2004-2005 660 Yamaha Rhino Factory Service Manual, Page 370Get this manual
ELECTRIC STARTING SYSTEM
6Gear position switch Refer to "CHECKING THE SWITCH"CORRECT 7Brake light switch Refer to "CHECKING THE SWITCH"CORRECT Replace the brake light switchReplace the gear position switchINCORRECT INCORRECT
8Diode Remove the diode from the coupler Connect the pocket tester1) to the diode terminals as shown Check the diode for continuity as followsTester (+) lead YellowBlue terminal Tester () lead BlackYellow terminal Continuity Tester (+) lead YellowBlue terminal Tester () lead BlueWhite terminal Tester (+) lead BlackYellow terminal Tester () lead YellowBlue terminal No continuity Tester (+) lead BlueWhite terminal Tester () lead YellowBlue terminal CORRECT