TM 9-2350-261-20-1
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Set MASTER SWITCH to OFF (see your -10).
Install cable W6 plug P5 (1) on Power Control
Enclosure jack J26 (2).
Remove cable W38 plug P7 (3) from Power Control
Enclosure jack J28 (4).
Set MASTER SWITCH to ON (see your -10).
Measure voltage between center of P7 (3) and ground.
Does multimeter read 22 volts DC or more?
GO TO PAGE 3-226.11
3-226.6
Change 3