Fan Switch


Information and questions on GL1100 Goldwings (1980-1983)
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kajunmisfitt
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Fan Switch

Postby kajunmisfitt » Fri Feb 21, 2014 2:20 pm



I have this new 82 Goldwing and one of the thing that have to be fixed is someone took the negative side of the fan switch and for whatever reason they took the wire off, and now when I need it to come on I have to use the clip and clip it to the frame for it to work. I would like it to work right, like it was intended too work. I don't won't it to be left up too me. Doing parades and going up into the mountains ,I am it to work right. So am I to think that putting this on a toggle switch is the way to go. I HOPE NOT!!!



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Sagebrush
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1982 GL1100
2001 GL1800 CSC Trike
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Re: Fan Switch

Postby Sagebrush » Fri Feb 21, 2014 3:41 pm

I'm not quite understanding how your are clipping the wire to the frame. Does the wire go from the frame to the switch then the fan comes on? If so does it come on only when the engine is warm? 12v does not go to the switch, it only connects the negative side of the fan to ground. The way you worded your statement makes me wonder if the switch is still working correctly.

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kajunmisfitt
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Re: Fan Switch#1

Postby kajunmisfitt » Fri Feb 21, 2014 8:45 pm

, Sagebrush, I understand what your asking so here is a better way it looks to me. their is a wire coming out of the left side side panel from the fan. it has a clip that has a spring in the middle to hold the clip with tension that will grip the object your clipping (head of a bolt or frame). So when you clip the wire to the frame the fan comes on and when it is off then it is off. maybe I should take a picture of what I am trying to say , as you know they say a picture if worth a thousand words? or something like that!!!! any more question let me know thanks

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RoadRogue
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Re: Fan Switch

Postby RoadRogue » Fri Feb 21, 2014 9:56 pm

Will the fan come on by itself when the engine starts to get hot? Say about 2/3 to 3/4 up the temp guage.

When you ground this wire with the clamp on it to the frame bolt when the engine is cold does the fan come on?(assuming the key is on)

Is the clamp on wire the only way to get your fan to come on ?

These may seem like redundant questions but they help us narrow down the issue. 8-)
Ride safe, Todd
Over night campers welcome

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RBGERSON
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had every year from 75 to 83

Re: Fan Switch

Postby RBGERSON » Sat Feb 22, 2014 7:42 am

Sounds like you need a new fan switch if you want it to work properly..easy swap a little hard to get the old one out buried behind the radiator and pipes but doable. Flashlight, socket extension and patience.

37750-611-154 (replaces 37510-371-008) in parts diagram..$40..I think

look here:

http://www.westernhonda.com/fiche_secti ... veh=132953

I have one someplace $25.
HAD LOTS OF GOLDWING 75-83
NOW INTO 1500'S..RIDING A 1998 SE

FAIR WINDS,
RB

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kajunmisfitt
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Re: Fan Switch #2

Postby kajunmisfitt » Sat Feb 22, 2014 4:44 pm

ok, Went and checked the fan and this is what I found,1) when I used the key and it was in the "on" position and the clip was on the frame "nothing happen" 2) when the key was in the "on" position and you took the clip and clipped to frame fan came "on". and at this time it seem yes it is the on way to get the fan to in gauge or come on!!! I have not had to get it to come on but 1x and I had been idling for a little bit to warm it up.

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WingAdmin
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Re: Fan Switch

Postby WingAdmin » Sun Feb 23, 2014 9:00 pm

The fan has +12v applied to it at all times when the bike is turned on. The ground wire from the fans goes to the thermostatic switch. When the thermostatic switch senses the coolant is hot enough, it connects that wire to ground, completing the circuit, which turns the fan on.

When you connect that wire to the frame, you're doing the same thing as the thermostatic switch: completing the circuit.

Replace that thermostatic switch, and reconnect the wire to it, and you will gain proper operation.

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kajunmisfitt
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Re: Fan Switch #3

Postby kajunmisfitt » Mon Feb 24, 2014 3:49 am

I am assuming that this is easy(to a point) to find behind the radiator but I will go looking tomorrow thanks I will let y'all know the outcome

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WingAdmin
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1982 GL1100A Aspencade (sold)
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Re: Fan Switch #3

Postby WingAdmin » Mon Feb 24, 2014 9:50 am

kajunmisfitt wrote:I am assuming that this is easy(to a point) to find behind the radiator but I will go looking tomorrow thanks I will let y'all know the outcome


It's in the engine block, on the right side, behind the radiator, just below the fan. You can see the new one just installed here, with the boot pulled off of it - this one is an aftermarket switch meant for a car:



This is the original switch:



Here's a better look at it:





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