Draining overnight or while you're driving? Do you have a digital voltmeter? If so, measure the battery voltage while the engine is running.
SPONSORED LINKS
Was this
answer
helpful?
Yes
No
+1
Tuesday, April 26th, 2011 AT 1:13 AM
CARADIODOC
MECHANIC
33,871 POSTS
Oops. Forgot to mention that it should be between 13.75 and 14.75 volts. If it's lower, suspect the generator but we'll need to take some voltage readings first.