994K Wheel Loader Caterpillar


Fuses - Replace

Usage:

994K MM9


Illustration 1g02646832
(A) Upper fuse block
(B) Lower fuse block

The fuses are located within two fuse boxes located inside the cab door on the right side of the machine.

Fuses

Fuses - Fuses protect the electrical system from damage that is caused by overloaded electrical circuits. Replace a fuse if the element separates. If the fuse of a particular electrical system requires frequent replacement, check the electrical circuit. Repair the electrical circuit, if necessary.


NOTICE

Always replace fuses with the same type and capacity fuse that was removed. Otherwise, electrical damage could result.



NOTICE

If it is necessary to replace fuses frequently, an electrical problem may exist.

Contact your Cat dealer.


Upper Fuse Block



Illustration 2g03831846

(1) Beacon/Heated Mirror - 15 Amp fuse

(2) Ind Mod/Info Mod/Keypad - 10 Amp fuse

(3) Spare - 20 Amp fuse

(4) Front HID Floods - 15 Amp fuse

(5) Front/Rear Wipers - 15 Amp fuse

(6) Left-hand/Right-hand Wipers - 15 Amp fuse

(7) Implement ECM - 10 Amp fuse

(8) Backup Alarm - 10 Amp fuse

(9) Fuel Level Sender - 10 Amp fuse

(10) Rear Vision/Detect - 10 Amp fuse

(11) Seat - 10 Amp fuse

(12) Rear Worklights - 10 Amp fuse

(13) Rear ROPS Worklights - 10 Amp fuse

(14) HID Floods - 10 Amp fuse

(15) 12V Accessories - 10 Amp fuse

(16) Heated Mirror 2 - 15 Amp fuse

(17) Water Valve - 10 Amp fuse

(18) ORS Indicator - 10 Amp fuse

(19) Precleaner - 15 Amp fuse

(20) Autolube - 10 Amp fuse

(21) Service Connector - 10 Amp fuse

(22) 12V Converter - 15 Amp fuse

(23) Hood/Service Center Lights - 10 Amp fuse

(24) Front Worklights - 15 Amp fuse

(25) Machine Service Lamps - 15 Amp fuse

(26) 12V Converter (ATCH) - 15 Amp fuse

(27) Front Bucket/ROPS Lights - 15 Amp fuse

(28) XMSN ECM - 15 Amp fuse

(29) VIMS/PL Radio/Network Manager - 10 Amp fuse

(30) Spare - 10 Amp fuse

(31) Horn/Dome Light Breaker - 15 Amp breaker

(32) Keyswitch Breaker - 15 Amp breaker

(33) VIMS Lamp - Diode

(34) Backlighting - Diode

(35) Backlighting - Diode

(36) Backlighting - Diode

(37) Backlighting - Diode

(38) Fuel Priming - Diode

(39) Feature Alarm - 2k Ohm Resistor

(40) HVAC - 0.2k Ohm Resistor

Lower Fuse Block



Illustration 3g03831852

(1) Blower - 20 Amp fuse

(2) Implement ECM - 15 Amp fuse

(3) Spare - 10 Amp fuse

(4) Rear Vision/Detect - 10 Amp fuse

(5) Keypad - 10 Amp fuse

(6) Navigator/Minestar - 10 Amp fuse

(7) Ind Mod/Info Mod - 10 Amp fuse

(8) Messenger - 10 Amp fuse

(9) Aftertreament ECM - 10 Amp fuse

(10) Fuel Priming - 10 Amp fuse

Relays

Upper Fuse Block



Illustration 4g02647160

(41) Backlight - Relay

(42) Backup Alarm - Relay

(43) Front HID Lights - Relay

(44) Heated Mirrors - Relay

(45) Front Floods - Relay

(46) Prelube - Relay

(47) Spare - Relay

(48) Starter Lockout - Relay

(49) VIMS Lamp - Relay

(50) Heated Mirrors - Relay

Lower Fuse Block



Illustration 5g03831854

(11) Fuel Priming - Relay

(12) Engine Shutdown - Relay

(13) Front Flood Lights - Relay

Horn Relays



Illustration 6g03832072
Horn Relay Locations

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