Honda Diagrams, Schematics and Service Manuals - download for free! Including: honda goldwing clarion type ii cb intercom cassette installation manual, honda goldwing clarion type ii radio installation manual, honda goldwing clarion type ii radio operating manual, honda goldwing clarion type i radio installation manual, honda goldwing common tool manual 1979, honda goldwing gl1000 1975 to 1977.. Don't have a wiring diagram for a 1979 but the radiator fan switch simply closes at a certain temp(208-216F on the 1200 anyway) supplying a ground for the the fan which has power supplied to it at all times. You could remove switch and test by heating water a thermometer and meter. It's a good idea to flush the radiator if it's still off.
Drnikonian Free Image For Wiring Diagrams And Engine. 1986 Honda Gl1200 Aspencade Goldwing Wiring Diagram. Goldwing- The First 20 Years From Japan to USA Goldwing Magazine Articles Two Wheel Magazine 1975- Honda's GL1000, The Future Cycle Illustrated, Nov. 1975- 2 Big Ones From Honda 1977 Model GL1000 Setup Instructions