be a ground for both ? where is that located
or is there a fuse just for the seats I can find.This is the first time in 35 years ! my seats always work great
On my 84 310 there was an automatic circuit breaker mounted on the drivers side vertical post inside the front engine cover. It powered both seats.
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Old 09-24-2021, 06:39 AM   #8
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Originally Posted by bkahler View Post
On my 84 310 there was an automatic circuit breaker mounted on the drivers side vertical post inside the front engine cover. It powered both seats.
going to look for that cant be the seat motors if both just stopped after all these years .but loose ground wires are always my issues
thx
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Old 09-24-2021, 06:56 AM   #9
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There are no ground wires. Grounding is done through the frames.
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Old 09-24-2021, 08:11 AM   #10
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Quote:
Originally Posted by Paul J Mauro View Post
going to look for that cant be the seat motors if both just stopped after all these years .but loose ground wires are always my issues
thx
ok bummer no circuit breaker on the 85 345 maybe they changed to another location to mystify us .gotta keep looking -dreading taking the dashboard out
yet again!

pulled the switches they look ok so its a no power problem back to the fuse hunt
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Old 03-09-2022, 05:09 PM   #11
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I'm in the same pickle. To get the seat, back I reversed the switch to get seatback. Now to find the proper fix!
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Old 03-09-2022, 08:25 PM   #12
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Mine did this as well. I took out the switches, disassembled and soaked them in lacquer thinner over night. Dried them out, lubed them, wire brushed all the contacts (on the switches and the wiring loom) and put them back in. everything works like it should now.
you'd be surprised as to what years of spilled drinks into those switches will leave behind.
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Old 05-20-2022, 11:11 AM   #13
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Quote:
Originally Posted by bkahler View Post
There are no ground wires. Grounding is done through the frames.
so it must eb the switch right
which FUSE controlls the power ? I see no fuse labeled "seats" ??
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Old 05-21-2022, 06:07 AM   #14
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Our switches dont work so well anymore either. I pulled both switches and tried electrical contact cleaner last year without significant improvement. Might be time for a more invasive cleaning.

If a switch works in one direction, I found ours are reversible. As a temporary fix, remove and re-install it 180 degrees to get the seat to move in the opposite direction. Also, left and right sides are interchangeable.

The 1984 Airstream Service Manual makes no mention of what circuits power the seats. My guess is the RS and CS lighter circuits C1 & C2. See picture below.

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Luis
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Old 05-21-2022, 06:57 AM   #15
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Quote:
Originally Posted by LM782 View Post
Our switches dont work so well anymore either. I pulled both switches and tried electrical contact cleaner last year without significant improvement. Might be time for a more invasive cleaning.

If a switch works in one direction, I found ours are reversible. As a temporary fix, remove and re-install it 180 degrees to get the seat to move in the opposite direction. Also, left and right sides are interchangeable.

The 1984 Airstream Service Manual makes no mention of what circuits power the seats. My guess is the RS and CS lighter circuits C1 & C2. See picture below.

Attachment 416331
Luis
Ok thanks thought I missed it in the 1985 manual.so I will recheck those fuses and circuits .
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Old 05-22-2022, 05:04 PM   #16
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thanks seat fixed

Quote:
Originally Posted by Paul J Mauro View Post
Ok thanks thought I missed it in the 1985 manual.so I will recheck those fuses and circuits .
yes found the circuit breaker on the driver side (outside) as everybody said
that was the problem
seats working !

Thanks all .
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Old 05-22-2022, 06:00 PM   #17
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power seat controlls

Quote:
Originally Posted by 3 Dog Nite View Post
I went through this once. In a pinch, the seat was moved back out of the way by swapping the switches out from the other side. I only hooked up the wire connectors to move the seat. This also confirmed that my problem was the switch & not the wiring.
did you ever find any replacement power seat controlls ?
I fried one of mine on the passenger side .short,melt ,blew circuit breaker so I need a new one so my wife will be happy again
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Old 07-07-2022, 10:53 AM   #18
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Quote:
Originally Posted by Paul J Mauro View Post
did you ever find any replacement power seat controlls ?

I fried one of mine on the passenger side .short,melt ,blew circuit breaker so I need a new one so my wife will be happy again


I removed the original seat controls from my 310 for an upgrade.
Both are available if anyone is interested.
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