TOHATSU NB-1000 Service Manual page 261

2
3. The meter should indicate the following resistance:
Engine Models
40new
40
25C3 / 30A4
25C2 / 30A3
9.9D2 / 15D2 / 18E2
9.9D / 15D / 18E
8 / 9.8
5
4. lf the resistance is not within the indicated range, replace the
alternator coils. See Charging System Repair Procedures -
Alternator Coils.
If the resistance is within the indicated range, proceed to the next
step.
5. Connect one tester head to a clean engine ground
2 3
and connect the other tester lead to terminals (4) and
(6) (one terminal at a time) to check for any resistance to ground:
6. lf 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.
1-/ 2-Cylinder
ELECTRICAL SYSTEM
T1552
Results
Y-W : 0.65 - 0.98
Y-B : 0.31-0.47
W-B : 0.37-0.55
0.24 - 0.38 Ω
Y-W : 0.65 - 0.98
Y-B : 0.31-0.47
W-B : 0.37-0.55
0.24 - 0.36 Ω
Y-W : 0.65 - 0.98
Y-B : 0.31-0.47
W-B : 0.37-0.55
0.24 - 0.36 Ω
0.24 - 0.36 Ω
0.31 - 0.47 Ω
7-69