7-340
Electrical Component and Inline Harness Connector End Views
X225 Body Harness to Instrument Panel Harness (cont'd)
Pin
Size
Color
Circuit
Terminal
Type ID
Option
Function
Pin
Size
Color
Circuit
Terminal
Type ID
Option
24
0.35
L-
GN/
WH
3438
IV
—
Exhaust
Brake Switch
Indicator
Control
24
0.35
L-
GN/
WH
3438
VII
—
25
0.35
BN/
WH
419
IV
—
Check
Engine
Indicator
Control
25
0.35
BN/
WH
419
VII
—
26
0.35
YE/
L-GN
3274
IV
—
Remote
Control Door
Lock
Receiver
Transmit
Signal
26
0.35
YE/
L-GN
3274
VII
—
27
0.35
GY
3273
IV
—
Remote
Control Door
Lock
Receiver
Low
Reference
27
0.35
GY
3273
VII
—
28
0.5
BK
1850
IV
—
Ground 18
28
0.5
BK
1850
VII
—
29
0.5
WH/
L-GN
3997
IV
—
MOST Bus
Serial
Data [-]
29
0.5
WH/
L-GN
3997
VII
—
30
0.35
L-
GN/
WH
488
IV
—
Power Take-
Off Control
Switch
30
0.35
L-
GN/
WH
488
VII
—
31
0.35
BN/
L-GN
4311
IV
—
Power Take-
Off Enable
Cabin Switch
Normally
Closed
Signal
31
0.35
BN/
L-GN
4311
VII
—
32
0.5
GY/
VT
3998
IV
—
MOST Bus
Serial
Data [+]
32
0.5
GY/
VT
3998
VII
—
33
0.5
D-BU
201
IV
—
Left Front
Speaker 1 [+]
Control
33
0.5
D-BU
201
VII
—
34
—
—
—
—
—
Not
Occupied
34
—
—
—
—
—
35
0.5
L-
GN/
BK
116
IV
—
Left Rear
Speaker [-]
Control
35
0.5
L-
GN/
BK
116
VII
—
36
0.5
L-
GN/
YE
2081
IV
—
Exhaust
Brake Switch
Signal
36
0.5
L-
GN/
YE
2081
VII
—
37
0.35
VT/
YE
43
IV
—
Accessory
Voltage 0
37
0.35
VT/
YE
43
VII
—
38
-
39
—
—
—
—
—
Not
Occupied
38
- 39
—
—
—
—
—
40
0.5
L-
GN/
GY
6135
IV
—
Body Control
Module LIN
Bus 4
40
0.5
L-
GN/
GY
6135
VII
—
41
0.5
0.75
D-BU
D-BU
201
201
III
—
—
Left Front
Speaker 1 [+]
Control
Left Front
Speaker 1 [+]
Control
41
0.75
D-BU
201
VI
—
2021 - Silverado 4500HD, 5500HD, and 6500HD Electrical Body Builder Manual
