[Roadsters] Charging question

[James Fogg]

Correct, this is wrong.

At a bit above idle the voltage at the battery should be at or near 13.8
volts. Systems using older regulators will see a steady high/low
fluctuation as the regulator switches field relays back and forth.
Electronic regulators should be steady until the engine speed drops to
idle.

BTW - even inexpensive digital multimeters are pretty accurate. A
mechanical voltmeter may not be trustworthy. Dashboard gauge voltmeters
are rarely accurate.

> I installed a GM alternator on my 1600 (with help) last year and had no
> problems until last week. I had a 30 amp inline fuse blow which caused my
> battery to drain before I found the burnt fuse. I replaced the fuse and
> charged the battery. I then checked the voltage output at the alternator
> and
> at idle I'm showing 12.1 volts. With the lights on I'm showing 11.8 volts.
> This sure doesn't seem right to me. I've always thought that the
> alternator
> would provide at least 12.0 volts even with all electrical devises in the
> ON
> position. Thoughts please.
>
>
>
> Thanks
>
>
>
> Steve Harvey
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-- 
James -