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Senior Member
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Join Date: Jan 2012
Location: Bel Air, Maryland
Posts: 1,093
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Senior Member
Join Date: Jan 2012
Location: Bel Air, Maryland
Posts: 1,093
|
Will A Bluetooth OBDII Sensor Drain Battery?
I recently just got a cheap bluetooth OBDII adapter for my 4runner. It has no batteries and no external power connection, so I know it is drawing power directly from the OBDII port on my truck. There are some lights on the front of the adapter that stay illuminated even when the car is off.
I would like to leave the adapter plugged in 24/7 and just connect to it when I get in my car, but if this is staying lit up even when the car is off, it is obviously still drawing power...will this be enough to kill my battery in a short amount of time? If so I am going to have to look for one with an external power supply that I can regulate.
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