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7783911 7783911 is offline
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Join Date: Mar 2015
Location: ontario canada
Posts: 2,274
Garage
Charging Issue or Not

I spent the afternoon chasing a parasitic drain on the battery since I had a dead battery, charged and it was dead again 2 days later. I disconnected the offending circuit and retest battery voltage and circuit draw..voltage 12.6 and 0.01 MA draw..ok, may have addressed that gremlin..will know in a day or two when I got to start again...if it fails then the battery has an issue holding the charge

BUT

While doing this I decided to test the charging and started the car to see what voltage was read

at 1000RPM 12.7
at 2500 14.4

this is without any additional draws like lights or radio...

it strikes me that the 14.4 should be consistent or am I assuming incorrectly?

thanks
Old 04-22-2015, 04:10 PM
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