4-12. CAB HEATER CONTROL, ENGINE DIAGNOSTIC, AND OPEN DOOR BUZZER WIRING HARNESSES REPLACEMENT

4-12. CAB HEATER CONTROL, ENGINE DIAGNOSTIC, AND OPEN DOOR BUZZER WIRING HARNESSES REPLACEMENT (Cont)

/.25ton/TM-9-2320-289-34 CUCV Series Trucks at intermediate direct support and general support level Manual
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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

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