The car should only be pulling 40-60 mAh when everything is off; if it is pulling more, you have a parasitic drain.
Your alternator should run in the low to mid 14 volt range at an idle, your sounds like the voltage regulator is on the way out. It is a replaceable part, about $40-50.
__________________
“Anything really new is invented only in one’s youth. Later, one becomes more experienced, more famous – and more stupid.” - Albert Einstein
|