2006-2009 Suzuki LT-R450 Service Manual, Page 136Get this manual
FI SYSTEM DIAGNOSIS
SHORT CIRCUIT CHECK (WIRE HARNESS TO GROUND) Disconnect the negative cable from the battery Disconnect the connectorscouplers at both ends of the circuit to be checked NOTE:
If the circuit to be checked branches to other parts as shown,
disconnect all connectorscouplers of those partsOtherwise, diagnosis will be misled Measure resistance between terminal at one end of circuitterminal in figure) and body ground If continuity is indicatedthere is short circuit to ground between terminals and