I'm new to this site and was hoping someone could steer me in the right direction. I have a 2007 MDX Nav, entertainment that I purchased new. About 2 years ago something started draining my battery to the point that it was dead. After much testing and looking on the internet I isolated it to the HFT module. I unplugged the module and the battery draining went away. Please note that during the investigation of the problem I noticed that while the HFT was plugged in, if the rear hatch was opened and closed the battery drain would go to the normal amount. I do have an after market auto start that has been on the car since new and FYI the HFT works fine when plugged in. I have checked all the fuses but not any relays. Can it be something else besides the HFT? I leave the HFT unplugged all the time unless we go on a trip and the kids want to watch a video. Sorry for the long story. Thanks
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