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14. BATTERY/CHARGING SYSTEM/
A.C. GENERATOR AGIKITY 125
Regulator/Rectifier
REGULATOR/RECTIFIER
MAIN HARNESS CIRCUIT INSPECTION
Remove the front covers. ( 2-2)
Remove the regulator/rectifier 4P coupler and
check for continuity between the wire harness
terminals according to the following :
Item (Wire Color) Judgment
Between battery (red) Battery has
and engine ground voltage
Between ground (green) Continuity exists
and engine ground
Between lighting wire
(yellow) and engine
ground (Remove the A.C. generator
resistor coupler and auto stator has
bystarter coupler and resistance
turn the lighting switch
OFF for inspection)
Between charging coil A.C. generator
(white) and engine stator has
ground resistance
Red Yellow
REGULATOR/RECTIFIER INSPECTION
If the main harness terminals are normal,
check the regulator/rectifier coupler for loose
connection and measure the resistances
between the regulator/rectifier terminals.
· Do not touch the tester probes with
your finger because human body has
resistance.
· Use the following specified testers for
accurate testing. Use of an improper
tester in an improper range may give
false readings. White Green
- Kowa Electric Tester
- Sanwa Electric Tester
- Kowa Electric Tester TH-5H Probe
White Yellow Red Green
· Proper range for testing:
Probe(-)
- Use XK range for Sanwa Tester White 3K-50K
- Use X100 range for Kowa Tester Yellow 5K-100K
· If the dry battery in the tester is weak, Red
the readings will be incorrect. In this
case, check the dry battery. Green 5K-50K
· The Kowa tester readings are 100
times the actual values. Be careful
during testing.
Replace the regulator/rectifier if the readings
are not within the specifications in the table.
14-5