OM3216 3/10 Operator Cab and Controls - Section 32 Page 32-39 FIGURE 32-20. REAR ELECTRICAL COMPARTMENT 1. Automatic Lubrication System Timer 2. Ground Bus Bars 3. Power Bus # 1, 24V Battery Direct Power 4. Power Bus # 2, 24V Battery Disconnect Power 5. Power Bus # 3, 24V Key Controlled Power 6. Power Bus # 4, 12V Key Controlled Power 7. Relay Centers (Enclosure Removed) 8. Turn Signal Flasher 9. Steering Bleeddown Timer 10. Windshield Wiper Delay Timer 11. External Harness Interface Connection Panel 12. ORBCOMM Modem