2005-2008 Honda ATV TRX500FA/FGA Fourtrax, Rubicon Factory Service Manual, Page 160Get this manual
ENGINE REMOVALINSTALLATION Connect the engine coolant temperature (ECT) sensor connector
ECT SENSOR CONNECTOR Connect the upper and lower radiator hose to the thermostat cover and water pumpTighten the hose band screws securelyInstall the spark plug cap onto the plugRADIATOR HOSES
SPARK PLUG CAP Connect the following: alternatorignition pulse generator connector gear position switch connector Install the connectors onto the stays and clamp the wires and hoses properly (page 1-22)GEAR POSITION SWITCH CONNECTOR