Lugwrench
Member
- First Name
- Dennis
- Joined
- Mar 21, 2021
- Threads
- 2
- Messages
- 11
- Reaction score
- 36
- Location
- Sierra Nevada
- Vehicle(s)
- 2012 JK 2-door Rubicon, modified
- Thread starter
- #1
I got a message from Mopar that my charging system was acting up and I should see my dealer. I'm away from home, so I just starting monitoring my voltmeter--something few owners are likely to do. Here is what I am seeing: down long hills, or in general when you have engine braking, the voltage is high--14.6 or 14.7. Other times the voltage is lower, and particularly when under load climbing, it drops to 12.6-13.0. No load on the level, it is somewhere in the 13 volt range.
I don't understand why the voltage decreases under load and peaks under engine braking. If anyone else has ever monitored their voltmeter (and I can imagine no has!), have you seen performance like this? Can you explain it? Do I have a problem?
I don't understand why the voltage decreases under load and peaks under engine braking. If anyone else has ever monitored their voltmeter (and I can imagine no has!), have you seen performance like this? Can you explain it? Do I have a problem?
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