Chapter 6
Electrical System
Table of Contents
General Information..................................................................................................................................... 6–3
4520 Operator’s Manual and Accessory Installation Instructions ................................................ 6–3
Kawasaki Engine Electrical Components .......................................................................................... 6–3
Amperage Draw Chart ............................................................................................................................ 6–3
Electrical Drawings ...................................................................................................................................... 6–5
Electrical System Quick Checks............................................................................................................... 6–6
Testing the Charging System ................................................................................................................ 6–6
Checking the Operation of the Interlock Switches ........................................................................... 6–6
Electrical Component Testing ................................................................................................................... 6–9
Fuses .......................................................................................................................................................... 6–9
Relays....................................................................................................................................................... 6–15
Tractor Control Module (TCM)................................................................................................................ 6–19
Removing and Installing the TCM...................................................................................................... 6–20
Tractor Control System (TCS) ................................................................................................................ 6–21
Removing and Installing the TCS....................................................................................................... 6–22
Information Gauge Cluster ...................................................................................................................... 6–23
Programming the Gauge ......................................................................................................................... 6–24
Power Relay Module ................................................................................................................................. 6–26
Key Switch................................................................................................................................................... 6–26
Testing the Key Switch.............................................................................................................................. 6–28
Power Take Off (PTO) Enable Switch................................................................................................... 6–28
Testing the Power Take Off (PTO) Switch............................................................................................ 6–29
Seat Switch.................................................................................................................................................. 6–30
Testing the Seat Switch ........................................................................................................................ 6–30
Headlight Switch ........................................................................................................................................ 6–31
Testing the Headlight Switch ................................................................................................................... 6–32
Directional Signal Switch.......................................................................................................................... 6–32
Testing the Directional Signal Switch .................................................................................................... 6–33
Hazard Flasher Switch.............................................................................................................................. 6–33
Testing the Hazard Flasher Switch ........................................................................................................ 6–34
Work Light Switch ...................................................................................................................................... 6–34
Testing the Work Light Switch................................................................................................................. 6–35
Strobe Light Switch.................................................................................................................................... 6–35
Testing the Strobe Light Switch .............................................................................................................. 6–36
Rear 12 Volt Switch ................................................................................................................................... 6–36
Testing the Rear 12 Volt Switch.............................................................................................................. 6–37
Rear 12 Volt Momentary Switch ............................................................................................................. 6–37
Testing the Rear 12 Volt Momentary Switch........................................................................................ 6–38
Parking Brake Switch................................................................................................................................ 6–38
Testing the Parking Brake Switch........................................................................................................... 6–39
PTO Electric Clutch ................................................................................................................................... 6–40
Testing the PTO Electric Clutch.......................................................................................................... 6–40
Warning Alarm ............................................................................................................................................ 6–42
4520P Page 6–1 Electrical System
09.40003Rev 00
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