2002 Ford Mustang Convertible OEM Radio No add-ons If my car sits for a few days the battery goes dead. The battery charges fine and holds the charge. I have done a parasitic drain test that saw 3 issues.
Radio causes small drain to be expected. Dashboard cause a small drain not sure why? Alternator is the largest source of drain .15 amps.
Should an alternator cause any drain on a battery after it is turned off?
My car has 50000 miles.
My car has an automatic transmission.
Have a car question? Get free advice from our top-rated mechanics.
Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing