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Component Identification
Load Center
F3
Radiator Fan Fuse
F4
Load Center Power Fuse
K1
Fuel Relay
K2
Starter Relay
K3
Glow Plug Relay
K4
Radiator Fan Relay
MV
Manual Valve Switch
30
Related
LED
Component
Fuel Shutoff
D1
Solenoid (FS)
D2
Starter (ST)
Glow Plugs
D3
(GL)
Radiator Fan
D4
(RF)
D10
A Coolant Valve Red
D12
B Coolant Valve Blue
Bypass Coolant
D14
Valve
Manual Valve
D23
Switch (MV)
ON-State
Color
Description
Fuel shutoff
Green
solenoid on the
engine is open.
Starter is
Red
cranking.
Glow plugs are
Green
heating.
Radiator fan is
Green
on.
A-side (red)
coolant valve is
open.
B-side (blue)
coolant valve is
open.
Bypass coolant
Green
valve is open.
Manual valve
switch is in the
Red
ON position.
332636C
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