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Architecture & Porsche's
 
Join Date: Jan 2006
Location: Austin, Texas
Posts: 3,189
Where's the OBD port for a 1991 GT??

I cannot find the OBD port to sharktune my 1991 GT-turbo, can anyone shed some light on this for me?

Thanks,

Mark

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Old 02-08-2013, 11:13 AM
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A Wrench
 
SeanR's Avatar
 
Join Date: Jul 2007
Location: DFW
Posts: 326
There isn't an OBD port. You have the diagnostic port under the passenger butt cheek cover though. It's round and you need an ST2 to use it.
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Old 02-08-2013, 07:18 PM
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Architecture & Porsche's
 
Join Date: Jan 2006
Location: Austin, Texas
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so its under the side amp cover between the seat & the sill? Looked all around/under the seat, didn't see the round port. Thanks Sean,

Mark
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Old 02-08-2013, 07:28 PM
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Join Date: Mar 2010
Location: Texas
Posts: 2,137
Yes Mark,
It's under the cover with the factory amp and the factory fan controller, next to the passenger seat.

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Old 02-08-2013, 08:10 PM
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