120 and 120 AWD Motor Grader Caterpillar


Fuses - Replace

Usage:

120 Y9C
Fuses - Fuses protect the electrical system from damage that is caused by overloaded circuits. Replace the fuse if the element is separated. Check the circuit if the element is separated in a new fuse. Repair the circuit.

Note: There are two blower motor fuses located under the seat. If either of these fuses need replaced, the seat must be removed to access the fuses.


NOTICE

Replace the fuses with the same type and size only.

If it is necessary to replace fuses frequently, an electrical problem may exist. Consult your Caterpillar dealer.




Illustration 1g06185443
Cab Fuse Block (A)
Cab Fuse Block (B)


Illustration 2g06227752
Rear Fuse Block (C)
Rear Relay Block (D)

Fuse Block "A"



Illustration 3g06203948

RH Cab Floodlight (F1) - 15 amp

Headlamp (F2) - 15 amp

Rear Work Lights (Cab Mounted) (F3) - 15 amp

Rear Work Lights (Hood Mounted) (F4) - 15 amp

Blade Flood Light (F5) - 15 amp

LH Position Lamp (F6) - 15 amp

RH Position Lamp (F7) - 10 amp

Snow Wing Light (F8) - 15 amp

Forward Horn (F10) - 10 amp

Beacon Lamp (F11) - 10 amp

Seat (F13) - 15 amp

(F14) - 10 amp

(F15) - 10 amp

Blade Flood Light (F18) - 15 amp

Front Work Lights (Cab Mounted) (F19) - 15 amp

Snow Wing Light (R1) - Relay

Rear Work Lights (Hood Mounted) (R2) - Relay

Blade Floodlights (R3) - Relay

Front Work Lights (Cab Mounted) (R5) - Relay

Dimmer (R6) - Relay

Window Washer (R7) - Relay

(R9) - Relay

Rear Work Lights (Cab Mounted) (R10) - Relay

(R12) - Relay

R14 - Relay

RH Position Lamp (R16) - Relay

Beacon Lamp (R17) - Relay

Fuse Block "B"



Illustration 4g06203953

Blower Motor (F1) - 15 amp

Blower Heater (F6) - 10 amp

Valve (F7) - 10 amp

HVAC (F8) - 20 amp

Turn Signals (F10) - 10 amp

Side Wipers (F11) - 15 amp

Front/Rear Wipers (F12) - 15 amp

LH Armrest Adjust Motor (F13) - 10 amp

LH Door Wiper (F14) - 15 amp

Heated/Ventilated Seat (F15) - 15 amp

Centershift Lock (F17) - 10 amp

RH Door Wiper (F18) - 15 amp

Heated Mirror (F19) - 10 amp

RH Armrest Adjust Motor (F20) - 10 amp

Keyswitch (F21) - 10 amp

Brake Lights (F22) - 10 amp

Implement ECM (F23) - 15 amp

Dome Lamp (F24) - 10 amp

Product Link ECM (F25) - 10 amp

Accugrade Power (F26) - 15 amp

Implement ECM (F28) - 20 amp

Blade Cushion (F29) - 10 amp

Implement ECM (F30) - 10 amp

Radio (F32) - 15 amp

(F34) - 20 amp

Implement ECM #3 (F35) - 15 amp

(F36) - 15 amp

Display (F37) - 10 amp

Steering ECM (F40) - 15 amp

Engine Compartment Light (R1) - Relay

Blade Floodlight (R2) - Relay

Blade Cushion (R3) - Relay

Dimmer (R5) - Relay

(R7) - Relay

Cab Floodlight (R8) - Relay

Forward Horn (R9) - Relay

Heated Mirror (R10) - Relay

Fuse Block "C"

Backup Alarm - 10 amp

Transmission ECM - 15 amp

Engine Compartment Light - 10 amp

Spare - 10 amp

Engine ECM - 20 amp

Diesel Exhaust Fluid - 20 amp

Spare - 20 amp

Steering ECM - 20 amp

Spare - 15 amp

Spare - 10 amp

Fuse Block "D"

Diesel Exhaust Fluid Heater - Relay

Backup Alarm - Relay

Diesel Exhaust Fluid - Relay

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