dantappin Posted May 5, 2019 Share Posted May 5, 2019 I have a 2014 IS250. I bought a Blackvue dashcam and I added a Power Magic Pro battery cut-off to stop draining the battery in parking mode (recording while parked). I replaced a Lukas model which I thought was defective because I was having my battery drain after only 24hrs of the car sitting idle. I installed the new PMP and the problem remained. If I unplug the dashcam I can park long term and no battery issues. I am fine if I drive each day but if I leave it on and not drive the next day it will be a rough start (almost not starting) or the battery is dead completely. It's a newer battery and again when the dashcam is disabled no battery issues at all. I have the dashcam hooked up as per the attached photos. I took a volt meter and confirmed which fuses were dead or live with the car off. Regardless if I have the accessory wire wrong the PMP and the old Lukas version should have killed the power to the dashcam. I have tried other fuses but no matter which I use I end up with a dead battery. I have the exact same system in my Dodge Caravan - no issues from day one. So I am either missing something obvious or there is a Lexus specific issue here. Open to any ideas or suggestions. Thanks, Dan Quote Link to comment Share on other sites More sharing options...
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