Yanmar 6LY3 series Service Manual page 284

ELECTRICAL AND ECU
Wire Harness Locations
See Figure 12-27 and Figure 12-28.
Harness (ENG): Harness assembly for engine
electric devices.
Harness (A): Alternator (Connection between
alternator B terminal and alternator fuse).
Harness (B): Air heater A / B (Connection between
heater relays A / B and heater fuses A / B).
Harness (C): Starter (Connection between starter
relay and starter S terminal).
Figure 12-27
1 – Harness (G) Heater Relay - Heater
2 – Water Temperature Sensor
3 – Harness (C) Starter Relay - Starter
4 – Starter
5 – Harness (E) Starter - Fuse
12-18
Harness (D): Starter / Air Heater (Connection
between starter relay, starter S terminal and heater
fuses A / B).
Harness (E): Starter / Alternator (Connection
between starter B terminal and alternator fuse).
Harness (F): Starter (Connection between starter
relay and starter S terminal fuse).
Harness (G): Air Heater (Connection between
heater relays A / B and heater A / B).
(1)
(10) (9)
Figure 12-27
© 2007 Yanmar Marine International
Fuse, Relay and Harness Components
(2)
(3)
(7)
(8)
6 – Harness (D) Starter - Fuse (250A)
7 – Harness (F) Fuse - Starter Relay
8 – Harness (B) Fuse (250A) - Heater Relay
9 – Harness (A) Alternator - Fuse (150A)
10 – Alternator
6LY3 Service Manual
(4)
(5)
(6)
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