Quote:
Originally Posted by JimSmith
What were the voltage readings?
In general it seems you have a weak battery and it is either dry inside or just worn out. Is it a sealed for life battery?
In any case the loss of 20% of the terminal voltage with no load just sitting is not a good sign. Did it see a very large temperature change from "charged" to "next morning" measurement?
A good shop will do the same test and also see how the battery responds to being loaded. Yours sounds like it will fail that test.
Jim
|
There was not a large temp. change between the "charged" and "next morning" measurements (maybe 10-15F at most).
It is a "zero-maintenance" sealed-for-life battery.
The voltage reading when it was charged was 12.8-12.9. The voltage reading in the morning was 12.1.-12.3. When the car is running at idle the voltage reads 13.9-14 (indicating a working charging system).
Yes I think a load test is in order.