While I'm waiting for the meter, thought I'd check alternator since I now think the ELD is working
2000 revs, 14.4v
A/C on, dipped to 14.2.v then came back to 14.4v within 5 seconds. Same with the headlights.
Since I have seen the system drop indicated voltage to 12.6 - 12.8 while driving, it...