2008 Yamaha Rhino YXR70FX Factory Service Manual, Page 457Get this manual
LIGHTING SYSTEM EBS01067
TROUBLESHOOTING Any of the following fail to light: headlight, tailbrake lightCheck: 1main, ignition and headlight fuses 2battery 3main switch 4light switch 5load control relay 6wiring connections (of the entire lighting system) TIP: Before troubleshooting, remove the following part(s): 1rear console Troubleshoot with the following special tool(s)EBS01044
2Battery Check the condition of the batteryRefer to "CHECKING AND CHARGING THE BATTERY" in chapter 3Minimum open-circuit voltage 12.8 or more at 20 (68 F) Is the battery OK? YES NO Clean the battery terminals Recharge or replace the batteryEBS01041