I'm chasing a key off power draw on a car that does not occur while I'm testing. ( 06 Chrysler PT Cruiser ) I can watch various modules drop off over a few minutes leaving me with a draw of 0.03 A.but that is too low to drain the battery. This is a long standing problem across the old and currently 1 year old battery when the car sits for more than a couple of weeks. .
I have a DC Amp clamp that will give a max / min but I want to see if there are any intermediate steps / duration as this may narrow things down to a specific module. RE I can currently watch modules drop off , calculate what each module draws then look at the phantom draw to hopefully determine what module wakes up first.
I've used HOBO stuff at the old job, the analog stand alone recorder is $ 210 but I'm not finding a suitable DC current sensor other than the HOBO one at $ 310
Four channel analog recorder
https://www.onsetcomp.com/products/data-loggers/ux120-006m
Thanks
