Polaris ATV "1999 sportsman 500 battery" Questions

1999 Polaris 500 sportsman. Battery drains while machine is off. When battery is charged we can hear a relay, which is sealed, click on and off. When it clicks on the machine will start but as soon as

1999 Polaris sportsman 500 electric start & headlights or fan will work, If you check the wires on the battery, the solenoid, and and your ground cable - one loose main and you're dead in the water - ...