TM 9-2320-289-20
S e c t i o n I l l . I N S T R U M E N T S , S E N D I N G U N I T S , S W I T C H E S,
A N D H O R N M A I N T E N A N C E
4-6.
INSTRUMENTS, SENDING UNITS, SWITCHES, AND HORN MAINTENANCE
INDEX.
Paragraph
Number
4-7.
4-8.
4-9.
4-10.
4-10.1.
4-10.2
4-11.
4-12.
4-13.
4-14.
4-15.
4-16.
4-17.
4-18.
4-19.
4-20.
4-21.
4-22.
4-22.1.
Procedures
Instrument Cluster Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . .
Glow Plug Relay Module Replacement . . . . . . . . . . . . . . . . . .
Voltmeter, Voltmeter Relay, and Generator 2 Relay
Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Speedometer Cable and Adapter Replacement . . . . . . . . . . . . . . .
Speedometer Gear Replacement (All Except M1028A1,
M1028A2, and M1031) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Speedometer Gear Replacement (M1028A1,
M1028A2, and M1031) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Open Door Buzzer and Seatbelt Buzzer Replacement . . . . . . . . . .
Cab Flashers and Fuses Replacement . . . . . . . . . . . . . . . . . . . . .
Body Fuses and Relays Replacement (M1010) . . . . . . . . . . . . . . . .
Oil Pressure and Coolant Temperature Sending
Units Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Headlight Control Switch Replacement . . . . . . . . . . . . . . . . . . . . . . .
Stoplights witch Replacement and Adjustment . . . . . . . . . . . . . . .
Parking BrakeS witchReplacement . . . . . . . . . . . . . . . . . . . . . . . . .
Blackout Light Switches Replacement . . . . . . . . . . . . . . . . . . . . . . .
Back-up Light Switch Replacement . . . . . . . . . . . . . . . . . . . . . . . . . .
Hazard Warning Control Replacement . . . . . . . . . . . . . . . . . . . . . .
Floodlight and Gas-Particulate Filter Unit (GPFU)
Switches Replacement (M1010) . . . . . . . . . . . . . . . . . . . . . . . . . . .
Horn and Horn Relay Replacement . . . . . . . . . . . . . . . . . . . . . . . . .
Brake Indicator Light Wire Replacement . . . . . . . . . . . . . . . . . . .
Page
Number
4-16
4-24
4-26
4-28
4-29.0
4-29.1
4-30
4-31
4-32
4-35
4-37
4-38
4-39
4-40
4-41
4-43
4-44
4-45
4-46.1
Change 2
4-15
