KYMCO ZING 150 - Page 23

1. GENERAL INFORMATION
1-21
POOR CHARGING (BATTERY OVER DISCHARGING OR OVERCHARGING)
Undercharging
Dead battery
Faulty battery
Faulty coil
Broken pink and yellow wires
Shorted pink and yellow wires
Broken red wire
Faulty regulator/rectifier
Poorly connected coupler
Faulty A.C. generator
Overcharging
Broken black wire
Poorly connected coupler
Faulty regulator/rectifier
Start engine and test
limit voltage between
battery terminals
Connect battery (+) wire
to regulator/rectifier
coupler red wire and
battery (-) wire to engine
ground and test voltage
Inspection/Adjustment
Inspection/Adjustment
Symptom
Symptom
Probable Cause
Probable Cause
Normal voltage
B
attery
h
as vo
l
tage
with ignition switch
“ON”
Normal
Voltage does no
t
increase
B
attery
h
as no
voltage with ignition
switch “ON”
Resistance too high
Normal voltage
No voltage
Measure resistance
between AC generator
coil terminals
Normal
Abnormal
Check regulator/rectifier
coupler for loose
connection
Normal
Abnormal
Connect battery (+) wire
to regulator/rectifier
coupler black wire and
battery (-) wire to engine
ground and test voltage
Check regulator/rectifier
coupler for loose
connection