
7-12
Electrical Component and Inline Harness Connector End Views
X50A Fuse Block - Underhood X2 (cont'd)
Pin
Size
Color
Circuit
Function
Terminal
Type ID
Option
B5
0.5
VT/L-GN
39
Run/Crank Ignition 1 Voltage
II
—
B6
0.75
L-GN/VT
1315
Right Front Turn Signal Lamp Control
II
—
C1
0.35
D-BU/WH
5186
Left Trailer Turn Signal Lamp Control
I
—
C2
0.35
YE/GY
5187
Right Trailer Turn Signal Lamp Control
I
—
C3
0.5
BN
1317
Fog Lamp Relay Control
I
—
C4
0.35
BN/VT
1969
Headlamp High Beam Relay Control
I
—
C5
0.75
D-BU/WH
1314
Left Front Turn Signal Lamp Control
I
—
C6 - D1
—
—
—
Not Occupied
—
—
D2
10
RD/VT
842
Primary Fused Battery Positive Voltage 8
III
—
E1
—
—
—
Not Occupied
—
—
E2
10
RD/D-BU
42
Primary Fused Battery Positive Voltage
III
—
F1
—
—
—
Not Occupied
—
—
F2
0.5
VT/WH
5065
Stop Lamp Relay Coil Control
I
—
F3
0.35
D-BU/BN
38
Backup Lamp Relay Control
I
—
F4
0.35
BN/WH
28
Horn Relay Control
I
—
F5
—
—
—
Not Occupied
—
—
F6
0.75
YE
312
Right Headlamp Low Beam Control
I
—
F7
—
—
—
Not Occupied
—
—
F8
0.75
YE
712
Left Headlamp Low Beam Control
I
—
G1
0.75
BN/GY
29
Horn Control
II
—
G2
0.5
L-GN/WH
24
Backup Lamp Control
II
—
G3
2
RD/L-GN
968
—
II
—
G4
0.5
BK
550
Ground 5
II
—
G5
0.5
YE
5530
Hood Open Switch Signal
II
—
G6 - H1
—
—
—
Not Occupied
—
—
H2
0.5
VT/GY
709
Left Park Lamp Control
II
—
H3
0.5
VT/GY
709
Left Park Lamp Control
II
—
H4
—
—
—
Not Occupied
—
—
H5
0.5
GY/BN
309
Right Park Lamp Control
II
—
H6
0.35
D-BU
45
Park Lamp Relay Control
II
—
X50A Fuse Block - Underhood X3
4992608
2021 - Silverado 4500HD, 5500HD, and 6500HD Electrical Body Builder Manual