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Join Date: Feb 2001
Location: South of the Mason-Dixon Line
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Does the 1973.5T have a Thermotime Switch?
Does anyone know if the 1973.5T/CIS uses a thermotime switch? If so, do you know where it is located?
Thanks Bob |
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12-12-2007, 08:20 AM
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Somatic Negative Optimist
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Post a picture of the left chain cover.
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1980 Carrerarized SC with SS 3.2, LSD & Extras. SOLD! 1995 seafoam-green 993 C2, LSD, Sport seats.  Abstract Darwin Ipso Facto: "Life is evolutionary random and has no meaning as evidenced by 7 Billion paranoid talking monkeys with super-inflated egos and matching vanity worshipping illusionary Gods and Saviors ". 
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12-12-2007, 09:08 AM
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I am trying to get an answer without pulling the muffler off and photographing the left side of the chain cover!
Someone has had experience with this before who ventures to this board. Bob |
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12-12-2007, 09:58 AM
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Somatic Negative Optimist
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Bob:
Why would you pull the muffler off? The picture is taken from the top, no big deal. Open the lid and peek into the area of the left chain cover. Take a picture of the left chain cover from the top so we can tell what's there.
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1980 Carrerarized SC with SS 3.2, LSD & Extras. SOLD! 1995 seafoam-green 993 C2, LSD, Sport seats. Abstract Darwin Ipso Facto: "Life is evolutionary random and has no meaning as evidenced by 7 Billion paranoid talking monkeys with super-inflated egos and matching vanity worshipping illusionary Gods and Saviors ".
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12-12-2007, 10:41 AM
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No photo capibility!
This is indeed frustrating.............If I look at the chain cover to the left from the top and see the wires coming from a screwed in fitting, I betcha thats a thermotime switch. BUT, I do not have my 1973.5T sitting at the office parking lot right now, so hence the question today to my fellow Pelicanheads. Obviously Gunter you have no clue if the 73.5T uses a thermotime switch without a photo of the chain cover, so that makes it a mystery for both of us right now. Appreciate the support however. |
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12-12-2007, 11:34 AM
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Somatic Negative Optimist
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Bob:
Finally. So, you see a plug with wires on the left chain cover; that should be the TTS. I do have extensive knowledge of K-Jetronic CIS and like others have told you, the '73.5 should have one but some say not. People can only help you if you participate. Who knows what was done to your wiring or what your set-up is? I hope you can read the electrical schematic for your year and are able to trace wiring; I wish you good luck.
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1980 Carrerarized SC with SS 3.2, LSD & Extras. SOLD! 1995 seafoam-green 993 C2, LSD, Sport seats. Abstract Darwin Ipso Facto: "Life is evolutionary random and has no meaning as evidenced by 7 Billion paranoid talking monkeys with super-inflated egos and matching vanity worshipping illusionary Gods and Saviors ".
Last edited by Gunter; 12-13-2007 at 08:30 AM.. Reason: HarryD has the answer. |
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12-13-2007, 07:32 AM
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Gunter...
Jump over to the other thread on the thermotime switch. I appears that my year (1973.5T) was by-passed on the switch or that is the concensus thus far. |
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12-13-2007, 07:41 AM
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Location: Ontario, California
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The thermotime switch wasn't added until 1974 2.7 model engine
Here is a web site with CIS informaiton http://members.rennlist.com/jimwms/CIS/CIShome.html |
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12-13-2007, 07:44 AM
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My 1973.5 does not have a thermo time switch. The only electrical connections are to the startup injector and the WUR. You use the hand throttle to adjust the throttle plate during warmup.
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Harry 1970 VW Sunroof Bus - "The Magic Bus" 1971 Jaguar XKE 2+2 V12 Coupe - {insert name here} 1973.5 911T Targa - "Smokey" 2020 MB E350 4Matic |
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12-13-2007, 07:45 AM
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Gentlemen..........
On behalf of the Porsche nation, I GREATLY appreciate the information that has been furnished finally puts to rest the question of, "does the 1973.5T have a thermotime switch" ? That literature is priceless! I can rest easy now.................. Thanks Bob 1973.5T - Sepia of course |
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12-13-2007, 07:54 AM
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ME 262 (SOLD)
Colibri
Gas Mizer
Mileage King
Dog Bus
