'81 Goldwing 1100GL Interstate fan won't cut in


Information and questions on GL1100 Goldwings (1980-1983)
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tyoung
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Motorcycle: 1981 GL1100 Goldwing

'81 Goldwing 1100GL Interstate fan won't cut in

Postby tyoung » Wed Jun 01, 2011 11:55 pm



Can anyone help me. My fan will not cut in and can't figure out why.
Thanks



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littlebeaver
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Re: '81 Goldwing 1100GL Interstate fan won't cut in

Postby littlebeaver » Thu Jun 02, 2011 12:31 am

Sounds like your fan switch is going out, remove the right side plastic lower fairing cover if your sitting on the bike, take a flashlight and look into and underneath the false tank area right behind the fan you will see a rubber plug cover with two wires coming out of the end, pull that plug off, and that will expose the end of the fan switch, you should see two prongs and a nut, you will need a deepset socket [27mm] and a long extention to remove it, be sure you drain the antifreeze first or you will have a mess in your garage...Just a note you probably should remove the false tank too to refill the Radiator at the cap..Good luck..All of this after you get your new switch...

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RBGERSON
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had every year from 75 to 83

Re: '81 Goldwing 1100GL Interstate fan won't cut in

Postby RBGERSON » Thu Jun 02, 2011 8:48 am

Check the fan first to see if it's working..pull the plug and hot wire it to see if it comes on..on mine easier to get to from the left(2/4) side..but it's hard to get your hands in there..to separate the connector so you can hot wire the fan if it works(if not new fan or wiring???), next do the same switch the switch as said above but don't remove it just ground the circuit and the fan should come on..if not = new switch and a GEO switch will fit and work..cheaper several how's to on sites here and there..but checking these two things will tell you what is bad..switch fan or both.
HAD LOTS OF GOLDWING 75-83
NOW INTO 1500'S..RIDING A 1998 SE

FAIR WINDS,
RB

DragonRider
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Re: '81 Goldwing 1100GL Interstate fan won't cut in

Postby DragonRider » Thu Jun 02, 2011 7:27 pm

Dont forget to check that darn glass fuse. Had one looked good and I replaced fan and switch only to find out that the 25 cent fuse was damaged.

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tyoung
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Motorcycle: 1981 GL1100 Goldwing

Re: '81 Goldwing 1100GL Interstate fan won't cut in

Postby tyoung » Tue Jun 07, 2011 12:15 am

Thanks for the tips everyone. Will check the fuse first. Hopefully it's something simple.

Zagnut
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Motorcycle: 1980 GL1100 Interstate

Re: '81 Goldwing 1100GL Interstate fan won't cut in

Postby Zagnut » Tue Jun 07, 2011 10:06 pm

I had the same problem with my 1980 GL1100 I a few years back, around 42000 miles.

I ended up buying 2 of the 40 dollar ebay fan switches, both promptly burned out lasted about a month each. ( Due to not being able to to handle the amperage I think).

I went to a Napa FS 131 Radiator Fan Switch which turns On At 213-229 Deg.. Thread Size : M16 x 1.5". I now have 72000 miles with no problems at all with this switch. (knock on wood)

It kicks on when my temp gauge goes a little above half. Plus after the ebay junk I installed an override back up toggle switch just in case.

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littlebeaver
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Re: '81 Goldwing 1100GL Interstate fan won't cut in

Postby littlebeaver » Fri Jun 10, 2011 2:13 am

Zagnut wrote:I had the same problem with my 1980 GL1100 I a few years back, around 42000 miles.

I ended up buying 2 of the 40 dollar ebay fan switches, both promptly burned out lasted about a month each. ( Due to not being able to to handle the amperage I think).

I went to a Napa FS 131 Radiator Fan Switch which turns On At 213-229 Deg.. Thread Size : M16 x 1.5". I now have 72000 miles with no problems at all with this switch. (knock on wood)

It kicks on when my temp gauge goes a little above half. Plus after the ebay junk I installed an override back up toggle switch just in case.

Thanks for the information on the fan switch, I have a question for you, do you happen to know off hand what vehicle this fan switch is for, what year and make, I just wanted to know if you knew the anwser before I go down to napa with your part number... How much was it? sure sounds like it's the correct temp to me..

macka
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Re: '81 Goldwing 1100GL Interstate fan won't cut in

Postby macka » Mon Jun 13, 2011 8:20 am

That blows me away that your NAPA parts guys want a vehicle fitment. Mine just hands me the parts.

Zagnut
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Location: Charlotte, nc
Motorcycle: 1980 GL1100 Interstate

Re: '81 Goldwing 1100GL Interstate fan won't cut in

Postby Zagnut » Mon Jun 13, 2011 10:43 am

I do not know what vehicle this fan switch is for, I cross referenced it on NapaOnline here is the link.

https://www.napaonline.com/Catalog/Cata ... 24748&An=0

It is showing $36.99 each now. I think I gave $40 or more for it a few years ago.

