How To Check A Battery For A Draw. Car Battery Drain Test. Dont pay a mechanic.
Connect the red wire to the 10A20A input port on your multimeter. Under the hood of some cars there is a light that illuminates when you open the hood. 2003 F350 Lariat 60L MTW stage 1 4 MBRP IPR coolant filter 05 front cover.
And start pulling relays and fuses until the light goes out.
Pop the hood and locate your vehicles battery. To test your car battery for parasitic drains you will want to make sure you have safety eye glasses gloves and a digital multimeter. Electric devices like timed and dimming dome lights can stay awake and produce excessive drain on the battery for up to 10 minutes. Leave battery terminals connected to the battery.
