Electrical Component and Inline Harness Connector End Views
7-197
K74 Human Machine Interface Control Module X2 (IO5/IO6)
Pin
Size
Color
Circuit
Function
Terminal
Type ID
Option
1
0.35
WH/VT
3999
MOST Bus Control
I
—
2
0.5
WH/L-GN
3997
MOST Bus Serial Data [-]
I
—
3
0.5
GY/VT
3998
MOST Bus Serial Data [+]
I
—
4
—
—
—
Not Occupied
—
—
5
0.35
GY/YE
6972
Rearview Camera Signal [+]
I
—
6
0.35
WH/D-BU
6973
Rearview Camera Signal [-]
I
—
7
—
—
—
Not Occupied
—
—
8
0.5
GY/VT
3998
MOST Bus Serial Data [+]
I
—
9
0.5
WH/L-GN
3997
MOST Bus Serial Data [-]
I
—
10 - 12
—
—
—
Not Occupied
—
—
K77 Remote Control Door Lock Receiver
2179793
Connector Part Information
Harness Type: Body
OEM Connector: 10768790
Service Connector: 84724190
Description: 4-Way F 0.64 Micro-Quadlock 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
K77 Remote Control Door Lock Receiver
Pin
Size
Color
Circuit
Function
Terminal
Type ID
Option
1
0.35
GY
3273
Remote Control Door Lock Receiver Low
Reference
I
—
2
0.35
YE/L-GN
3274
Remote Control Door Lock Receiver Transmit
Signal
I
—
3
0.35
D-BU/WH
3275
Remote Control Door Lock Receiver Receive
Signal
I
—
4
0.35
GY/WH
3272
Remote Control Door Lock Receiver Control
I
—
2021 - Silverado 4500HD, 5500HD, and 6500HD Electrical Body Builder Manual
