ARMY TM 9-6675-349-12&P
MARINE CORPS TM 11039A-12&P
5-1. General - Continued
P2 to CPNU J1
P3 to CPNU J9
P4 to BCU out
Legend for Figure 5-1 Wiring Harness W114
Wire
P-1
P-2
P-3
P-4
TEST
CDU J1
CPNU J1
CPNU J9
BCU AUX
OUT
Ground
B, C
A
Check pin A on P-4 end
and pins B and C on the
P-2 end for continuity.
+26 volts DC
A, D
B
Check pins A and D on
the P-2 end and pin B on
the P-4 end for continuity.
Ground
A
C
Check pin C on BCU end
and pin A on CDU end
for continuity.
+15.6 volts
B
D
Check pin B on P-1 end
DC
and pin D on the P-4 end
for continuity.
Transmit
F
1
Check pin F on P-1 end
and pin 1 on P-3 end for
continuity.
Receive
E
2
Check pin E on P-1 end
and pin 2 on P-3 end for
continuity.
Ground
D
3
Check pin D on P-1 end
and pin 3 on P-3 end for
continuity.
