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Registered
Join Date: Jan 2002
Location: SoCal
Posts: 153
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Power seat problem
I have an 87 S4 and I installed a new switch on the passenger seat for the rear height and back tilt adjustment and when I plugged the seat in and tried out the new switch and nothing happened, no movement or sound. The other switch for the front height and forward/back adjustment works. I'm guessing the motor for the rear functions is bad? Any other possibilities?
Last edited by 1968-912-coupe; 08-07-2011 at 06:15 AM.. |
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08-07-2011, 12:12 AM
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Petie3rd
Join Date: Jul 2000
Location: Philly PA
Posts: 4,528
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there are a few relays under the seat one may be burned up pul each one and smell for burning then check each one for operation
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^^^ Stan ^^^ 2019 BMW K1250 GS 2016 HD RK 1988 S4 Auto , Elfenbein Perlglanz, Pearl Gray 1982 5sp Met black and tan sport seats |
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08-07-2011, 04:25 AM
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Registered
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Location: SoCal
Posts: 153
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I didn't know there are relays under the seat. Where are they, what do they look like?
Last edited by 1968-912-coupe; 08-07-2011 at 06:13 AM.. |
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08-07-2011, 06:07 AM
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Petie3rd
Join Date: Jul 2000
Location: Philly PA
Posts: 4,528
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remove the seat bolts then flip the seat out onto a blanket then look under the seat for the relay panel they look like relays
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^^^ Stan ^^^ 2019 BMW K1250 GS 2016 HD RK 1988 S4 Auto , Elfenbein Perlglanz, Pearl Gray 1982 5sp Met black and tan sport seats |
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08-07-2011, 06:56 AM
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Registered
Join Date: Jan 2002
Location: SoCal
Posts: 153
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No relays under the seat.
Last edited by 1968-912-coupe; 08-07-2011 at 02:15 PM.. |
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08-07-2011, 02:00 PM
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Moderator
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I know the S4 seats I bought from DanglerB didn't have anything that looked like relays. Just a connector and the Motors.
It was a couple years back so I didn't think I saw any Relays.
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1981 Porsche 928 "Euro" Auto Gunsmoke Metallic Flat - Black Interior 1983 Porsche 928S "US" Auto Light Bronze (Copper) Metallic - Brown Interior **SOLD** 
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08-07-2011, 03:03 PM
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Registered
Join Date: Jan 2002
Location: SoCal
Posts: 153
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They're stock S4 seats.
If it was a bad relay wouldn't everything be dead or are there individual relays for front and rear controls? I think there's something called a power seat relay module. Can anybody confirm this and describe what it looks like and where it's located? Last edited by 1968-912-coupe; 08-10-2011 at 12:55 PM.. |
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08-07-2011, 07:33 PM
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