TM 9-2320-289-34
4-12.
CAB HEATER CONTROL, ENGINE DIAGNOSTIC, AND OPEN DOOR BUZZER
WIRING HARNESSES REPLACEMENT.
This task covers:
a. Removal
b. Installation
INITIAL SETUP:
Equipment Condition
• Both battery negative cables disconnected. (See TM 9-2320-289-20)
l Instrument cluster plate removed (if removing cab heater control wiring harness or open door
buzzer wiring harness). (See TM 9-2320-289-20)
l Instrument panel compartment removed (if removing cab heater control wiring harness or
engine diagnostic wiring harness).
a.
REMOVAL
NOTE
l If removing cab heater control wiring harness (4), perform steps 1-5.
l if removing engine diagnostic wiring harness (14), perform steps 6-8.
l if removing open door buzzer wiring harness, perform steps 9 and 10
l Ensure that all leads are tagged for installation,
1.
Remove 4 screws and pull out heater
control assembly (6).
2.
Disconnect cab heater control wiring
harness (4) from blower switch (7).
Disconnect connector
( 1 ) f r o m
instrument panel wiring harness (3)
connector.
3.
Open 3 clips (2) securing cab heater
control
wiring
harness
(4)
to
instrument panel wiring harness (3).
TA50851
4-86
