CAR SPEC SHEET

Chevrolet Silverado Fuse Box: What Each Fuse Does

From the 2020 Chevrolet Silverado owner's manual. 3 fuse boxes listed.

Engine Compartment Fuse Block

FuseCircuit
1High-beam left
2High-beam right
3Headlamp left
4Headlamp right
5Headlamp
6TIM
7–
8Fog lamp
9VKM
10–
11Police upfitter
12–
13Washer front
14Washer rear
15MSB driver
16–
17IECL 1
18DC/AC inverter
19DC/AC inverter
20IECR 2 (LD) / EBCM2 (HD)
21MSB pass
22IECL 2
23Rear window defogger
24EBCM 1
25REC
26–
27Horn
28–
29–
30–
31–
32Rear window defogger
33Heated mirror
34Parking lamp left
35Parking lamp
36Run/Crank
37Euro trailer
38TIM
39–
40Misc ignition
41Trailer parking lamp
42Park lamp right
43Second fuel pump
44–
45Second fuel pump
46Engine control module ignition
47Transmission control module ignition
48–
49Transmission control module
50A/C clutch
51Transfer case control module
52Front wiper
53Center high-mounted stop lamp
54Trailer reverse lamp
55Trailer back-up lamp
56SADS
57TTPM
58Starter motor (LD & HD DSL)
59A/C clutch
60Active fuel management 1
61VES
62Integrated chassis control module/CVS
63Trailer battery
64Starter Motor (LD & HD DSL) / Cool Fan Clutch (HD Gas)
65Auxiliary underhood electrical center
66Cooling fan motor left
67Active fuel management 2
68–
69Starter Pinion (LD) / Starter Motor (HD Gas)
70Starter Pinion (LD) / Starter Motor (HD Gas)
71Cooling fan
72Cooling fan right
73Trailer stop/turn lamp left
74TIM
75DEFC
76Electric RNG BDS
77Powertrain
78Engine control module
79Auxiliary battery
80Cabin cooling pump
81Trailer stop/turn lamp right
82TIM
83FTZM
84Trailer brake
85ENG
86Engine control module
87Injector B even
88O2 B sensor
89O2 A sensor
90Injector A odd
91Engine control module throttle control
92Cool fan clutch

Source: owner's manual, PDF pages 369, 370, 371.

Instrument Panel Fuse Block (Left)

Location: The left instrument panel fuse block access door is on the driver side edge of the instrument panel.

FuseCircuit
F1Rear heated seats left/right
F3Euro trailer
F4–
F5Front Bolster
F6Heated and ventilated seats left/right
F8Rear seat entertainment/Theft deterrent
F9Passive entry/Passive start/Driver seat module
F10–
F11Sunshade
F12Passenger power seat
F13Export power take off/ Special equipment option 1
F14–
F15–
F16AMP
F17MFEG
F18–
F20Endgate
F22Rear sliding window
F23–
F24–
F25–
F26–
F27–
CB1–
K1Rear sliding window open
K2Rear sliding window close
K3MFEG major 1
K4MFEG minor 1
K5MFEG minor 2

Source: owner's manual, PDF pages 371, 372.

Instrument Panel Fuse Block (Back)

FuseCircuit
F1Right doors
F2Left doors
F3Universal remote system
F4–
F5–
F6Front blower
F8Lumbar switch
F10Body control module 6/Body control module 7
F11Seat/CLM
F12Body control module 3/Body control module 5
F14Mirrors/Windows module
F17Steering wheel controls
F18VPM/OBS DET
F19DLIS
F20Ventilated seats
F21NOT R/C
F22Heated steering wheel
F23MISC R/C
F24Instrument panel cluster ignition/ Overhead
F25Heating, ventilation, and air conditioning ignition/Heating, ventilation, and air conditioning auxiliary
F26USB ports/Special equipment option retained accessory power
F27Accessory power outlet/retained accessory power
F28Accessory power outlet/Battery
F30Sensing and diagnostic module/ Parking brake
F31Body control module 4
F32Special equipment option/Data link connection
F33Body control module 8
F34Cargo lamp
F40CGM
F41Infotainment 1
F42TCP
F43–
F44AVM
F45Body control module 2
F46Heating, ventilation, and air conditioning/ Battery 1
F47Instrument panel cluster/Battery
F48Transmission control module
F49Body control module 1
F50–
F51Battery 1
F52Battery 2
F53–
F54Sunroof
F55Driver power seat
F56DC DC TRANS 1
F57DC DC TRANS 2
F58Infotainment 2
1Accessory power outlet 2
2Accessory power outlet 1/Cigarette Lighter
3Accessory power outlet 3
4Accessory power outlet 4
K1Run/Crank
K2Retained accessory power/Accessory 1
K4Retained accessory power/Accessory 2
K5–

Source: owner's manual, PDF pages 374, 375.

Listings are copied as text from the manual's fuse tables (AI-assisted; every circuit name was matched against the cited pages 2026-10-18). Fuse layouts can differ by trim and year; check the label on the fuse box cover before replacing a fuse, and always use the same amp rating.

Confirm with your own manual, dipstick or door-jamb label.
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