Wiring Diagram; Standard Output Characteristics - Yanmar 3JH4E Service Manual

12. Electrical system

12.5.3 Wiring diagram

Rotor
coil
Stator coil
Alternator
[NOTICE]
1) Don't do mis-connecting and short-circuit of each terminal.
2) Don't remove a battery terminal and a B terminal when rotating.
3) Shut out a battery switch during the alternator stop.

12.5.4 Standard output characteristics

The standard output characteristics of this alternator are shown as the below figure.
Diode
Sub-
Diode
100
80
60
40
20
0
0 2 4
Alternator speed (min
310
P
BAT
R
L
Charge lamp
12V3.4W
R
L
F
E
IC regulator
E
13.5V constant
3
6 8 10 x 10
-1 )
011072-00E
Key
switch
Battery
switch
Battery
011071-00E