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Chevrolet Blazer Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13557845) - 2020 - CRC - 6/19/19
280 Vehicle Care
Fuses Usage
F52 Air conditioning
clutch
F53 –
F54 Coolant pump
F55 –
F56 –
F57 Engine control
module/Ignition
F58 Transmission
control module/
Ignition
F59 Engine control
module battery
F60 –
F61 O2 sensor 1/
Aeroshutter/Mass
air flow sensor
F62 Engine control
module – odd
F63 O2 sensor 2
F64 Engine control
module – even
Fuses Usage
F65 Engine control
module
powertrain 1
F66 Engine control
module
powertrain 2
F67 Engine control
module
powertrain 3
F68 –
F69 –
F70 –
F71 –
F72 –
F73 –
F74 –
F75 –
F76 –
F77 –
Relays Usage
K1 Starter 1
Relays Usage
K2 Run/Crank
K3 Starter 3
K4 –
K5 –
K6 Coolant pump
K7 Engine control
module
K8 Air conditioning
K9 –
K10 Starter 2
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