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Parasitic Draw

958 Views 4 Replies 2 Participants Last post by  demitch
Hi All,

My 2008 Kia Sedona LX appears to have parasitic draw, about 570mA. When I pull either the Instrument Panel Module under the hood, or Audio fuse or the Memory fuse at the drivers seat, the draw drops to <50mA. I'm not sure where to go from here. Are there common spots I should check for draw? Also, I am a little confused over why both the Audio and the Memory fuse cause draw to drop. Am I doing something wrong in my measuring?

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You're confused why the audio and memory fuse draws power when the van's off? I'm not sure if you're being serious or joking here...

The radio draws power when off to maintain the presets and other information for its memory as do other computer modules for certain functions, like locking/unlocking the doors with a key fob, or turning the parking lights on when headlight switch is operated. Vehicles with any sort of electronics have had parasites draws for decades...
Yes I know that the audio and memory draw power when the car is off -- but it shouldn't be drawing over 500mA. I simply was wondering why pulling both audio and memory caused the drain to drop to the same value of 50mA. I would have thought only one would be causing the excessive drain, which was the case when I remeasured later; only the memory was draining excessively. Not sure what happened the first time.

I was able to locate the excessive drain, it was coming from the instrument cluster, so all resolved now.
What was the drain and what was your solution?
The instrument cluster - had it repaired at an auto electric place. Put it back in, have acceptable draw now.
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