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Registered
Join Date: Jun 2009
Location: Redwood Shores, CA
Posts: 162
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Engine heater fan, can I hook it up?
I recently purchased my first Porsche and learned a hard lesson, never buy anything you know nothing about and always pay a professional shop for a thorough inspection. Work required to get it right: clutch and associated linkage and cable, pedal rebuild, brakes, complete stock air filter box, complete tune up, manifold gaskets, tracing and correcting countless other vacumn leaks, hoses, stock exhaust system and transmission rebuild. Then off to DMV for visual inspection, got the DMV tag placed on car then took it for a smog test and it passed, burning very clean! Oh, after the smog test passing, I felt so good I went and purchased a stock steering wheel as the racing one looked stupid. My question is on the driver’s side of the motor, there is a fan with a black tube/cone/shrowd that someone told me was for the heater, but that it wouldn’t work on the 77 as there are no wires for it. Does this fan, when you pull up the heater control arms make the heated air come out faster? Can it be hooked up easily with just a switch and wire ?
Here is a picture of the engine with that thing I’m talking about on the left side, also putting 2 pictures of the car on. Thanks, Robert Faust, Redwood City, CA   
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09-11-2009, 06:49 PM
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Registered
Join Date: Nov 2005
Location: CA
Posts: 7,286
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I have similar question recently, if you search. If I can't find my problem, I might go the switch route
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Fat butt 911, 1987 |
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09-11-2009, 07:45 PM
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Registered
Join Date: Jul 2001
Location: mt. vernon Wa. USA
Posts: 8,727
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The 77 also has a heater fan, located in roughly the same location, so if the P.O. didn't remove them, there will be two wires for the fan (one brown and one black) , in close proximity.....behind your fan/blower. If I remember correctly, there is a switch, activated by the heater lever, that provides power to the heater relay coil, which in turn, activates the fan. (should be a yellow wire and switch, under the carpet...adjacent to the heater lever)
Regards, Al PS:
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[B]Current projects: 69-911.5, Previous:73 911X (off to SanFrancisco/racing in Germany).77 911S (NY), 71E (France/Corsica), 66-912 ( France), 1970 914X (Wisconsin) 76 911S roller..off to Florida/Germany RGruppe #669 http://www.x-faktory.com/ |
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09-11-2009, 08:03 PM
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Registered
Join Date: Nov 2005
Location: CA
Posts: 7,286
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where/what thhose yellow wires connected to, do you know?
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Fat butt 911, 1987 |
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09-13-2009, 12:00 AM
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Registered
Join Date: Jul 2001
Location: mt. vernon Wa. USA
Posts: 8,727
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rnin,
Based on your sign in info, you have a 1987 Carrera, converted to slantnose. Are the engine and heater/controls stock? They should have the auto-heating control unit versus the levers that we were discussing above. I'm not an expert, but why don't you PM me and describe your car and what's happening with it and i'll check out the schematics and see if I can help. regards, Al that way we won't hijack the original post. Regards, al
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[B]Current projects: 69-911.5, Previous:73 911X (off to SanFrancisco/racing in Germany).77 911S (NY), 71E (France/Corsica), 66-912 ( France), 1970 914X (Wisconsin) 76 911S roller..off to Florida/Germany RGruppe #669 http://www.x-faktory.com/ |
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09-13-2009, 07:52 AM
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