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RS2 JIM
Trainee


Joined: 28 Nov 2009
Posts: 59
Location: Aberdeen


PostPosted: Mon Jul 10, 2017 1:43 pm    Post subject: Retrofitting heated seats into a non-heated seats car Reply with quote

Hi,

I'm just about to pull the trigger on a 911 that lacks heated seats but has all of the other spec i would like. It is currently fitted with the standard 14-way Sport seats and i intend to fit a set of the 18-way Sport plus seats with heating.

Has anyone done this and if so, is it as simple as bolting the replacement seats in, plugging in the elec connections at the seat end and then replacing the A/C control switches for a set that have the heated seat button or is there a lot more to it?

Thanks

James
_________________
Current:
'77 911 Carrera 3.0 Targa Sport
'07 Vanquish S
'13 FFRR
'68 Alfa Romeo GT Junior Racecar
'15 Mercedes C63 AMG Saloon

Previous Porsches:
'08 997.1 2S
'02 996 C4S
'99 996 C4
 
  
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Disco
Estoril


Joined: 13 May 2008
Posts: 3598
Location: Hertfordshire

2010 Porsche 997 GT3

PostPosted: Mon Jul 10, 2017 2:20 pm    Post subject: Reply with quote

Even if the wiring loom did support it by default (you'll have to wait for the experts to chime in for that - I don't know how modular 991 seat connections are), I would be very surprised if it worked without an OPC or specialist independent having to plug a PIWIS console into it to enable the change.
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Colin

Black 997 GT3 3.8 CS - Acquired for the 2012 season and beyond
Black 996 GT3 Mk2 - Gone, but will never be forgotten
 
  
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RS2 JIM
Trainee


Joined: 28 Nov 2009
Posts: 59
Location: Aberdeen


PostPosted: Mon Jul 10, 2017 2:23 pm    Post subject: Reply with quote

Thanks for the response.

I must admit i'm a little skeptical but am being told that the connections are the same. It was mentioned that the car/ECU may need told that there are now heated seats but that the loom supports it from the factory so no wiring needed. As i said, it sounds a little too good to be true if i'm honest.
_________________
Current:
'77 911 Carrera 3.0 Targa Sport
'07 Vanquish S
'13 FFRR
'68 Alfa Romeo GT Junior Racecar
'15 Mercedes C63 AMG Saloon

Previous Porsches:
'08 997.1 2S
'02 996 C4S
'99 996 C4
 
  
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rhino-man
Silverstone


Joined: 17 Oct 2015
Posts: 106
Location: Kent


PostPosted: Wed Sep 13, 2017 9:11 pm    Post subject: Reply with quote

Did you do this, did it work?
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2010 997.2 C4S
2002 996 C2 Convertible
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