2004-2005 660 Yamaha Rhino Factory Service Manual, Page 381Get this manual
LIGHTING SYSTEM EB805021
2If the taillights fail to come on: 1Bulb and bulb socket Check the bulb and bulb socket for continuityCONTINUITY NO CONTINUITY
LIGHTING SYSTEM EB805021
2If the taillights fail to come on: 1Bulb and bulb socket Check the bulb and bulb socket for continuityCONTINUITY NO CONTINUITY