Quote:
Originally Posted by Drcoffee
No. I am talking about the thin wires that plug into the alternator. Not the main power cable.
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Gotcha, thanks.
As it turns out I was taking an invalid measurement of my alternator's idle voltage. I just finished installing my auxiliary battery's wiring and the truck had been running for more than 5 minutes. The solenoid had clicked on. The 13.3V charging voltage I saw on the primary battery was while the alternator was charging both batteries, not just the primary. When charging just the primary my voltage reaches 13.9V during idle, which I find acceptable.
