Thomas Built Buses Kentucky Conventional 2003 Electrical Wiring Manual

BODY SECTION
General Recommendations – Maintenance and Repair
System Protection from Short Circuits
Testing for Voltage Drop
Testing for Short to Ground
Checking Current Draw
Troubleshooting Tools
Troubleshooting Tests
PANELS
Driver Control Installation Navistar Conventional
Harness, Switch Panel, Pos ( of )
Harness, Switch Panel, Pos ( of )

PC Board No , () Printed Circuit Assembly Board ( of )

Printed Circuit Assembly Board ( of )

Printed Circuit Assembly Board ( of )

Printed Circuit Assembly Board ( of )

BODY SECTION
PANELS (continued)
Harness, Front-Rear, PC Board, Window, Convoluted ( of )
Harness, Front-Rear, PC Board, Window, Convoluted ( of )

Harness, Front Panel
Harness, Switch Side Panel Special Wiring
Chart – Circuits, Electrical (Body) ( of )

Chart – Circuits, Electrical (Body) ( of )

Chart – Circuits, Electrical (Body) ( of )
Chart – Circuits, Electrical (Body) ( of )

Chart – Circuits, Electrical (Body) ( of )

MAIN BODY

Harness, Main Body, Front, for New Panel

Harness, Rear Main, -Window
Harness, Rear Main, -Window
LIGHTS

Jumper, Panel Lights

Wire Harness, Jumper Between PC Boards & Boards ( of )

Wire Harness, Jumper Between PC Boards & Boards ( of )

PC Board Label, Board

Jumper Harness, Ground

Harness, Dome Light Jumper, PC Board

Harness, Two Additional Dome Lights w/ Connector

Printed Circuit Assembly Board ( of )

Printed Circuit Assembly Board ( of )

Harness, Dome Lts, Wiring for Lt Sw

(Option: B–, B–XXX & B–) Harness, Interior Lights

Printed Circuit Assembly Board ( of )

Jumper, Interior Lights Connector # , Board

Printed Circuit Assembly Board ( of )
Harness, Lower Front, PC Board, Convoluted ( of )

Step Light (Option: B– & B–)Harness, Multi-Purpose (Strobe, Etc) From PC Board to Switch

Harness, Lower Front, PC Board, Convoluted ( of )

Harness, Front-Rear, PC Board, Window, Convoluted ( of )

Harness, Front-Rear, PC Board, Window, Convoluted ( of )

Harness, Front-Rear, PC Board, Window, Convoluted ( of )

Harness, Front-Rear, PC Board, Window, Convoluted ( of )

Harness, Front-Rear, PC Board, Window, Convoluted ( of )

Harness, Front-Rear, PC Board, Window, Convoluted ( of )

Harness, Front-Rear, PC Board, Window, Convoluted ( of )

Harness, Strobe Light Switch Wiring (Option: BXX-XX-XXX) Strobe Light Wiring (Option: BXX-XX-XXX)

Harness, Landing Light Jumper (Option: B–)

Exterior Landing Light, Entrance (Option: B–)

Exterior Landing Light (Option: B–) ( of )

Exterior Landing Light (Option: B–) ( of )

Jumper Harness, Pilot Light

Jumper, Marker Light

BODY SECTION
LIGHTS (continued)
Harness, Flasher w/Connector
Page #
DOORS

Harness, Rear Light, Convoluted

Chart-Relay Labels

BODY SECTION
Lift Door
Lift Door w/the Throttle Interlock and Hydraulic Brakes
Hamess, Lift Door Alarm

EIGHT LIGHT WARNING SYSTEM

Hamess, Alam w/Door Open & Ign on

Harness, Weldon Flasher Driven Waming Light, w/Metri-Pack Connector,in Switch Cabinet

Hamess, Door Switch (Ext Access)

Warning System w/Door Control (Option: B–)

Harness, Relay for Brake Interlock

Warning Lights System (Option: B–)

Jumper Harness, Rear Door Switch

STOP SIGNS & CROSSING GATES

Electric Stop Arm & Crossing Arm w/Electromagnetic Kit

VANDALOCK
Harness, Vandalock, Left Side

Air Stop Sign & Air Crossing Control Amm
Harness, Crossing Arm Deactivation Switch to PC Board
Harness, Deactivation Switch for Crossing Arm (B–)
Crossing Arm Deactivating Switch Transpec, Specialty
Series Electric Crossing Control Arm
Jumper – Wire Crossing Arm Switch Transpec & Specialty
HEATERS
Heater Motor (Option: B-XX-)

Harness, Vandalock, Right Side

RADIO & SPEAKERS

Hamess, CRC Radio to Speaker System, w/o PC Board

Hamess, Four Speaker System, for – Window Section Bus

Hamess, Main Four Speaker (- Window Section), PC Board Compatible

Radio to Speakers (Option: BX-XX-) ( of )

Passenger Heater Switch Wiring (Option: B-XX-XXX)
Radio to Speakers (Option: BX-XX-) ( of ) Radio Speakers

MISCELLANEOUS

Passenger Heater – Rear Underseat (Option: B-XX-XXX) ( of ) Passenger Heater – Rear Underseat (Option: B-XX-XXX) ( of )

Hamess, Mirror, Remote Control Power

Heated Mirrors (Option: BXX-XX-XXX)

Harness, Pump/Passenger Heater From PC Board to Switches Harness, Heater to Controller

Hamess, Windshield Wiper, w/Metri-Pack Connectors in Switch Cabinet

Harness, Heater to Controller
Harness, Fan From PC Board to Switches
LIFT
Harness – Lift Switch Wiring (Option: BXX-XX-XXX) Harness – Lift Relays Wiring (Option: BXX-XX-XXX) Harness, Lift
Braun Lift
Defroster Fan (Option: B– & B–)
Intermittent Windshield Wiper, Single Switch w/Module (Option: B–) Intermittent Windshield Wiper, Single Switch (Option: B–) Backing Alarm
Hamess, Noise Suppression From PC Board to Switch
Noise Suppression Switch (Option: B–)
Ignition Power Jumper
Jumpers, Noise Relay Power
Harness, Alam w/Door Open & Ign On
Harness, Alam w/Door Open & Ign On
Jumper, Diode Pack, Buzzer Alarm Ground Signal