18
SECTION 55 - ELECTRICAL SYSTEM
BOOK 3 - 87036759
Chapter 1 - Electrical System
CONTENTS
Section Description Page
Introduction 3...................................................................
Component Location and Function 3..............................................
Battery and Fuses 5..............................................................
Fuse Block 7..................................................................
Main Fuse 7...................................................................
Electrical System Components—Description and Testing 8............................
Key Switch 8..................................................................
Light Switch 11................................................................
Hazard Light Switch 13........................................................
Turn Signal Switch 16.........................................................
Transmission Range Safety Switch 19...........................................
Rear PTO Safety Switch 20....................................................
Mid PTO Safety Switch 20.....................................................
Cruise Control Brake Release Switch 23.........................................
Seat Safety Switch 24.........................................................
Diodes 26....................................................................
Relays 27....................................................................
Hazard Flasher/Turn Signal Control Module 30....................................
Glow Plug Indicator Light Controller 37...........................................
Cruise Control Magnet 37......................................................
H.S.T. Speed Control (Cruise Control) 38.........................................
Glow Plugs 40................................................................
Engine Sensors 41..............................................................
Engine Oil Pressure Sender 41.................................................
Engine Coolant Temperature Sender 41..........................................
Fuel Level Sender 42..........................................................
Fuel Shutoff Solenoid 43.......................................................
Lighting 44.....................................................................
Head Lamp 44................................................................
Taillight 44...................................................................
Flasher Warning Light 45.......................................................
Rear Work Light 46............................................................
Wiring Diagrams 47.............................................................
Instrument Panel — Component Operation and Servicing 128.........................
Instrument Panel Removal and Disassembly 130..................................
Fuel Gauge Removal 130......................................................
Fuel Gauge Testing 130........................................................
Temperature Gauge Removal 132...............................................
Temperature Gauge Testing 132................................................
Tachometer Removal 133......................................................
Tachometer Testing 134........................................................
PTO Speed Indicator Adjustment 134............................................
Instrument Lights 135..........................................................