2006 Honda TRX680 Rincon Factory Service Manual, Page 553Get this manual
LIGHTSMETERSSWITCHES GPS INDICATOR BLINKS (COMMUNICATION ERROR) 1GPS Receiver Connector Check Remove the meter covers (page 3-18)Turn the ignition switch OFFRemove the GPS receiver 6P (Natural) connector from the stay and disconnect itCheck for loose connection or poor contact of the GPS receiver connectorConnect the GPS receiver 6P (Natural) connectorTurn the ignition switch ON, wait for minutes and check the GPS indicatorIs the GPS indicator still blinking? YES NOGO TO STEP 2- No problem (Temporary failure)6P (NATURAL) CONNECTOR
2GPS Receiver Input Voltage Line Inspection Turn the ignition switch OFFDisconnect the GPS receiver 6P (Natural) connectorTurn the ignition switch ONMeasure the voltage between the meter side connector terminal and groundConnection: Pink (+)Ground (-) Is there about V? YES NOGO TO STEP 3- Open or short circuit in the Pink wire Inspect the power input line of the combination meter (page 23-8)