Electrical Component and Inline Harness Connector End Views | Component Locator | Document ID: 5880325
B1 C1 D1
G1
F1
E1
A1
H1
A6
B6 C8 D2
H6
F8
E2
G6
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X50A Engine Wiring Harness Junction Block X4 — figure 1 Connector Part Information
Harness Type: Chassis Wiring Harness
OEM Connector: 33384574
Service Connector: 19371188
Description: 44-Way F 1.5, 2.8, 6.3 CTS, 9.5 MCON-LL Series( BK)
Terminal Part Information
Terminal Type ID
Terminated Lead
Diagnostic Test Pro
be Terminal Removal Tool
I
19369711
J-35616-14 (GN)
EL-38125-560A
II
84764078
J-35616-42 (RD)
J-38125-215A
III
84764079
J-35616-22 (RD)
J-38125-11A
IV
84779405
J-35616-35 (VT)
J-38125-215A
Pin
Size
Color
Circuit
Function
Terminal Type ID
Option
A1 - A2
—
—
— N
ot Occupied
—
—
A3
1
GY / BN
© 2023 Ge 2109 T
neral Motors. All rights reserved. railer Park Lamp Control
IV
—
3
G
/
09
a e
a
a
p Co t o
Pin
Size
Color
Circuit
Function
Terminal Type ID
Option
A4 - A5
—
—
—
Not Occupied
—
—
A6
1 0.75
VT / BK VT / BK
339 339
Run/Crank Ignition 1 Voltage Run/Crank Ignition 1 Voltage
IV IV
MBR+ UET UET- MBR
B1
—
—
—
Not Occupied
—
—
B2
0.75
WH / GN
1624
Trailer Backup Lamp Control
IV
—
B3
0.75
RD / GN
2440
Battery Positive Voltage
IV
—
B4 - B6
—
—
—
Not Occupied
—
—
C1
0.75
RD / BN
2940
Battery Positive Voltage
I
—
C2 - C6
—
—
—
Not Occupied
—
—
C7
0.5
RD / WH
2040
Battery Positive Voltage
I
—
C8
3
BN / YE
2996
Fuel Heater Control 1
II
—
D1
—
—
—
Not Occupied
—
—
D2
6
RD / VT
1242
Battery Positive Voltage
III
—
E1 - E2
—
—
—
Not Occupied
—
—
F1
3
RD / BU
7640
Battery Positive Voltage
II
—
F2 - G2
—
—
—
Not Occupied
—
—
G3
0.75
YE / GY
1618
Left Rear Trailer Stop/Turn Lamp Control
IV
—
G4
2
RD / YE
5840
Battery Positive Voltage
IV
—
G5
2.5
BU
3921
Diesel Exhaust Fluid Heater Control 1
IV
—
G6
2.5
RD / YE
1142
Battery Positive Voltage
IV
—
H1 - H2
—
—
—
Not Occupied
—
—
H3
0.75
GN / VT
1619
Right Rear Trailer Stop/Turn Lamp Control
IV
—
H4
3
RD / VT
5640
Battery Positive Voltage
IV
—
Pin
Size
Color
Circuit
Function
Terminal Type ID
Option
H6
4 2.5
RD / GN RD / GN
742 742
Battery Positive Voltage Battery Positive Voltage
IV IV
( - UET/ MBR) + Z82 MBR+ UET+ Z82
