TM-9-2320-365-20-2 LMTV Unit Maintenance Manual M1078 Series - Volume 2 Download
Page 339 of 1432
CAUTION Use care when testing electrical connectors. Do not damage connector pins or sockets with multimeter probes. Failure to comply may result in damage to equipment. NOTE Inspect connector pins/sockets for damage, corrosion, and serviceability. Check that connector pins are not pushed back or not capable of making good contact. CONTINUITY TEST TM 9-2320-365-20-2 Change 1 2-1393 (1) Remove two screws and washers from front grille. (2) Remove screw, washer and front grille from cab. (3) Disconnect connector P119 from connector J119. (4) Remove instrument panel assembly for access (para 7-15). (5) Disconnect connector J115 (top connector) from WTEC II TEPSS. (6) Install jumper wire from connector J119d to J119a. (7) Set multimeter to ohms. (8) Connect positive (+) probe of multimeter to connector J115-13. (9) Connect negative (-) probe of multimeter on J115-1 and note reading on multimeter. (10) Connect negative (-) probe of multimeter to all other sockets in connector J115, one at a time, and note reading on multimeter. (11) Connect negative (-) probe of multimeter to ground and note reading on multimeter. (12) Connect positive (+) probe of multimeter to connector J115-1. (13) Connect negative (-) probe of multimeter to all other pins in connector J115 (except J115-13), one at a time, and note reading on multimeter. (14) Connect negative (-) probe of multimeter to ground and note reading on multimeter. (15) If continuity is not present in step 9, or continuity is present in step 10, 11, 13, or 14, replace WTEC II cab transmission harness (para 7-86). (16) Remove jumper wire from connector J119d to connector J119a. (17) Connect connector J115 to WTEC II TEPSS. (18) Install instrument panel assembly (para 7-15).