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Registered
Join Date: Aug 2005
Location: NJ
Posts: 154
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Cooling fan relay on order, possible to jumper circuit temporarily?
Anyone know how I can throw in a jumper wire to allow the cooling fans to work. I just recently ordered a new relay since I had the original 1983 part # in the car but want to drive it to get it inspected till the new part comes in. I also want to test operation of the radiator fans to rule out anything else.
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-Frank '83 944 '10 997.2 Guards Red GT3 Prev: '84 944, '16 M3., '15 STI, '14 500 Abarth, '08 135i |
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01-16-2006, 11:25 AM
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Registered
Join Date: Aug 2001
Location: Brighton UK since 11/2012
Posts: 3,170
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Do the fans work? Did you try by-passing the thermal switch on the radiator as that's the most normal problem item.
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From November 2012; Precision Porsche Specialist Sussex UK, +44 (0)1825-721-205 2001-2012 Gerber Motorsport Inc. 206-352-6911 07.15.06 1996 Ducati 900SP. Suprisingly enough, it's red 08.16.09 1999 Kawasaki ZRX1100. Green. |
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01-16-2006, 04:00 PM
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Registered
Join Date: Aug 2005
Location: NJ
Posts: 154
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Well thats what i'm trying to test. How do I do this?
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-Frank '83 944 '10 997.2 Guards Red GT3 Prev: '84 944, '16 M3., '15 STI, '14 500 Abarth, '08 135i |
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01-17-2006, 11:31 AM
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Registered
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Switch is under the front bracket to the air filter and the top radiator hose. I usually reach up from under the car with a long screwdriver and short across the terminals. Might have to force back a rubber cover. One or both fans may run depending on how the A/C relay was set up.
In most cases you can turn the key on and the A/C on and both fans will run.
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Hugh - So Cal 83 944 Driver Person NOT a 'real' Porsche -- Its Better!!!! When was the last time you changed your timing and balance belts and/or cam chain and tensioner? New Users please add your car's year and model to your signature line! Never break more than you fix! |
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01-17-2006, 01:22 PM
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Registered
Join Date: Aug 2005
Location: NJ
Posts: 154
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Even without the fan relay in place?
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-Frank '83 944 '10 997.2 Guards Red GT3 Prev: '84 944, '16 M3., '15 STI, '14 500 Abarth, '08 135i |
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01-17-2006, 01:37 PM
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Registered
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Relay has to be in place. Other wise a single fan will run on slow speed. To test the fans indepently you will need to provide 12 volt DC power directly to them. Better to take them off the car.
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Hugh - So Cal 83 944 Driver Person NOT a 'real' Porsche -- Its Better!!!! When was the last time you changed your timing and balance belts and/or cam chain and tensioner? New Users please add your car's year and model to your signature line! Never break more than you fix! |
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01-17-2006, 01:47 PM
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Politically Incorrect
Join Date: Aug 2005
Location: Hoover, Alabama
Posts: 1,494
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A lady had her car TOWED in today with an overheating problem. Bad coolant temperature switch. Unplugged the A/C compressor clutch and told her to drive with the A/C "on" until she could get it to a shop for proper repairs. I work in a parts store, not a garage. It's amazing that more people don't know that you actually buy parts at a parts store and actually get your car repaired at a garage. That's what I get for working in a town with such a low tooth-per-head count!!
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Edek '87 924S '91 535i |
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01-17-2006, 09:53 PM
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1983 Porsche 944 2.5 liter
