2010 Polaris Sportsman 850 Service Manual, Page 329Get this manual
ELECTRICAL REVERSE OVERRIDEMODE BUTTON
Function Test
Use multimeter to test for continuity when pressing the Reverse OverrideMode buttonIf the test fails, replace the LH control assembly
HEAD LAMP SWITCH
Function Test
Use multimeter to test for continuity between the head lamp outputs in the LH control assemblyIf any of the tests fail, replace the LH control assembly
Reverse OverrideMode Button Test
B FREE PUSH Push the Reverse OverrideMode buttonThere should be continuity between pins and CC OFF LOW HIGH
Headlamp Switch Test