2006-2009 Honda TRX680 (TRX 680 FA-FGA) Factory Service Manual, Page 537Get this manual
23LIGHTSMETERSSWITCHES
COMPONENT LOCATION 232 SERVICE INFORMATION 23-3
FUEL GAUGEFUEL LEVEL SENSOR 23-10 TEMPERATURE INDICATOR TEMPERATURE SENSOR 2313 GPS RECEIVER (GPS model only) 23-16