niceprelude

Hi,please help.this is my third brand new battery in 5 month.i also had a brand new alternator in the last 5 month.my 1992 civic sedan keep draining the battery to empty and i have turn all lights off and door locked.please give ideals of why.thanks alot

Linked

grab yourself a multimeter, learn how to use the amperage function, and learn how to connect the multimeter amperage function to your car battery (youtube can tell you i believe)

once you have it all setup, pull fuses one by one

do every fuse or whenever the amperage on the multimeter reads less than 500mA

this lets you narrow down which part of your car has the drain

Former User

Parasitic drain and how to fix:

http://batterychargerstore.com/what-...tic-drain.html