Parasitic current draw on tow vehicle
My 2002 Honda CRV seems to lose its battery charge if it sits for a couple of days. The battery has tested good at both NAPA and at Autozone. I tried testing for draw with my cheap VOM by undoing ...
Forum Discussion
SHRED wrote:
Is the allowable amp draw about 0.3 amps?
thanks
No. .3A is 300 Milliamps, that will drain any car battery in a matter of a couple of days.
Should be more like .01A (10 Milliamps) or less (.001A (1 Milliamp) and your vehicle should be able to sit for a month or two without being started or charged.
Most vehicles have a "power management" system which is supposed to go into a sleep mode after a period of inactivity which may need investigated. Check to make sure you have no USB chargers or anything plugged into the 12V power ports since those may or may not be managed by the power management system.
Make sure all lights like interior lights (including under hood and trunk if equipped) are turning off (sometimes interior lights get accidentally turned on via dash light control) or your door switches may not be working correctly.
