2006 Honda Odyssey Fuse/Electrical

Tiny
ROBERTNGUYEN
  • MEMBER
  • 2006 HONDA ODYSSEY
  • AUTOMATIC
My 06 Honda has an electrical draw somewhere and it is draining my battery every night or even a couple hours after being able to start it thus making me have to jump start my car 1-2 times a day. I suspect that the draw is coming from the power sliding doors. If I pull all the fuses connected to the power sliding doors, will there be no more current/electrical draw from that door and will that stop it from draining my battery if that where the electrical draw is?
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Wednesday, February 12th, 2014 AT 7:52 PM

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Tiny
CARADIODOC
  • EXPERT
To drain the battery in a couple of hours would have to be a pretty big draw. From your description it sounds more like you have a charging system problem. If I'm right, you can use a portable charger to fully charge the battery in two or three hours, at a slow rate, when you get home at night, and it will still be charged the next morning. If that works, suspect the generator. Start by measuring the battery voltage with the engine running. It must be between 13.75 and 14.75 volts. If it is low, that definitely is the problem. If it is okay, you need to have the second half of the test done with a professional load tester to measure full-load output current and "ripple" voltage. When a generator has one failed diode of the six, you will lose exactly two thirds of the generator's output capacity. 30 amps from the common 90 amp generator is not enough to run the entire electrical system under all conditions and keep the battery charged. The battery will have to make up the difference until it slowly runs down over hours or days.

Most battery warning lights and gauges respond to system voltage, and that will be okay at first when the generator has a bad diode. Many systems only turn the light on when there's no charge from the generator, not for low charge.
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Wednesday, February 12th, 2014 AT 8:28 PM

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