TOHATSU 40 Service Manual page 291

SECTION 7
10. Start engine.
11. At idle and full throttle, if the meter indicates any voltage to
ground, replace alternator coils. See Charging System Repair
Procedures Alternator Coils.
If no voltage to ground is indicated, the test is complete.
12. Reconnect alternator terminals.
Rectifier/Regulator Tests
Make sure all electrical terminals are connected
during this test except those that are noted in the
test procedure.
Check for continuity between chassis ground and
the ground connection for the magneto plate, CD
Unit, and ignition coils before conducting the
following procedure.
Reference the following electrical drawings for the
rectifier/regula tor test.
- Figure 1 - models 40 / 50 / 60 / 70 / 80 / 90.
5
- Figure 2 - models 115 / 120 / 140.
6
The rectifier/regulator tests check whether the rectifier/regulator (1)
is shorted or open.
1. Disconnect the following terminals from all other
5 6
wiring:
Engine Models
40 / 50 / 60 / 70 / 80 / 90
115 / 120 / 140
7-112
NOTE
Disconnect Terminals
2 3 4
2 3 4 5
5
and
6
and
T1554
T1555
3-/ 4-Cylinder