7-52
Electrical Component and Inline Harness Connector End Views
X61A Junction Block - Instrument Panel X1 (cont'd)
Pin
Size
Color
Circuit
Function
Terminal
Type ID
Option
40
—
—
—
Not Occupied
—
—
41
0.5
L-GN/BK
7633
Trailer Brake Control User Gain Signal
II
—
42 - 43
—
—
—
Not Occupied
—
—
44
0.5
WH/D-BU
3691
Trailer Brake Apply Signal
II
—
45
—
—
—
Not Occupied
—
—
46
0.5
VT/WH
1939
Run/Crank Ignition 1 Voltage 19
I
—
47
0.5
WH
6816
Indicator Dimming Control
II
—
48
—
—
—
Not Occupied
—
—
49
0.35
YE/WH
816
Brake Transmission Shift Interlock Solenoid
Actuator Control
II
—
50
2.5
BK
2550
Ground 25
III
—
X61A Junction Block - Instrument Panel X2
3240130
Connector Part Information
Harness Type: Body
OEM Connector: 33115109
Service Connector: 19329464
Description: 50-Way F 1.5, 2.8 OCS Series (GY)
Terminal Part Information
Terminal
Type ID
Terminated
Lead
Diagnostic
Test Probe
Terminal
Removal Tool
Service Terminal
Tray
Name
Core
Crimp
Insulation
Crimp
I
19300649
J-35616-
4A (PU)
J-38125-215A
Not Available
Not
Required
Not
Required
Not
Required
II
19301751
J-35616-
2A (GY)
J-38125-215A
Not Available
Not
Required
Not
Required
Not
Required
III
19301752
J-35616-
4A (PU)
J-38125-215A
Not Available
Not
Required
Not
Required
Not
Required
IV
19301761
J-35616-
4A (PU)
J-38125-215A
Not Available
Not
Required
Not
Required
Not
Required
V
19368307
J-35616-
35 (VT)
J-38125-12A
1326030-8
Not
Required
Not
Required
Not
Required
2021 - Silverado 4500HD, 5500HD, and 6500HD Electrical Body Builder Manual