Triumph Rocket 3 GT 2021 - Page 1343

1305
Test
Result
Action
4
Reconnect the harness and run the
engine. Check the charging voltage
at 2,000 rpm:
13.5 V – 15
V
Action complete - quit test
Fault still
present
Disconnect the
regulator/rectifier grey
connector and proceed to test
5
5
Check the alternator AC output
voltage at engine idle rpm by
probing the 3-pin stator connector
as follows:
- Positive (+) probe to pin 1
negative (-) probe to pin 2
- Positive (+) probe to pin 2
negative (-) probe to pin 3
- Positive (+) probe to pin 3
negative (-) probe to pin 1
15 V AC to
25 V AC
Test regulator/rectifier (see
Regulator/Rectifier)
Less than 15
V AC
Replace unit. Proceed to
pinpoint test 6
6
Reconnect the harness and run the
engine. Check the charging voltage
at 2,000 rpm:
13.5 v – V
Action complete - quit test
Fault still
present
Contact Triumph service
Circuit diagram
1. Battery
2. Starter solenoid main fuse
3. Alternator
4. Rectifier/Regulator
5. Battery subharness
connector