TOHATSU 40 Service Manual page 290

6. If the meter indicates any resistance to ground, replace the
alternator coils. See Charging System Repair Procedures -
Alternator Coils.
If the meter does not indicate any resistance to ground, proceed to
the next step.
7. Set the analog multimeter to "40" on the "ACV" scale.
8. Insert the banana plug of the RED tester lead into the meter
connection labeled "+VΩ" and the banana plug of the BLACK
tester lead into the meter connection labeled "-COM".
9. Connect the BLACK tester lead to a clean engine
3 4
ground and the RED tester lead to following terminals
(one terminal at a time) to check for any voltage to ground:
Engine Models
40 / 50 / 60 / 70 / 80 / 90
115 / 120 / 140
3-/ 4-Cylinder
ELECTRICAL SYSTEM
Connect Multimeter
Between These Terminals
4
• Terminal
6
• Terminal
4
• Terminal
6
• Terminal
8
• Terminal
T1553
7-111