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Join Date: Apr 2004
Posts: 301
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UKUD (Unknown Knob Under Dash)
Can anyone identify this knob under the dash of my '78 930?
It doesn't seem to do anything and I can't view the top side of it to see what it might be attached to. My next course of action is to remove it. 
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02-05-2009, 07:42 PM
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You know, I have one too. Left of the steering wheel though. Also connected to nothing.
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The 911 divided the world between those who could drive and the rest 80 930. 96 993 supercup. 95 993 gt2 evolution. 83 956. 89 Testarossa. 91 512 tr. 89 ur quattro |
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02-05-2009, 07:55 PM
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Formerly known as Syzygy
Join Date: Mar 2008
Location: Calgary, AB
Posts: 4,420
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02-05-2009, 08:11 PM
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Join Date: Dec 2006
Location: P-Town, OR
Posts: 1,229
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It is the passenger Ejection seat button.
Mostly used in the cases where the passenger doesent appreciate a Porsche! |
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02-05-2009, 08:15 PM
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Posts: 770
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Adjustable boost? Maybe the hoses from the wastegate control line and wastegate vent are not there in which case, the knob would do nothing if it is adjustable boost.
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02-05-2009, 08:18 PM
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I was thinking mine is for the warp drive, but disconnected for safety.
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The 911 divided the world between those who could drive and the rest 80 930. 96 993 supercup. 95 993 gt2 evolution. 83 956. 89 Testarossa. 91 512 tr. 89 ur quattro |
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02-05-2009, 09:21 PM
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Romulan cloaking device?
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Make sure to check out my balls in the Pelican Parts Catalog! 917 inspired shift knobs. '84 Targa - Arena Red - AX #104 '07 Toyota Camry Hybrid - Yes, I'm that guy... '01 Toyota Corolla - Urban Camouflage - SOLD |
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02-05-2009, 09:40 PM
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Dog-faced pony soldier
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Flux capacitor.
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A car, a 911, a motorbike and a few surfboards Black Cars Matter |
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02-05-2009, 10:40 PM
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Yeah, I thought it was the flux too. But then I realized that on my car, the flux works automatically off of the WUR. As for that Romulan Cloaking device, I think it would be a good project. I guess I could wire it all up to that under dash switch for a completely stock appearance. Yeah, I might do that once I finish installing these nifty NOS Incom T-65 deflector shields I found for a good price.
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The 911 divided the world between those who could drive and the rest 80 930. 96 993 supercup. 95 993 gt2 evolution. 83 956. 89 Testarossa. 91 512 tr. 89 ur quattro Last edited by Ed Bighi; 02-05-2009 at 11:27 PM.. |
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02-05-2009, 11:24 PM
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Join Date: Oct 2006
Posts: 452
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Can't really tell for sure but you may be able to view the rest of the switch from the trunk area behind the blower motor cover.
Is this a rotary or pull switch?
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pozee |
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02-06-2009, 02:46 AM
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Posts: 301
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Quote:
 The knob is a rotary/threaded unit. 99% sure it is not a boost knob. |
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02-06-2009, 05:25 AM
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Location: New Jersey
Posts: 1,861
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I have a pull switch under the dash on my 78 that is a poor man's anti-thieft device. The switch disables the fuel pump in the run mode. The car will start then die when you stop cranking. The circuit was posted in Up-fixin' and I would guess pano back in the day.
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Peace, Ron www.ronorlando.net 78SC Targa 3.2 SS, 964 cams, CIS, SSI's,Dansk Own a gun and you can rob a bank , own a bank and you can rob the world. |
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02-06-2009, 05:49 AM
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resident samsquamch
Join Date: Oct 2005
Location: Cooterville, Cackalacky
Posts: 6,815
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That actuates the...um...er...ah...uh..."Pump"! It was an option available to the Euro cars.
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-jeff back in the saddle: '95 993 - just another black C2 *SOLD*: '87 930 GP White - heroin would have been a cheaper addiction... "Ladies and Gentlemen, from Boston Massachusetts, we are Morphine, at your service..." - Mark Sandman (RIP  )
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02-06-2009, 05:56 AM
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1980 Porsche 930
1984 Porsche Targa 3.2L
