Parasitic Drain kills battery in 2 days - : The Original Mazda3 Forum : The Original Mazda3 Forum  

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Old September-10th-2018, 07:21 PM   #1  
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Parasitic Drain kills battery in 2 days

I have a 2007 mazda 3 hatchback that wont start if it sits for a few days. The battery is a few months old and autozone tested it and the alternator and both pass. If the car is driven daily it starts fine. I did a parasitic drain test and see 1.6A of draw with all doors shut/locked. I was able to trace the draw to the btn fuse and by removing it or unplugging connector J0-1 on the PJB the draw drops to near 0A. I pulled all the fuses in the PJB but the draw is still 1.6A. I removed the PJB to check for missing pins or corrosion and found that the J0-1 connector had a slight amount of greenish corrosion looking stuff in a few spots. I cleaned it as best I could but no change in draw. I checked all lights etc to ensure everything is off. Everything seems to work fine on the car.
Any ideas of how to narrow this down further?
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