Triumph DAYTONA 675 Service Manual page 506

3 Check diodes forward bias:
- Negative (-) probe to Rectifier/regulator
connector pin 4 to:
Positive (+) probe to alternator connector
pin 1
Positive (+) probe to alternator connector
pin 2
Positive (+) probe to alternator connector
pin 3
3 Check diodes reverse bias:
- Positive (+) probe to Rectifier/regulator on meter
connector pin 4 to:
Negative (-) probe to alternator connector short circuit
pin 1
Negative (-) probe to alternator connector
pin 2
Negative (-) probe to alternator connector
pin 3
4 Check diodes reverse bias:
- Negative (-) probe to Rectifier/regulator
connector pin 1 to:
Positive (+) probe to alternator connector short circuit
pin 1
Positive (+) probe to alternator connector
pin 2
Positive (+) probe to alternator connector
pin 3
Reconnect the harness and run the engine.
5
Check the charging voltage at 2000 rpm:
Diode
Y
3
Alternator
2 Y
connector
1 Y
3^ ^2
Alternator connector
pin numbers
Service Manual - Daytona 675, Street Triple and Street Triple R
l! MP
0.4V to 0.7V Proceed to test 3
Open or short circuit Replace unit. Proceed to test 5
Open circuit or 'OL' Proceed to test 4
A voltage reading or Replace unit. Proceed to test 5
Open circuit or 'OL' Proceed to test 5
on meter
A voltage reading or Replace unit. Proceed to test 5
13.5V to 15V Action complete - quit test
Fault still present Test rectifier/regulator (see page 17-36)
If rectifier/regulator is serviceable,
Triumph service
Thyristor
Electrical
contact
R
Rectifier/regulator
R 3
connector
2
B
B
3 1
0
4
:2:]
o
Rectifier/regulator
pin numbers
1 7.39