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![]() TM 9-2320-363-20-2 
VEHICLE HEATER OR HEATER/AC UNIT CONTROLS REPLACEMENT, REPAIR, AND ADJUSTMENT (CONT) 
NOTE 
Tag connectors prior to removal to aid in installation. 
11. 
DISCONNECT TWO CONNECTORS (25) FROM FAN-SPEED SWITCH (24). 
NOTE 
Tag red hose connect points prior to removal to aid in installation. 
Air lines and connect points are color-coded to aid in installation. 
12. 
DISCONNECT THREE AIR LINES (26). 
13. 
CAREFULLY PUSH FROM BACK SIDE OF CONTROL PANEL (22) TO REMOVE RECIRCULATION SWITCH 
(27). 
4-808 Change 3 
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