2005-2008 Honda ATV TRX500FA/FGA Fourtrax, Rubicon Factory Service Manual, Page 491Get this manual
HONDAMATIC 3Ignition Pulse Generator Line Inspection Turn the ignition switch OFFDisconnect the ECM 21P (Black) connector and the alternator 5P (Natural) connectorCheck for continuity at the Blueyellow wire between the main harness side connectorsIs there continuity? NO Open in wire between the ECM and ignition pulse generator YES GO TO STEP 4BuY BuY
4Ignition Pulse Inspection
Generator