ARMY TM 9-6115-673-13&P
AIR FORCE TO 35C2-3-512-1
No indication on HERTZ
frequency meter (M4)
(MEP-531A)
Check that alternator harness
OK
Not OK
connector (P1) is connected
to control panel connector (J1)
Check for loose or corroded
Connect alternator harness
OK
Not OK
connectors at HERTZ
connector (P1)
frequency meter (M4)
With multimeter set for ohms,
OK
Not OK
check continuity in wires
Clean and tighten connectors
M4-1 and
M2-1
M4-2
M2-2
Replace HERTZ frequency
Replace or repair
meter (M4),
defective wiring
refer to paragraph 4.24
