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I am replacing an old GM alternator, on a boat, with a Valeo 12v 60A (A13N110) It has a B+ and a B- terminal, the B- is common with the body of the alternator. In addition there is are spade terminals. Marked L and +. The old alternator only had one wire from the ignition warning light. Can this go to the spade + to exite the windings? How is it normaly connected? The new Valeo alternator was orriginaly (I believe) fitted to a Renault 5

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The following is how this type of alternator should be connectrd.
1. B+ to the main battery supply
2. B- to the earth of the motor.
3. L to the light terminal wire which was the exsiting wire fitted to the old alternator for the warning light.
4. + to an ignition feed wire which should only be feed when you turn the ignition on, but should have voltage while engine is running.

That should have you up an running.

If you need further help let me know.


Posted on Jun 07, 2010


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