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CS144 Alternator is not charging battery

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7 hours ago, seattlejester said:

Congrats on getting it running.


It shouldn't be reading all the time. There should be three wires, a power, a ground, and a read. From the characteristics it looks like you have the read and power wire switched. The read wire can have constant power as it only serves to differentiate from the charge to the ground. The power wire should be on the ignition so that it is off when you pull the key.

Actually Tamo3 has the voltage meter configured the way Datsun did it - hot at all times.  It certainly wouldn't hurt anything to rewire it as seattlejester suggests, but it doesn't draw very much current.


Tamo3 - great job!  Glad you stuck with it and got to the bottom of the issue.

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