
2005 Precedent IQ System Electric Golf Car Maintenance and Service Manual Page vii
SECTION 12 – ELECTRICAL COMPONENTS
Key Switch ........................................................................................................................................ 12-1
Battery Warning Light ....................................................................................................................... 12-3
Forward/Reverse Rocker Switch ...................................................................................................... 12-3
Electronics Module Cover ................................................................................................................. 12-5
Tow/Run Switch ................................................................................................................................ 12-6
Motor Controller Output Regulator (MCOR) ..................................................................................... 12-7
Reverse Buzzer ................................................................................................................................ 12-8
Electronics Module ........................................................................................................................... 12-10
Solid State Speed Controller ............................................................................................................ 12-11
Solenoid ............................................................................................................................................ 12-12
Onboard Computer (OBC) ................................................................................................................ 12-13
Charger Receptacle .......................................................................................................................... 12-13
SECTION 13 – BATTERIES
General Information .......................................................................................................................... 13-1
Battery Replacement ........................................................................................................................ 13-1
Battery Care ...................................................................................................................................... 13-2
Preventive Maintenance ............................................................................................................... 13-2
Self-Discharge .............................................................................................................................. 13-3
Electrolyte Level ........................................................................................................................... 13-3
Mineral Content ............................................................................................................................ 13-4
Vibration Damage ......................................................................................................................... 13-4
Battery Charging ............................................................................................................................... 13-4
Charger Shuts Off After 16 Hours ................................................................................................. 13-5
Deep-Discharge ............................................................................................................................ 13-5
Early Excessive Discharging ........................................................................................................ 13-5
Incoming AC Service .................................................................................................................... 13-5
Fleet Rotation ............................................................................................................................... 13-5
Numbering Vehicles and Chargers ............................................................................................... 13-5
Battery Troubleshooting Chart .......................................................................................................... 13-6
Battery Testing .................................................................................................................................. 13-7
Battery Charger Test .................................................................................................................... 13-7
On-Charge Voltage Test ............................................................................................................... 13-7
Hydrometer Test ........................................................................................................................... 13-7
Discharge Test .............................................................................................................................. 13-9
Battery Troubleshooting Examples ............................................................................................... 13-11
Battery Storage ................................................................................................................................. 13-12