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Offline BigGinger

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Damaged wiring on alternator
« on: 30 October, 2020, 10:07:42 PM »
So the alternator was pulled from the bike and replaced with a new one. The coils on the old one look fine. The wires towards the plug are charged and melted. Is it safe to assume there is a fault in the alternator itself which caused the issue or can the wires be cut back and new wires attached, and the alternator reused?


Thanks guys

Offline Art

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Re: Damaged wiring on alternator
« Reply #1 on: 31 October, 2020, 12:02:23 AM »
Since you were getting 13.5v from the charging system output and the stator output cables are burnt it may be a fault in the stator output cables or the connector. The only way to tell for sure is to test it. Test for continuity between the output cables and the stator hub and the resistance between each pair of cables. When checking the resistance take three readings A-B, A-C & B-C from the stator end of the yellow cables not the damaged connector end.

If there is no continuity and the resistance readings are equal and in the range 0.1Ω and 1.0Ω then the stator coils are good and just the output cables and connector need replacing.

If there is continuity between the output cables and the hub or the resistance is outside the specified range the stator coils need rewinding and the output cables and connector need replacing.

Offline BigGinger

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Re: Damaged wiring on alternator
« Reply #2 on: 31 October, 2020, 08:37:54 AM »
Thank you! Your help has been very much appreciated.

 


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