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Acura MDX 07 - Battery draining fast


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anoble1 
Member - Posts: 15
Member spacespace
Joined: September 25, 2010
Location: Alabama, United States
Posted: January 04, 2017 at 9:26 AM / IP Logged Link to Post Post Reply Quote anoble1
Anyone know how I can test to see what is draining the battery overnight? I heard of a Parasitic test. If I bought a Klein 69149 as seen below. How do I work it to measure? Sorry guys I don't have much experience with a meter of any sort.
I assume I move the red lead to Amps and change meter to the 2?
Klein 69149
i am an idiot 
Platinum - Posts: 13,666
Platinum spaceThis member consistently provides reliable informationspace
Joined: September 21, 2006
Location: Louisiana, United States
Posted: January 04, 2017 at 10:15 AM / IP Logged Link to Post Post Reply Quote i am an idiot
Take a picture of the fusebox, remove half of the fuses. See what happens. If still draining, put those fuses back in and remove the other half. Once you figure out which half of it is drawing it down, put half of them back in. This may take you a few days to figure it out, but will not have to purchase anything.
If you buy the meter, you need to put the red lead into the 10a hole. Black lead into the common hole. Put the meter to the 10a selection. While doing the following, do not turn on the key or the headlights. There is a fuse in that meter and if you try to pull more than 10 amps through the meter you will blow that fuse. Remove the negative cable from your battery. Connect the black lead to the negative terminal of the battery. Connect the red lead of the meter to the cable that you removed from the negative terminal.   Turn the domelight off so it will be drawing no current when the door opens. Notice the reading on the meter. Remove 1 fuse at a time and check the meter. See which fuse makes it drop considerably, see what all is connected to that fuse.

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