1992-1998 Kawasaki PWC Jet Ski Service Repair Manual., Page 244Get this manual
ELECTRICAL
TEMPERATURE SENDER
disconnect fittingsObtain an ohmmeterSelect the RxlOO ohm scaleThe manufacturer does not give specific resistance values between different colored leadsThere is either "no" reading, or "some" reading on this resistance scaleObserve the correct meter lead connections as shown in the accompanying tableIf any of the test values are not as expected, replace the relayElectric Bilge Pump Test Model 650 Series Only (If So Equipped) To test the electric bilge pump: Obtain fully charged 12 volt battery and two leadsDisconnect the two pump leadsthe Black ground lead and the Brown lead from the bilge pump switchConnect the battery across the two disconnected leads positive battery terminal to the Brown disconnected lead and negative battery terminal to the Black ground leadCheck to be sure adequate water is in the bilge area for the pump to functionThe pump should pump out the water from not, replace the pumpBlower Fan Test Model 650 Series Only (If So Equipped) If the fan does not operate, the fault could lie in one or more of three areas;