TM-9-2320-365-20-1 LMTV Unit Maintenance Manual M1078 Series - Volume 1 Download
Page 857 of 1760
CAUTION WARNING NOTE Inspect connector pins/sockets for damage, corrosion, and serviceability. Check that connector pins are not pushed back and are capable of making good contact. Remove rings, bracelets, watches, necklaces, and any other jewelry before working around vehicle. Jewelry can catch on equipment and cause injury or short across electrical circuits and cause severe burns or electrical shock. 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. VOLTAGE TEST (1) Disconnect connector P3 from connector J3. (2) Set multimeter to volts DC. (3) Connect positive (+) probe of multimeter to connector P3 socket 1. (4) Connect negative (-) probe of multimeter to ground. (5) Position main light switch to SER DRIVE (TM 9-2320-365-10) and note reading on multimeter. (6) If 12 VDC is not present, repair wire 1951 (para 2-40) from connector P3 socket 1 to terminal lug TL74 or replace M1081cab clearance and marker lights lower cable assembly (para 7-55). (7) Position main light switch to OFF (TM 9-2320-365-10). Change 1 2-571 TM 9-2320-365-20-1