168 Engine Specification Manual, TPD1522 Issue 2, April 2008
1100 Series, 4 cylinder engines
Electrical
Fuel lift pump
relay
Start aid relay
Fuel lift pump
Standard electric fuel lift
pump with supply from Aux (2)
terminal on ignition switch
Glowplugs
Fuel injection pump
Cold start
advance Cold start
temperature switch
Electric shut-off switch
energise to run
30
50
Starter motor
GStarter relay
B+
D+
W
Resistors optional
100
:
(12v)
12v 2.2W Ignition
warning light
Alternator
G+
+-
-
W
Warning light Warning light
Water temperature
switch
(make on increase of water temperature)
Oil pressure
switch
(break on increase of oil pressure)
Water temperature
sender
Tachometer Water temperature
gauge
Ignition
switch
C
Fuse
Fuse
Fuse
Battery
A
B
Terminal Off Aux Heat Heat / start
Supply
Aux
Start
W/Light
Heat
1
2
3
4
5
A
B
Typical Lucas 128SA ignition switch
Glowplug busbar connector
Deutsch DTHD series
-
+
Instrument light
switch
current rating depends on
auxiliary load
12v system - 50A slow burn fuse
Glow plug fuse rating
Circuit diagram
Starter motors
Note: Resistance of battery cables A, B, and C not to exceed 0.0017 ohm.
Alternators
Model Voltage Solenoid current Max Volt drop in
solenoid circuit
Max pull-in amps Max hold-in amps
P95 12 60 15 0.5
Model Rating Min. cable size for
rating Max circuit Volt drop
A115i
14V 65A 8,50 mm²
0.5V
14V 75A 16,00 mm²
14V 85A 16,00 mm²
A127iR 14V 100A 25,00 mm²
14V 120A 25,00 mm²
