Fuel gauge, cooling fan, temp gauge

Information and questions on GL1000 Goldwings (1975-1979)
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Joined: Wed Aug 05, 2015 5:56 am
Location: Madison Indiana USA
Motorcycle: 1977 goldwing

Fuel gauge, cooling fan, temp gauge

Postby Marknuss » Sun Aug 09, 2015 7:46 am

I recently purchased a very nice 77 gl1000. It runs great but the fuel, temp gauge and cooling fan dont work , fuses are ok is there something common to these 3 things where I might start

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Joined: Fri Aug 22, 2014 5:01 pm
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Motorcycle: 1999 gl1500 se

Re: Fuel gauge, cooling fan, temp gauge

Postby wingman12 » Sun Aug 09, 2015 9:05 am

Good morning Mark, your fuel & temp gauge is probably the 7 volt regulator gone bad. Go to the store on this forum and look up the hollsco 7 volt regulator. It is a pretty easy installation and they provide easy to follow instructions. it is possible with the temp gauge not working may effect your cooling fan. Someone with more knowledge in this area will jump in to answer your questions. :D :D

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Re: Fuel gauge, cooling fan, temp gauge

Postby virgilmobile » Sun Aug 09, 2015 9:37 am

The cooling fan is seperate from the gauge circuit.
It is provided 12 volts through a fuse.Its circuit is completed by a temperature switch.It has 2 wires,green is ground.Short the other wire to it and the fan should run(key must be on).
The thermal switch is seen from the right side,center/front engine.theres 2 parts there.one is for the temp gauge,it has one wire on it.

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Fred Camper
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Motorcycle: 1977 GL1000, 1976 LTD GL1000

Re: Fuel gauge, cooling fan, temp gauge

Postby Fred Camper » Sun Aug 09, 2015 8:42 pm

Keep in mind the temp gauge, once it works, needs to be north of normal for the cooling fan to turn on. That is around 220 F so it may not have been that hot.

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