7-78
Electrical Component and Inline Harness Connector End Views
A11 Radio X2 (IO3/IO5/IO6)
Pin
Size
Color
Circuit
Function
Terminal
Type ID
Option
1
0.5
WH/L-GN
3997
MOST Bus Serial Data [-]
I
—
2
0.5
GY/VT
3998
MOST Bus Serial Data [+]
I
—
3
0.5
WH/L-GN
3997
MOST Bus Serial Data [-]
I
—
4
0.5
GY/VT
3998
MOST Bus Serial Data [+]
I
—
5 - 6
—
—
—
Not Occupied
—
—
7
0.35
WH/VT
3999
MOST Bus Control
I
—
8
—
—
—
Not Occupied
—
—
A11 Radio X2 (IOB)
5109514
Connector Part Information
Harness Type: Instrument Panel
OEM Connector: 35162720
Service Connector: 13525992
Description: 20-Way F 0.64 Series (BN)
Terminal Part Information
Terminal
Type ID
Terminated
Lead
Diagnostic
Test Probe
Terminal
Removal Tool
Service Terminal
Tray
Name
Core
Crimp
Insulation
Crimp
I
13575742
J-35616-64B
(LT BU)
J-38125-215A
SAIT-A03T-M064
Not
Required
Not
Required
Not
Required
II
19300631
J-35616-64B
(LT BU)
J-38125-215A
Not Available
Not
Required
Not
Required
Not
Required
A11 Radio X2 (IOB)
Pin
Size
Color
Circuit
Function
Terminal
Type ID
Option
1 - 2
—
—
—
Not Occupied
—
—
3
0.35
GY
314
Radio On Signal
II
—
4
0.35
VT/GY
1381
LCD Dimming Signal
II
—
5
0.35
GY/D-BU
3989
Display Radio Bank Switch Dim Signal
II
—
6
0.35
BN/L-GN
4502
Video Display Request Signal
II
—
7
0.35
BN/L-GN
3364
Navigation Display Reset Signal
II
—
8
0.35
D-BU
4315
Radio Volume Up Switch Signal
II
—
2021 - Silverado 4500HD, 5500HD, and 6500HD Electrical Body Builder Manual
