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TM 10-3930-673-20-1
WIRE 29
VOLTAGE TEST
(1) Disconnect negative battery cable from
negative side of battery (Para 8-42).
RELAY K4
(2) Set multimeter to volts dc.
(3) Connect multimeter positive lead (+) to
relay K4 where wire 29 connects.
(4) Connect multimeter negative lead () to
known good ground.
(5) Connect negative battery cable to
negative side of battery (Para 8-42).
(6) Turn engine start switch to ON position,
BUT DO NOT START ENGINE
(TM 10-3930-673-10).
(a) If 24 vdc is present, go to Step 9 of
this fault.
(b) If 24 vdc is not present, replace
relay K4 (Para 8-23).
(7) Turn engine start switch to OFF
position (TM 10-3930-673-10).
(8) Disconnect negative battery cable from
negative side of battery (Para 8-42).
VOLTAGE TEST
(1) Disconnect negative battery cable from
negative side of battery (Para 8-42).
CIRCUIT BREAKER CB10
(2) Set multimeter to volts dc.
WIRE 29
(3) Connect multimeter positive lead (+) to
circuit breaker CB10 where wire 29
connects.
(4) Connect multimeter negative lead () to
known good ground.
(5) Connect negative battery cable to
negative side of battery (Para 8-42).
(6) Turn engine start switch to ON position,
BUT DO NOT START ENGINE
(TM 10-3930-673-10).
(a) If 24 vdc is present, go to Step 10
of this fault.
(b) If 24 vdc is not present, repair
wire 29 (Para 8-48).
(7) Turn engine start switch to OFF
position (TM 10-3930-673-10).
(8) Disconnect negative battery cable from
negative side of battery (Para 8-42).
TR01725
2-205
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