7-264
Electrical Component and Inline Harness Connector End Views
S77 Transfer Case Shift Control Switch (NQF)
Pin
Size
Color
Circuit
Function
Terminal
Type ID
Option
1
—
—
—
Not Occupied
—
—
2
0.35
VT/BN
300
Run Ignition 3 Voltage
I
—
3
0.35
BN
1560
Neutral Indicator Control
I
—
4
0.35
WH
6816
Indicator Dimming Control
I
—
5
0.35
YE
6817
LED Backlight Dimming Control 1
I
—
6
0.5
BK
1050
Ground 10
I
—
7
—
—
—
Not Occupied
—
—
8
0.35
L-GN/BK
1563
2WD HI Indicator Control
I
—
9
0.35
BN/BK
1566
4WD HI Indicator Control
I
—
10
0.35
VT/WH
1565
4WD LO Indicator Control
I
—
11
0.35
GY/RD
6029
Four Wheel Drive Mode Switch 5V Reference
I
—
12
0.35
D-BU/YE
1693
Four Wheel Drive Switch Signal
I
—
S79D Window Switch - Driver (A31)
1664569
Connector Part Information
Harness Type: Driver Door Trim
OEM Connector: 13950639
Service Connector: Service by Harness - See Part Catalog
Description: 12-Way F 0.64 Series (BK)
Terminal Part Information
Terminal
Type ID
Terminated
Lead
Diagnostic
Test Probe
Terminal
Removal Tool
Service Terminal
Tray
Name
Core
Crimp
Insulation
Crimp
I
Not
Required
J-35616-64B
(LT BU)
No Tool Required
Not Required
Not
Required
Not
Required
Not
Required
S79D Window Switch - Driver (A31)
Pin
Size
Color
Circuit
Function
Terminal
Type ID
Option
1
0.75
BK
1150
Ground 11
I
—
2
0.35
GN/VT
7628
Left Front Window Motor Express Control
I
—
3
0.35
GY
1136
Left Front Window Down Switch Main Control
Signal
I
—
2021 - Silverado 4500HD, 5500HD, and 6500HD Electrical Body Builder Manual
