I have 120,000 miles on my original alternator, four year old battery. Check up is as follows:
Ignition off, been in garage for a week. 12.62 volts on battery reading.
Engine running at 1000 rpm, driving lights off. 14.2 volts.
Engine running at 2000 rpm, driving lights on. 14.1 volts.
Does anyone think I need to do anything other than carry my spare alternator when I take a trip? I usually just put it in my saddle bag. I'm going to Arkansas for a few days in September. Hoser