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2.8L Duramax Diesel 2020
Manual
GMC 2.8L Duramax Diesel 2020 Manual page 87
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Contents
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Table of Contents
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86
Vehicle Care
Fuses
Usage
44
Starter solenoid
45
Engine control
module, powertrain
signal 1
46
DC-AC inverter
47
Cooling fan low
51
Left high-beam
headlamp
52
Right high-beam
headlamp
53
Left low-beam
headamp
54
Right low-beam
headlamp
55
Wipers
56
Canister vent
solenoid
58
Body control
module 2
59
Body control
module 1
61
Crankcase vent
heater
Fuses
Usage
62
O2 sensor 2/EV fan
63
64
Mass airflow
sensor/Canister
vent/Humidity
sensor
65
Ignition coils/
injectors - odd
66
Daytime running
lamps 2
67
Daytime running
lamps 1 uplevel
68
Auxiliary stoplamps
69
Trailer power
extension
70
Upfitter stoplamps
71
Fuel heater/
FlexFuel sensor
72
Body control
module 6
73
Lighter/Data link
connector
74
Front blower
Fuses
Usage
75
Engine control
module, powertrain
signal 3
76
Soot sensor
77
O2 sensor 1/ECM
powertrain signal 2
78
Engine control
module/Powertrain
79
Ignition coils/
injectors - even
Relays
Usage
15
Run/Crank
37
NOx sensors
38
Fuel pump
39
Crank
40
Air conditioning
48
EV fan clutch
49
Powertrain
50
57
Cooling fan low
60
Cooling fan control
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Chapters
Table of Contents
2
Instruments and Controls 5 Instruments and Controls
6
Driving and
17
Vehicle Care
65
Table of Contents
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