98 gmc jimmy

[Harley06]

I have a 98 gmc jimmy and Im have a problem with the battery draining every 3 days , Alt is good battey is new and I had some one look at it and there thinking the bcm is bad on it , Do you know if this is a problem or has been with these jimmys

 

[blueknight1979]

I have a 98 gmc jimmy and Im have a problem with the battery draining every 3 days , Alt is good battey is new and I had some one look at it and there thinking the bcm is bad on it , Do you know if this is a problem or has been with these jimmys

Don't know if you got it worked out or not but, it sounds like you a have parasitic draw.Look on youtube on how to check.