WACKER Group LTC 4 - Engine Wiring-Lombardini 903

LTC Repair Maintenance
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4.15 Engine Wiring—Lombardini 903
Ref. Description Ref. Description Ref. Description
1 Fuel solenoid 7 Air filter restriction
indicator
(normal open type)
13 Harness connector
2 Glow plugs 8 Low fuel level switch (not
used, normal open type)
14 Diode
3 Starter motor 9 Low oil pressure switch
(normal closed type)
15 Resistors
(2x220 Ohm, 0.6 W)
4 Battery 10 Coolant high
temperature switch
(normal open type)
16 Blade connector
5 Alternator connector 11 Coolant temperature
thermistor (for preheat
relay)
17 Spade ground connector
(Not used. Provided for
possible replacement
fuel solenoid.)
6 Coolant temperature
sending unit (Not used.
Provided for remote
temperature gauge or LED.)
12 Alternator
5
1
17
2
3
4
5
6
7
8
9
10
11
12
14
13
16
B+
Pr
G
G
Or
Or
L
D+
W
12V/45A
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