TB 1-1730-229-20-2
FO-xx TRANSFORMER RECTIFIER UNIT HARNESS WIRING LIST, 83-360D
WL83-15085. The following tables list the wires actually incorporated into the TRU harness and
those loose wires provided as part of the MWO 1-1730-229-50-2 kit A.
TRU Harness (AC input):
WIRE NO.
SIZE
COLOR
LENGTH
FROM
TO
REMARKS
16
WHITE
20"
P20(D)
DC GRD
1/2 LUG
X1X16
12
WHITE
48"
P20(F)
K1-A1
3/8 LUG
X2X12
12
WHITE
48"
P20(I)
K1-B1
3/8 LUG
X3X12
12
WHITE
48"
P20(B)
K1-C1
3/8 LUG
X4X12
16
WHITE
55"
P20(G)
DS19(-)
#4 LUG
X5X16
Loose wires used to connect the DC output of the TRU:
WIRE NO.
SIZE
COLOR
LENGTH
FROM
TO
REMARKS
00
BLACK
29"
(-) ON TRU
DC GROUND
3/8", 1/2" LUGS
P1A2/0NA
00
BLACK
33"
(+) ON TRU
K2-A1
3/8", 3/8" LUGS
P2A2/A
Loose wires used to connects the DC OVER CURRENT light (DS19) to the ground press-to-test
signal:
WIRE NO.
SIZE
COLOR
LENGTH
FROM
TO
REMARKS
20
WHITE
9"
M11 (-)
DS21 (-)
1/4" LUG, #4 LUG
P53B20NA
20
WHITE
29"
DS19(-)
TB1-16
ANODE, #6 LUG
P53E20
20
WHITE
7"
TB1-16
TB1-11
CATHODE, #6 LUG
P53E20A
20
WHITE
14"
DS19(+)
DS20(+)
#4 LUG, #4 LUG
X47E20
Jumper to bypass GCU signal:
WIRE NO.
SIZE
COLOR
LENGTH
FROM
TO
REMARKS
20
WHITE
5"
K2-B1
K2-X1
#8 LUG, #8 LUG
P2E20A
Jumper to keep the GCU in the AC mode at all times:
WIRE NO.
SIZE
COLOR
LENGTH
FROM
TO
REMARKS
20
WHITE
2"
S11-A1
S11-AC
X48F20
REMOVE IF
H5B20B
20
WHITE
2"
S11-C4
S11-C3
INSTALLED
Jumper to allow surge control valve signal to bypass the pneumatic power switch:
WIRE NO.
SIZE
COLOR
LENGTH
FROM
TO
REMARKS
20
WHITE
11"
S8-11
S8-10
#8 LUG, #8 LUG
H1D20A
16
