2004 Kawasaki KFX 700 V Force Factory Service Manual, Page 399Get this manual
ELECTRICAL SYSTEM 16-65 Indicator Unit
Check1Indicator Light Inspection Using the auxiliary leads connect 12 battery to the indicator unit connector as follows:
Fuel Indicator Light [A]: Battery Positive (+) Terminal to Terminal [1] Battery Positive () Negative to Terminal [2]
If indicator light does not go on, replace the indicator unit