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Chevrolet Silverado 4500HD/5500HD/6500HD Owner Manual (GMNA-
Localizing-U.S.-12102101) - 2019 - crc - 10/2/18
330
Vehicle Care
Fuses
Usage
15
–
16
–
17
Body control module 1
18
Upfitter Switch 1 & 2
19
Upfitter 2
20
–
21
–
22
Heating, ventilation,
and air conditioning/
Auxiliary heating,
ventilation, and air
conditioning/Ignition
23
Instrument cluster/
Ignition sensing
diagnostic module/
Ignition
24
Spare
25
Data link connector/
Driver seat module
26
Passive entry/Passive
start/Heating,
ventilation, and air
conditioning
Fuses
Usage
27
Spare
28
Spare
29
Spare
30
Special equipment
option/Automatic level
control
31
Accessory/Run/Crank
32
Spare
33
Spare
34
Instrument cluster
35
–
36
Spare
37
Upfitter 1
38
Spare
39
–
40
Left doors
41
Driver power seat
42
–
43
Left heated, cooled or
ventilated seats (if
equipped)
Fuses
Usage
44
Right heated, cooled
or ventilated seats (if
equipped)
45
Spare
46
–
Relays
Usage
47
–
48
Upfitter 2
49
Retained accessory
power/Accessory
50
Run/Crank
51
Upfitter 1