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Thermo switch pigtail/wire location ?


90blacktsi
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Galant VR-4 org Post #: 1076275 posted 07/16/12 09:10 PM     Remind Me!  Send Private Message   Edit Post      
Does anybody have a picture of where the connector from the thermo switch in the bottom of the radiator comes from . My fan does not turn on and I cant seem to find where in the harness it would come from . I also noticed that there are 2 fan relays and two ac relays on the GVR4 , Do I have to jump both fan relays to test the fan? Fan does not turn on with the ac button either , But does turn on when jumped to the battery . Car was running on AEM EMS , not sure if they had it wired differently , but it turn on .. Car is know on ECM LINK . Thanks , Any info will be helpful

- Bryan

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turbowop
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Galant VR-4 org Post #: 1076276 posted 07/16/12 09:23 PM     Remind Me!  Send Private Message   Edit Post      
Bypass the resistor and see what happens. Both of my GVR4's had bad ones.



-Mark

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ghostinthevr4
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Galant VR-4 org Post #: 1076279 posted 07/16/12 09:52 PM     Remind Me!  Send Private Message   Edit Post      
How do you bypass the thermo resistor, by cutting the wires that feed too both ends and connecting them? I was looking at wiring schematics yesterday, my eyes still hurt plus I'm feeling a little lazy.



I found the anti-lag.

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turbowop
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Galant VR-4 org Post #: 1076283 posted 07/16/12 10:02 PM     Remind Me!  Send Private Message   Edit Post      
That's what I did. Works great. But I would test it first by using a jumper to bypass the resistor. Just connect a wire from one side to the other to see if that's the problem or not.



-Mark

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90blacktsi
Junior Member


Galant VR-4 org Post #: 1076290 posted 07/16/12 10:20 PM     Remind Me!  Send Private Message   Edit Post      
By the resistor do you mean the sensor on the bottom of the radiator ? If so I cannot do as you stated . All I have is the sensor on the rad . No wires to jump . Cant find them anywhere .

-Bryan

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turbowop
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Galant VR-4 org Post #: 1076307 posted 07/17/12 02:17 AM     Remind Me!  Send Private Message   Edit Post      
It's the big white ceramic resistor enclosed in a metal cage mounted near the top of the passenger side radiator fan.



-Mark

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iceman69510
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Galant VR-4 org Post #: 1076325 posted 07/17/12 09:27 AM     Remind Me!  Send Private Message   Edit Post      
The harness comes down the passenger side of the radiator. The plug is white (when new in color.



91 VR4 855 Nile Black
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90blacktsi
Junior Member


Galant VR-4 org Post #: 1076459 posted 07/17/12 09:22 PM     Remind Me!  Send Private Message   Edit Post   
All good info thanks ! Still need some more though . Here is a pic of my setup . You can see the plug for the fan has 6 wires I think and only two that comes out that go to the fan ( slim fan ) The only thing I can think of is that on a stock plug splits off into two different harnesses and thats why all the extra wires are not in use . What I need to know is the color of the wires that go to the thermo switch . Thanks


Pic of the thermo switch I'm referring to



Edited by 90blacktsi (07/17/12 09:28 PM)

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