Originally Posted by
xfClifford
I’ve had a wireless OBD tool plugged into my port since November. No issues.
Ok good to know, thanks! Plus that's reassuring.
Can I ask what setup you have, where you utilise your OBD data?
Originally Posted by
Deepsea21
My experience from leaving a wireless OBD plugged in (by mistake) was a significant battery drain. I searched and searched for the parasite pulling fuses and watching my multimeter and finally narrowed it down and found I left that dang wireless OBD plugged in. If you drive the car regularly probably not much of a problem but when mine was plugged in the parasite increased my draw from the battery 2-3x the norm sitting and shut down.
This is an interesting point. So do we assume the OBD Port is a permanent live connection? Not switched live with the ignition - never goes to sleep. Will have to monitor battery voltage quite carefully, initially. Incase there is a significant battery drain.
Sounds like you did a great job identifying the source of your parasitic drain, in the end, with the multimeter!
I've attempted something similar on our family vahicle, without much success. It too has what appears to be a significant battery drain (worse in the winter). The vehicle wont start if left for a week! I should check I didnt leave one of my OBD adaptors plugged into it! Might be onto something with that!