Battery drain

2004 GMC Sierra 68644 miles
I have an intermittent battery drain. I have not been able to locate. I don’t drive the truck but once or twice weekly. Randomly I will attempt to start it and the battery will be dead. I have done parasitic draw test and it will pull as much as 2 milliamperes. I have pulled every fuse and unhooked the alternator and still have the drain. I am at a loss on where to look now. Any help would be appreciated.
Snappy from United States 3 years ago  
SN
7 reports 
Damon from United States 3 years ago
Mines doing the same thing
Space from United States 3 years ago
Do either of your trucks have a security system? Mine does and if u try to open a door when its locked the system throws a light. The light stays on and drains power until your disconnect the ground.
Mcfly from United States 2 years ago
Igual me paso en mi caso era sobre una mala conección o mal contacto en una junta de cable sobre el arnés del stereo
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