Electrical Component and Inline Harness Connector End Views
7-287
X101 Engine Chassis Harness to Engine Harness (cont'd)
Pin
Size
Color
Circuit
Terminal
Type ID
Option
Function
Pin
Size
Color
Circuit
Terminal
Type ID
Option
17
0.5
VT/
YE
5985
IV
—
Accessory
Wake-Up
Serial Data
17
0.5
VT/
YE
5985
VI
—
18
0.5
VT/
BK
2139
IV
—
Run/Crank
Ignition 1
Voltage 21
18
0.5
VT/
BK
2139
VI
—
19
-
21
—
—
—
—
—
Not
Occupied
19
- 21
—
—
—
—
—
22
0.5
VT/
D-BU
3674
I
—
NOx Sensor
1 Control
22
0.5
VT/
BU
3674
V
—
23
0.5
GY
23
III
—
Generator
Field Duty
Cycle Signal
23
0.5
GY
23
VI
—
24
0.75
BN
25
III
—
Charge
Indicator
Control
24
0.5
BN
25
VI
—
25
0.5
BN/
RD
7445
II
—
Fuel
Pressure
Sensor 5V
Reference
25
—
—
—
—
—
26
0.5
BK/
YE
7447
II
—
Fuel
Pressure
Sensor Low
Reference
26
—
—
—
—
—
27
0.5
D-
BU/
WH
7446
II
—
Fuel
Pressure
Sensor
Signal
27
—
—
—
—
—
28
—
—
—
—
—
Crankshaft
Position
Sensor
Replicated
Signal
28
0.5
VT/
BU
6091
VII
—
29
—
—
—
—
—
Not
Occupied
29
—
—
—
—
—
30
0.5
D-
BU/
L-GN
7071
II
—
Fuel Heater
Control
30
0.5
BU/
GN
7071
VII
—
31
—
—
—
—
—
Exhaust
After-
treatment
Fuel Injector
Low Control
31
0.5
VT/
BN
2927
VII
—
32
—
—
—
—
—
Exhaust
After-
treatment
Fuel Injector
High Control
32
0.5
BN/
BU
2926
VII
—
33
0.5
D-
BU/
BN
4498
II
—
High Speed
GMLAN
Serial Data
[+] 7
33
0.5
BU/
BN
4498
VII
—
34
0.5
WH
4499
II
—
High Speed
GMLAN
Serial Data
[-] 7
34
0.5
WH
4499
VII
—
35
0.5
D-BU
2500
I
—
High Speed
GMLAN
Serial Data
[+] 1
35
0.5
BU
2500
VII
—
2021 - Silverado 4500HD, 5500HD, and 6500HD Electrical Body Builder Manual