95 GMC Jimmy 4.6l engine xlt

What is the typical current draw for the vehicle off. I currently have a 7 amp current draw and after 3 days of sitting the battery goes dead, I have taking all the fuses out of the fuse box and disconnected the alternator and connected the 2 wires together that came off the alternator, everything is factory and the vehicle has over 150,000 miles the engine runs great, what can be drawing the battery down, I have replaced it with 2 new batteries and the alternator is working correctly
do you have any suggestions