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How to turn in oil cooler fan by 212F?

 
Old 10-24-2011, 03:30 AM
  #31  
anto1150
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Originally Posted by cjoenck View Post
It won't get hot from any electrical current. This is a signal wire with low ampere / watts running through it. That's why you don't have arise in this line either.
good to know... it's going to be my next mod
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Old 10-29-2011, 12:22 AM
  #32  
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I added the 2.2K ohm resistor to the CCU PCB from points connected to G12 and G18. Will test when car back together - presently replacing cam cover gaskets.
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Old 10-29-2011, 12:38 AM
  #33  
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I would so screw that up and glad I added it at the oil cooler sensor. Nice (steady) work!!!
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Old 05-20-2013, 06:24 AM
  #34  
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I was thinking of adding the manual override switch, but I've just found this thread and ordered some resistors. This is a great mod and just what I need before the Italian summer gets going as the car got too hot too often last summer!
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Old 05-22-2013, 10:04 AM
  #35  
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Clever idea, have a suggestion though:

Instead of cutting up the stock wiring harness, buy a couple of connectors & make a removable jumper that includes the resistor. The temperature sensor (along w/ many others in these cars) are plain Bosch EV1-style injector connectors which makes it easy to find male & female sides.

female -> http://www.bmotorsports.com/shop/pro...roducts_id/943
male -> http://www.bmotorsports.com/shop/pro...roducts_id/570

Both available as bare connectors or as pigtails w/ pins already crimped (here)
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Old 05-22-2013, 10:31 AM
  #36  
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Yes, good idea! I've just bought a set on eBay!
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Old 05-22-2013, 11:01 AM
  #37  
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You don't need to cut the stock wiring harness. You simply have to remove some insulation on both wires and run the resistor across the two bare spots. If you want to reverse, you just have to remove the resistor and cover the bare wire with electrical tape or whatever.
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Old 05-25-2013, 01:38 PM
  #38  
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Great thread!

Have added a link to a 964/993 oil cooler fan operation and trouble shooting article that may assist others.

http://p-car.com/diy/fan/
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Old 06-20-2017, 05:04 PM
  #39  
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thanks for the pics V, RR et al ... just unsure about something: if you don't have a CCU anymore, how is the fan being controlled? Must this mod be done elsewhere in that case?
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Old 06-20-2017, 05:08 PM
  #40  
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i made an adapter for that resistor hack:







with EV1 plugs male/female
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Old 06-20-2017, 05:11 PM
  #41  
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This poster had a answer to that>>>
https://rennlist.com/forums/964-foru...er-sensor.html
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Old 06-20-2017, 05:22 PM
  #42  
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^^ thanks Mojo .. I'm confused as I don't have a CCU yet temp rarely gets above 9oclock except after 10-12 laps at the track on a hot day .. upto 10-10.30
... is my fan maybe not even engaging as CU and front suitcase removed??
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Old 06-21-2017, 03:48 AM
  #43  
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From those temps, I would think your fan is working, but due to some modification if your CCU has been removed.
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Old 06-21-2017, 05:24 AM
  #44  
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thanks - will check it out but I haven't done any mods to the fan and I removed the CCU and suitcase .. hmmm
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Old 07-24-2017, 08:53 AM
  #45  
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Originally Posted by Laker View Post
rolling jack found one that was 0.6 watt, and it's low wattage application, so ...Radio shack's 0.5 watt... should do.
is .25W too low?
my shop doesn't have the metal film ones in .5 or .6W
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