Graco 3A1705J important safety instructions Load Center, Related Component, Color

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

LED

D1

D2

D3

D4

D10

D12

D14

D23

Related

Component

Fuel Shutoff Solenoid (FS)

Starter (ST)

Glow Plugs (GL) Radiator Fan (RF)

A Coolant Valve

B Coolant Valve

Bypass Coolant

Valve

Manual Valve

Switch (MV)

Color

Green

Red

Green

Green

Red

Blue

Green

Red

ON-State

Description Fuel shutoff solenoid on the engine is open. Starter is cranking. Glow plugs are heating. Radiator fan is on.

A-side (red) coolant valve is open.

B-side (blue) coolant valve is open.

Bypass coolant valve is open. Manual valve switch is in the ON position.

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