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Parasitic draw and the HMMWV

Gamble

Well-known member
416
368
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Location
Los Angeles, CA
It seems to me that these trucks are more susceptible to parasitic draw. Not sure if the issues stem from the smart start box, TCM, or an accessory but if these trucks aren't driven or started for a number of weeks it appears that the batteries will be weak. I now need to diagnose the problem.

Out comes the multi-meter but I am curious if most of you have the same experience. BTW, I have standard start Switch and minimal accessories running only on the hot start wire and not always on power wire. Again these accessories (rear view mirror camera) are on the opposite side of a 24 to 12v step down and fuse block.

I'll let you know what I find.

BTW any recommendation on a battery charger so I can keep these things topped off?
 
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