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littlebeaver
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Re: '81 Goldwing 1100GL Interstate fan won't cut in

Postby littlebeaver » Mon Jun 13, 2011 12:59 pm

macka wrote:That blows me away that your NAPA parts guys want a vehicle fitment. Mine just hands me the parts.

Nobody but me wanted the vehicle info, you can look for the cheapest price at different auto parts stores if you know the vehicle make and year model as this part should fit it where ever you buy it from, this is why I ask, finding the anwser shouldn't be too difficult, I was only wondering if he knew the anwser to my question I will find it on my own and post the anwser thanks again :D

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littlebeaver
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Re: '81 Goldwing 1100GL Interstate fan won't cut in

Postby littlebeaver » Mon Jun 13, 2011 2:47 pm

littlebeaver wrote:
Zagnut wrote:I had the same problem with my 1980 GL1100 I a few years back, around 42000 miles.

I ended up buying 2 of the 40 dollar ebay fan switches, both promptly burned out lasted about a month each. ( Due to not being able to to handle the amperage I think).

I went to a Napa FS 131 Radiator Fan Switch which turns On At 213-229 Deg.. Thread Size : M16 x 1.5". I now have 72000 miles with no problems at all with this switch. (knock on wood)

It kicks on when my temp gauge goes a little above half. Plus after the ebay junk I installed an override back up toggle switch just in case.

Thanks for the information on the fan switch, I have a question for you, do you happen to know off hand what vehicle this fan switch is for, what year and make, I just wanted to know if you knew the anwser before I go down to napa with your part number... How much was it? sure sounds like it's the correct temp to me..

I think if this fan switch fits your 80 model with a 16mm thread size then it won't fit my 81 because I have a 18mm thread of mine..I thought these holes were all the same I guess I was wrong..

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chargincharlie
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Re: '81 Goldwing 1100GL Interstate fan won't cut in

Postby chargincharlie » Thu Sep 11, 2014 1:21 pm

i have a parts bike if you cant find what u need

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aznyaz
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Re: '81 Goldwing 1100GL Interstate fan won't cut in

Postby aznyaz » Wed Sep 24, 2014 11:29 am

I'm having this issue and have read through these posts. I was hoping I could fix this with a fuse but cannot figure out where it is. There are no fuses inside the false tank that are identified as being for the cooling fan.

Electrically challenged (aka MJ)

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WingAdmin
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Re: '81 Goldwing 1100GL Interstate fan won't cut in

Postby WingAdmin » Fri Sep 26, 2014 9:44 am

aznyaz wrote:I'm having this issue and have read through these posts. I was hoping I could fix this with a fuse but cannot figure out where it is. There are no fuses inside the false tank that are identified as being for the cooling fan.

Electrically challenged (aka MJ)


The fan does not have its own fuse - it pulls its power directly from the main bus, the same wire that serves as a feed for the fuse block. So it depends on the master (30 amp) fuse to blow if it shorts out.

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aznyaz
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Re: '81 Goldwing 1100GL Interstate fan won't cut in

Postby aznyaz » Fri Sep 26, 2014 11:46 am

OK, so it's not a fuse issue because the main 30 amp fuse is still intact because the bike still runs, right? If it's the switch itself, where exactly is it located? Does the Clymer manual locate it accurately? All '81 and beyond info is handled by the supplement at the back of the book and there is nothing on the cooling system in the supplement, just in the main part. I will check the parts manual and other sources to see if I can locate the switch but any help in this would be greatly appreciated.

As I signed in my first post, I am electrically challenged, but with some guidance I can do rudimentary electrical work. How do I check for a bad switch and/or fan?

MJ

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WingAdmin
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Re: '81 Goldwing 1100GL Interstate fan won't cut in

Postby WingAdmin » Fri Sep 26, 2014 1:53 pm

The switch is mounted into the thermostat housing:

GL1100 Thermostat
GL1100 Thermostat


If you pull the wires off the switch, short them together, then turn the ignition on, the fan should run. If it does, then the switch is the problem. If it doesn't, then the fan (or wiring) is the problem.

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aznyaz
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Re: '81 Goldwing 1100GL Interstate fan won't cut in

Postby aznyaz » Fri Sep 26, 2014 2:07 pm

Thanks Admin. Right after my last post I checked the Parts Manual and found this illustration. Thank for the tip on the test, too!

MJ

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aznyaz
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Re: '81 Goldwing 1100GL Interstate fan won't cut in

Postby aznyaz » Sat Sep 27, 2014 2:41 pm

Well, it's the switch so I opted for the cheap and easy way on this one for now. It will be awhile before I do a coolant flush, so I'm jumping the fan switch connector with a couple of banana clips that fit nice and snug, ran some good gauge wire (probably 12 or 14, definately heavier than the connector wires) up behind the right side lower, zip tied to the fairing support, through an existing hole in the bottom of the fairing and mounted a toggle switch in an existing hole in the inner part of the fairing. I normally don't need the fan running unless I get stuck in bumper to bumper like last night, so until I replace the fan switch I now have a manual switch.

Thanks for all the info.

MJ




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