TM-9-2320-280-34 HMMWV Direct Support & General Support Maintenance Manual Download
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6-8. ENGINE WIRING HARNESS REPLACEMENT (Cont'd) NOTE Perform step 45 for 6.5 L only. 45. Disconnect fan cut-off switch leads 315 (1) from harness leads 315A/315B (2). 46. Remove capscrew (6) and leads 58A (5) and 3A (4) from cylinder head (3). 47. Disconnect harness leads 33A (10) and 58B (13) from body harness leads 33A (11) and 58B (12). NOTE Perform step 48 for 6.2 L only. 48. Remove nut (8), lockwasher (9), clamp (7), and harness (15) from transmission (14). Discard lockwasher (9). NOTE To gain access to nut it may be necessary to disconnect arctic heater hose. 49. Remove nut and lockwasher assembly (26) and lead 3C (27) from body (25). Discard nut and lockwasher assembly (26). 50. Remove two screws (24), clamp (16), and harness (15) from body (25). 51. Remove capscrew (19), nut (18), clamp (20), and harness (15) from body (25). 52. Disconnect harness connector (21) from fan clutch time delay (17). 53. Disconnect harness connector plug (22) from protective control box connector (23). 54. Remove harness (15) from engine. NOTE Refer to TM 9-2320-280-20 for repair of wiring harness connectors. 1. Position harness (15) in approximate mounting location. 2. Connect harness connector plug (22) on protective control box connector (23). 3. Connect harness connector (21) on fan clutch time delay (17). 4. Install harness (15) on body (25) with clamp (16) and two screws (24). 5. Install harness (15) on body (25) with clamp (20), capscrew (19), and nut (18). 6. Apply antiseize compound to lead 3C (27) and install lead 3C (27) on body (25) with nut and lockwasher assembly (26). 7. Connect harness leads 33A (10) and 58B (13) to body harness leads 33A (11) and 58B (12). 8. Install harness (15) on transmission (14) with clamp (7), lockwasher (9), and nut (8). 9. Apply antiseize compound to leads 3A (4) and 58A (5) and install on cylinder head (3) with cap- screw (6). NOTE Perform step 10 for 6.5 L only. 10. Connect fan cut-off switch leads 315 (1) to harness 315A/315B leads (2). b. Installation TM 9-2320-280-34 6-76 Change 1