Honda Magna VF750C, Service Manual

Page: 184 / 306

Disconnect the sta rter relay switch connector and remove
the main fuse (30 A).
Reconnect the connector onto the relay switch.
Connect the a m m eter between the fuse holder term inals
as shown.
Start the engine and i ncrease the engine speed g radually
and check that the voltage and a m pere are reg ulated .
CAUTION
•
Be careful not to short any tester probes.
•
Although the current could be measured when the
ammeter is connected between the battery positive
terminal and the positive cable, a sudden surge of
currant to the starter motor could damage the
ammeter.
•
Always turn the ignition switch OFF when conduct­
ing the test. Disconnecting the ammeter or wire
when currant is flowing may damage the ammeter.
NOTE
•
Before making this test, a l l the lights and the other
electrical eq u ipment should b� OFF.
•
Use fu l ly charged battery to make this test i n order
to get a correct measurement.
Regulated:
Battery terminals:
Charging current:
14 - 1 5.5 V/3,000 rpm
0 - 0.5 A/3,000 rpm
Regulator /Rectifier
System Inspection
Remove the seat ( page 2-2) .
Disconnect t h e reg u lator/rectifier connectors.
Check the connectors for loose or corroded term inal.
Measu re the following between con nector terminal of the
wi re harness side.
Item Terminals Specification
Battery charging Red/Wh ite (+) Battery voltage
l i n e
and G reen (-) should reg ister.
G round line G reen and ground Contin uity exist.
·
Charging coi l Yellow and Yellow 0. 1 - 1 .0
(}
line (20°C/68°F)
If the c h a rg i n g coi l l i n e rea d i ng is out of s pecificatio n ,
check t h e a lternator ( page 1 5-9).
Alternator
( 1 ) (+) PROBE: R E D/WHITE
( 1 ) REG U LATOR/RECTIFIER 4P CON N ECTOR
(WI RE HARN ESS SIDE)
( 1 ) REG U LATOR/RECTIFIER 3P CON NECTOR
(WIRE HARN ESS SIDE)
1 5-7