How To Test Amp Draw On Car Battery. You will want a fully charged battery. Prepare for Test You should have a fully charged battery before starting voltage would be around 126V for a.
Ad Free 2-day Shipping On Millions of Items. Find the negative cable which will be marked with a minus sign - and may have a black cover over it. Bought a new battery and things were perfect for a week then another dead battery last night after work.
The amperage battery drain test requires disconnecting one of the battery cables.
If your car radio or alarm system needs a code to reactivate it after cutting battery power make sure you. Ad Our Research Has Helped Over 200 Million People To Find The Best Products. This might require that you move your test. After pulling each fuse observe the multimeter display to see if the amps drop.
