4-79. WIRING  HARNESSES.  (cont) f.   Wiring Harness    W3 Removal. (cont) (7) Tag and disconnect electrical connectors/leads from low oil pressure switch, monopole speed sensor, EGT thermocouple, ignition coil, and starter. (8) Where wiring harness    W3 passes through engine housing bulkhead to  fuel  housing,  remove  screws  and washer  that  secure  grommet  plate  to bulkhead. See figure 4-44. Carefully pull wiring harness W3 through bulkhead into engine housing. (9)   Remove   nuts,   washers,   and screws  and  loop  clamps that secure wiring  harness  W3  to  engine  housing. (10)  Open  control  panel  access d o o r. (11)  Loosen turnlock fasteners and open control panel. (12) harness terminals (13) (14) and  remove (15) harness  W3 (16) Tag  and  disconnect  wiring W 3 connections    on TB3, 1 and 19. Close  control  panel. Loosen turnlock fasteners EECM access cover. Tag  and  disconnect  wiring from EECM connector J5. In  engine  housing,  locate grommet plate mounted on bulkhead sepa- rating engine housing from   EECM compartment. Remove screws and washers that  secure  grommet  plate  to  bulkhead. (17)  Carefully pull wiring harness W3 through-bulkhead into engine housing. ARMY TM  5-6115-612-12 MARINE  CORPS  TM  6115-12/7 AIR  FORCE TO 35C2-3-471-1 NAVY AG-320B0-0MM-000 (18)   Remove   wiring   harness   W3 from  engine  housing. g. Remove wiring h. Wiring Harness    W3 Repair. connectors  and  replace  damaged as necessary. Wiring  Harness  W3  Installation. (1)  Carefully place wiring harness W3 in engine housing. (2) Pass connector through bulkhead into EECM housing. Connect to EECM connector J5. (3) Install EECM access cover and secure  with  turnlock  fasteners. (4) Open control panel. (5)  Remove tags and connect wiring harness W3 connections to TB3, terminals 1 and 19. (6) Close control panel and secure  with  turnlock  fasteners. (7) Close control panel access door. (8)   Use   washers   and   screws   to secure grommet plate    to bulkhead separating engine housing from EECM. See figure 4-47. (9)  Secure  wiring  harness  W3  to edge of engine housing compartment with Loop clamps, screws, washers,   and nuts. See figure 4-44. (10) Remove tag and connect lead to starter. 4-145