7-192
Electrical Component and Inline Harness Connector End Views
Connector Part Information
Harness Type: Engine Chassis
OEM Connector: 15499493
Service Connector: 88988938
Description: 80 -Way F 1.5 Series, Sealed( BK)
Terminal Part Information
Terminal Type ID
Terminated Lead
Diagnostic Test Probe
Terminal Removal Tool
I
13578813
J-35616-14 (GN)
J-38125-217
K71 Transmission Control Module
Pin
Size
Color
Circuit
Function
Terminal
Type ID
Option
1 - 5
—
—
—
Not Occupied
—
—
6
0.75
YE
2500
High Speed GMLAN Serial Data [+] 1
I
—
7 - 8
—
—
—
Not Occupied
—
—
9
1
BK
109
Hood Ajar Switch Signal
I
—
10
1
RD
110
Sunroof Switch Close Signal
I
—
11
0.75
OG
111
Hazard Warning Switch Signal
I
—
12 - 13
—
—
—
Not Occupied
—
—
14
0.75
GY
114
Engine Oil Pressure Switch Signal
I
—
15 - 16
—
—
—
Not Occupied
—
—
17
0.75
BU
117
Right Front Speaker [-] Control 1
I
—
18 - 19
—
—
—
Not Occupied
—
—
20
0.75
BU
120
Fuel Pump Control
I
—
21 - 22
—
—
—
Not Occupied
—
—
23
0.75
GN
123
Folding Top Up Relay Control
I
—
24 - 26
—
—
—
Not Occupied
—
—
27
0.75
GN
2501
High Speed GMLAN Serial Data [-] 1
I
—
28 - 30
—
—
—
Not Occupied
—
—
31
0.75
YE
131
Sunroof Limit Switch Range Signal
I
—
32
—
—
—
Not Occupied
—
—
33
0.75
YE
133
Sunroof Limit Switch Low Reference
I
—
34
0.75
WH
134
Charge Port Valve Command Signal
I
—
35
—
—
—
Not Occupied
—
—
36
0.75
OG
136
Driver Information Center Fuel LED Control
I
—
37
0.75
WH
137
Driver Information Center Switch Economy LED
Control
I
—
38
0.75
OG
138
Rear Compartment Lid Latch Cinch Motor
Control
I
—
39
—
—
—
Not Occupied
—
—
40
0.75
GN
140
Battery Positive Voltage
I
—
41 - 50
—
—
—
Not Occupied
—
—
51
0.75
WH
151
Signal Ground
I
—
52
0.75
GN
152
Driver Information Center Gauge LED Control
I
—
53
0.75
YE
153
Driver Information Center Oil LED Control
I
—
54
0.75
TN
154
Driver Information Center Date LED Control
I
—
55
0.75
WH
155
Driver Seat Belt Retractor Solenoid Actuator
Control
I
—
2021 - Silverado 4500HD, 5500HD, and 6500HD Electrical Body Builder Manual