Electrical Component and Inline Harness Connector End Views | Component Locator | Document ID: 5880324
A1
B1 C1 D1
H1
G1
F1
E1
A6
H6
B6 C8 D2
F8
E2
G6
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X50A Engine Wiring Harness Junction Block X3 — figure 1 Connector Part Information
Harness Type: Engine Wiring Harness
OEM Connector: 33384584
Service Connector: 19371176
Description: 44-Way F 1.5, 2.8, 6.3 CTS, 9.5 MCON-LL Series( GY)
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
V
Not required
No Tool Required
No Tool Required
Pin
Size
Color
Circuit
Function
Terminal Type ID
Option
A1
0.75
VT / GN
439 R
un/Crank Ignition 1 Voltage
IV
—
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neral Motors. All rights reserved.
Pin
Size
Color
Circuit
Function
Terminal Type ID
Option
A2
0.5
VT / BK
2139
Run/Crank Ignition 1 Voltage
IV
—
A3
—
—
—
Not Occupied
—
—
A4
0.75
BN / GN
59
Air Conditioning Compressor Clutch Control
IV
—
A5
0.75
RD / VT
7940
Battery Positive Voltage
IV
—
A6
0.75
GN
8016
Secondary Axle Motor Control
IV
—
B1
2.5
YE
6
Starter Solenoid Crank Ignition Voltage
IV
—
B2
0.5
YE / BK
625
Starter Enable Relay Control
IV
—
B3
0.5
VT / GY
8017
Secondary Axle Motor Relay Control
IV
—
B4 - B5
—
—
—
Not Occupied
—
—
B6
2.5
RD / GY
1342
Battery Positive Voltage
IV
—
C1
0.5
BU
3017
Fuel Heater Relay 1 Control
I
—
C2
—
—
—
Not Occupied
—
—
C3
0.75 0.5
BK BK
6550 6550
Ground Ground
I I
L84/ L87/ LM2 LM2
C4
0.5
WH / GY
459
Air Conditioning Compressor Clutch Relay Control
I
—
C5
0.5
GN / BU
3889
Powertrain Sensor Bus Relay Control
I
—
C6
1
VT / GN
4320
Powertrain Sensor Bus Enable
I
—
C7
—
—
—
Not Occupied
—
—
C8
—
BN / YE
2996
Fuel Heater Control 1
V
—
D1
—
—
—
Not Occupied
—
—
D2
5
RD / BU
1842
Battery Positive Voltage
III
—
E1
5
RD / BU
1542
Battery Positive Voltage
III
—
E2
5
RD / BN
1742
Battery Positive Voltage
III
—
F1
2.5
YE / GN
4358
Starter Pinion Solenoid Voltage
II
—
F2
0.5
YE / VT
4325
Starter Pinion Solenoid Actuator Relay Control
I
—
F3
0.5
RD / BN
440
Battery Positive Voltage
I
—
Pin
Size
Color
Circuit
Function
Terminal Type ID
Option
F4
0.5
YE
5991
Powertrain Relay Coil Control
I
—
F5
0.5
RD / BN
5940
Battery Positive Voltage
I
—
F6
—
—
—
Not Occupied
—
—
F7
0.5
VT / BU
5705
Powertrain Main Relay Control
I
—
F8
—
—
—
Not Occupied
—
—
G1
0.75
VT / BU
5294
Powertrain Main Relay Fused Supply Voltage 5
IV
—
G2 - G4
—
—
—
Not Occupied
—
—
G5
1
VT / GN
4320
Powertrain Sensor Bus Enable
IV
—
G6
0.75
VT / BU
5291
Powertrain Main Relay Fused Supply Voltage 2
IV
—
H1
2
VT
5290
Powertrain Main Relay Fused Supply Voltage 1
IV
—
H2
0.75
VT / BU
5292
Powertrain Main Relay Fused Supply Voltage 3
IV
—
H3
0.75
VT / BU
5294
Powertrain Main Relay Fused Supply Voltage 5
IV
—
H4
0.75
VT / BU
5293
Powertrain Main Relay Fused Supply Voltage 4
IV
—
H5
1
VT / BU
5291
Powertrain Main Relay Fused Supply Voltage 2
IV
—
H6
0.75
VT
5290
Powertrain Main Relay Fused Supply Voltage 1
IV
—
