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LEGEND
F1 Circuit Breaker
FFP Fuel Feed Pump
G1 Alternator
G2 Battery
H1 Temperature Alarm Lamp
H2 General Alarm lamp
HTR Air inlet preheal
KO Starting Motor Solenoid relay
K1 Compressor Temp. Switch relay
K2 Run Condition relay
K3 Engine safety relay
K4 Start relay
K5 Glow plug relay
MO Starter Motor Solenoid
M1 Starter Motor
P1 Hour meter
P2 Fuel level gauge
S1 Contact switch (off-on-overide-start)
S2 Temperature switch - Engine
S3 Oil Pressure switch - Engine
S4 Preheat button & test lamp
S5 Temperature switch - Compressor
S6 Low fuel level switch (optional)
S7 Fuel level sender
Y1HC Fuel Solenoid hold coil
Y1PC Fuel Solenoid pull coil
V2 Diode