98 gmc jimmy

Harley06

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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

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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.
 
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