TM 9-2320-363-34-1
CHAPTER 4
ELECTRICAL SYSTEM MAINTENANCE
This chapter illustrates and describes procedures for maintenance of the electrical system and
related parts. A list of tasks contained in this chapter is shown below.
Page
Injector Wiring Harness Replacement
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-2
Chassis Wiring Harness Replacement
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-6
Engine Wiring Harness Replacement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-8
Stop/Tail/Backup Lights Wiring Harness Replacement. . . . . . . . . . . . . . . . . . . . .
4-10
Turn Signal/Marker Light Wiring Harness Replacement
. . . . . . . . . . . . . . . . . . . .
4-12
Turn Signal (Thru-Deck) Wiring Harness Replacement. . . . . . . . . . . . . . . . . . . . .
4-14
Electronic Control Module Wiring Harness Replacement
. . . . . . . . . . . . . . . . . . . 4-16
Engine Power Wiring Harness Replacement
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-18
STE-ICE Wiring Harness Replacement
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-20
Main Cab Wiring Harness Replacement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-22
Overhead Cab Wiring Harness Replacement. . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-36
Cab Floor Anti-Lock Brake System (ABS) Wiring Harness Replacement
. . . . . . . 4-38
Switch Panel Wiring Harnesses Replacement
. . . . . . . . . . . . . . . . . . . . . . . . . . .
4-40
Cab Anti-Lock Brake System (ABS) Wiring Harness Replacement (M915A2)
. . . . 4-42
Front Anti-Lock Brake System (ABS) Wiring Harness Replacement. . . . . . . . . . . 4-44
Rear Anti-Lock Brake System (ABS) Wiring Harness Replacement
. . . . . . . . . . . 4-46
MCS Chassis Wiring Harness Replacement (M917A1 w/MCS). . . . . . . . . . . . . . . 4-47.2
CTIS Wiring Harness Replacement (M917A1 and M917A1 w/MCS)
. . . . . . . . . . . 4-47.4
PTO Wiring Harness Replacement (All Except M915A2)
. . . . . . . . . . . . . . . . . . .
4-47.6
MCS Cab Wiring Harness Replacement (M917A1 w/MCS)
. . . . . . . . . . . . . . . . . . 4-47.9
Starter Solenoid Replacement
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-48
Engine Retarder Solenoid Test and Replacement
. . . . . . . . . . . . . . . . . . . . . . . .
4-50
Change 1
4-1
