TM-9-2320-272-24-1
TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)
TECHNICAL MANUAL; UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL; VOLUME 1 OF 4
JUNE 1998
TM-9-2320-272-24-1 - Page 201 of 1015
TM 9-2320-272-24-1
Table 2-3. Electrical Troubleshooting (Contd).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 6.
Disconnect lead 5B (pin B) at starter switch.
Step 7.
Connect multimeter positive lead to pin D at harness connector and negative lead to
contact end of lead 5B at starter switch.
a.
Multimeter should indicate continuity. If continuity is not indicated, repair broken
lead 5A/5B (para. 3-131).
b.
If continuity is indicated, go to test 6.
2-113
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