2004 John Deer Buck Utility ATV 500, 500EX and 500EXT Service Manual, Page 131Get this manual
The theory of operation stories divide the electrical system into individual circuits by functionEach circuit is isolated from the main wiring schematic and only shows the components that are used in itThe story contains information on function, operating conditions, and theory of operationThe circuit schematics are drawn with the components in the operating position, with the power, or battery positive, into them across the top and the ground, or battery negative, across the bottom The diagnostic procedure is used to test the complete circuit regardless of the problem or complaintSelect symptom or system from the quick check or troubleshooting chart and follow the test procedures under that headingThe diagnostic procedure lists: Test conditions Test sequence Test location Normal reading Check or test to perform if reading is not normal Example Example