Quote:
Originally Posted by john61ct
Cranking can be well over 400A as a transient.
Lead batteries' voltage will dip even when Full and healthy.
The degree to which the batteries are near Full 100% SoC, their Ah capacity and SoH%, the CAR of their chemistry, the actual Amps put out by the alt. All these factors combine to produce a "compromise" voltage on the charge circuit
A poor connection will cause just as much a problem as a bad battery.
Where is "the gauge" connected? Don't know, haven't pulled the dash
What are you using to measure at the battery terminals?
What is the highest voltage you see at the alt output after the batteries are Full, without other loads running?
Where did you get 16V?
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Don'kt know where gauge is hooked until I pull the engine cover.
Haven't accessed the atl. till I pull the cover.
16v showing on the gauge.
I can check the alternator tomorrow.