User Manual - Page 366

For 2500 HD.

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Chevrolet Silverado LD 1500 and Silverado 2500/3500 Owner Manual (GMNA-
Localizing-U.S./Canada-12162993) - 2019 - crc - 4/4/18
Vehicle Care 365
Fuses Usage
45 Fuel injectors B –
even
46 O2 Sensor B
47 Throttle control
48 Horn
49 Fog lamps
50 O2 Sensor A
51 Engine control
module
52 Interior heater
53 Accessory power
module/TPM pump
54 Front washer
55 Air conditioning/
Battery regulated
voltage control
56 Air conditioning
module/
Battery pack
57 Transmission
control module/
Engine control
module
Fuses Usage
58 Headlamps
74 Electric running
boards
76 Fuel pump prime /
MGU motor
77 Cabin pump motor
79 Vacuum pump
Relays Usage
59 Fuel pump
60 Upfitter 2
61 Upfitter 3
62 Upfitter 4
63 Trailer parking
lamps
64 Run/Crank
65 Upfitter 1
66 Fuel pump 2
67 Air conditioning
control
68 Starter
Relays Usage
69 Rear window
defogger
70 Engine control
module
71 Vacuum pump/
Cooling fan clutch
72 CKT 95
73 CKT 92
75 Fuel pump prime/
MGU motor
78 Vacuum pump
switch
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