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I just got the Range AFM disabler for my 2013 5.3 4X4 with 125 K on the clock.

It is mostly a weekend toy that is seldom used during the week.


I was surprised to see an important note telling me that I should not leave the Range installed if I don’t drive it daily because there may be a draw on the battery in some vehicles.


Is there way (other than seeing if the battery dies) to find out if I need to remove the Range from my truck during the days it isn’t being used?




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