Electrical Component and Inline Harness Connector End Views
7-171
K20 Engine Control Module X1 (cont'd)
Pin
Size
Color
Circuit
Function
Terminal
Type ID
Option
66
0.5
L-GN/GY
465
Fuel Pump Primary Relay Control
II
—
K20 Engine Control Module X2
4115094
Connector Part Information
Harness Type: Engine
OEM Connector: 12685985
Service Connector: 19370825
Description: 96 -Way F 0.64 MTS-B, 2.8 ATS Series, Sealed( BK)
Terminal Part Information
Terminal Type ID
Terminated Lead
Diagnostic Test Probe
Terminal Removal Tool
I
13584448
J-35616-64B (LT BU)
J-38125-215A
II
13584448
J-35616-64B (LT BU)
J-38125-215A
III
13584530
J-35616-4A (PU)
J-38125-215A
K20 Engine Control Module X2
Pin
Size
Color
Circuit
Function
Terminal
Type ID
Option
1
0.75
VT / GN
4806
Direct Fuel Injector High Voltage Control
Cylinder 6
III
—
2
0.75
YE / GY
4807
Direct Fuel Injector High Voltage Control
Cylinder 7
III
—
3
0.75
GY / BU
4804
Direct Fuel Injector High Voltage Control
Cylinder 4
III
—
4
0.75
BN
4801
Direct Fuel Injector High Voltage Control
Cylinder 1
III
—
5
0.75
VT / GY
4906
Direct Fuel Injector High Voltage Supply
Cylinder 6
III
—
6
0.75
WH / YE
4907
Direct Fuel Injector High Voltage Supply
Cylinder 7
III
—
7
0.75
BU / WH
4904
Direct Fuel Injector High Voltage Supply
Cylinder 4
III
—
8
0.75
BN / WH
4901
Direct Fuel Injector High Voltage Supply
Cylinder 1
III
—
2021 - Silverado 4500HD, 5500HD, and 6500HD Electrical Body Builder Manual