2004-2005 660 Yamaha Rhino Factory Service Manual, Page 392Get this manual
SIGNALING SYSTEM
3Voltage Connect the pocket tester (DC 20 V) to the indicator light assembly couplerTester (+) lead Brown terminal Tester () lead WhiteBlue terminal 2
WY Br BG Br WL Br
Br WY Br BG Br WL