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> parasitic drain experts..., read this
post Feb 11, 2017 - 1:53 PM
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njccmd2002



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i have been busting my back trying to find a parasitic drain. i think i found what drains my battery.

i have 2 options. the aftermarket pioneer radio or the aftermarket alarm. funny.

anyone has had an aftermarket radio do this. its a pioneer.

i have both disconnected and seems too be no more drain. of course i have to see which one is the culprit....


stay tuned


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een a good run...
Learned a lot in 10 years...
post Feb 11, 2017 - 2:42 PM
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If you have a good multimeter you can measure the amperage via it's fuse to see how much power the item itself is drawing, a good number for total parasitic draw is about 50ma on a car with a bunch of stuff like you have, it's probably the alarm though, especially if it's a fancier one. My 00 Celica has a steady 30ma draw when sitting off, it's got a factory alarm with features comparable to aftermarket alarms (intrusion, glass break sensor, keyless entry). The radio will have some key off draw to keep settings alive, but if it's got a high draw it could be the bluetooth module inside not going to sleep. I've seen that happen with Honda factory sound systems.


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post Feb 11, 2017 - 2:48 PM
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njccmd2002



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the alarm is factory. which is odd.. the radio, is new, but you may be right...


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een a good run...
Learned a lot in 10 years...
post Feb 11, 2017 - 4:06 PM
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very odd, I'd put the money on the aftermarket stuff any day over OEM stuff but weird things happen. How high isn the total draw?


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post Feb 17, 2017 - 7:54 PM
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njccmd2002



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not sure if the alarm was the full problem, i also had to replace batery under warranty. so we will have to see.


--------------------
een a good run...
Learned a lot in 10 years...
post Feb 18, 2017 - 10:17 PM
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brk34

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I had a parasitic drain issue caused by the factory alarm. Clamp on dc current meters are fairly cheap now and would be a good way to check current.

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