What on the IOD could cause battery drain?

Not sure how quickly your battery is draining, but my 2001 Ram 1500 had a .3 amp drain. I seldom drive my truck, so this drain would deplete the battery enough that it would not start in about a month. Pulling the IOD fuse eliminated the draw. Though process of elimination and a little time spent visually inspecting the parasites on the IOD circuit, I found my glove compartment door hinge developed enough slop so it was hanging down ever so slightly. We're talking less than 1/8 of an inch. This was enough to unseat the push-pin type switch that controls the glove box light. Nothing a little redneck engineering couldn't fix with a small sticky felt pad to take up the gap and apply more pressure to the switch. Hope your issue leads to his simple of a fix.

Circuits Effected By Ignition Off Draw (IOD) Fuse BR/BE: Cargo Lamp, CHMSL, Diagnostic Connector, Dome Lamp, Glove Box Lamp, Map Lamps, Power Mirrors, Radio, Under Hood Lamp.

I have a 2001 Dopdge diesel 5.9 L. I have took out the I O D fuss and left it out over night, and and put in the morning and I have still have same problum. Can you tell me hoe to fix the problum.