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 252 of 1015

TM 9-2320-272-24-1

Table 2-3. Electrical Troubleshooting (Contd).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

Test 3. Test each wire the same until all 10 wires have been tested. Continuity should be read on

each wire.

a.

If continuity is not read on any wire, replace cable.

b.

If continuity is read, plug cable into vehicle receptacle and test receptacle voltage at

trailer end of cable. Perform malfunction 22.

END OF TESTING!

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