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b18c5 2000 civic hatchback - parasitic battery drain

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Old 10-11-2015, 07:51 PM
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Default b18c5 2000 civic hatchback - parasitic battery drain

I am having a parasitic battery drain of a 0.23 ma and i cant seem to figure it out i already did the fuse pull and i pull the ignition fuse and it drops to 0.01 and changed out the wiring for that and even then still didnt do anything i need help
Old 10-11-2015, 08:20 PM
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Default re: b18c5 2000 civic hatchback - parasitic battery drain

If pulling the fuse fixed the drain, and replacing the wiring for your ignition didn't solve the problem, then wouldn't logic dictate that the drain is somewhere in your ignition switch? Seems like a pretty logical next step to me.
Old 10-11-2015, 08:28 PM
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Default re: b18c5 2000 civic hatchback - parasitic battery drain

0.23 mA draw is exceptionally low. Don't be concerned.
Old 10-11-2015, 10:12 PM
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Ok so unplugged my auto start and the draw dropped to 0.03 and when the car is running it is at 12.36 and when the lights are on its at 11.80 and drops slowly what could that be?
Old 10-12-2015, 05:07 AM
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Default re: b18c5 2000 civic hatchback - parasitic battery drain

Why worry?
Old 10-12-2015, 02:56 PM
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When i drive the battery light comes on then dissappears when i push in the clutch but then after 5 mins of driving the light is gone but then i start it again and it comes on
Old 10-12-2015, 03:05 PM
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Default re: b18c5 2000 civic hatchback - parasitic battery drain

Originally Posted by Chris Juarez
Ok so unplugged my auto start and the draw dropped to 0.03 and when the car is running it is at 12.36 and when the lights are on its at 11.80 and drops slowly what could that be?
Dude you have two separate issues, although your first one on the original post isn't really a problem.

A parasitic draw of anything less than 30ma should be considered normal on these Hondas. So that's that, its fine.

Now your other post with the operating voltage at/under 12.6v while the engine is running is a simple example of a bad alternator.

I would suggest testing your alternator output(seems like you already did) and replacing it with a good known brand. (Denso)

How old is the battery?
Old 10-12-2015, 03:07 PM
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Battery is about a month old and can it be my alternator connection?
Old 10-12-2015, 03:38 PM
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Default re: b18c5 2000 civic hatchback - parasitic battery drain

Originally Posted by Chris Juarez
When i drive the battery light comes on then dissappears when i push in the clutch but then after 5 mins of driving the light is gone but then i start it again and it comes on
This^ suggests an alternator issue. Nothing you've posted indicates a parasitic drain.
Old 10-12-2015, 04:23 PM
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Could it be a connection issue to the alternator though too?
Old 10-12-2015, 04:51 PM
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Default re: b18c5 2000 civic hatchback - parasitic battery drain

Originally Posted by Chris Juarez
Could it be a connection issue to the alternator though too?
Yes it can. You can ohm or voltage drop the wires for the alternator. But more than likely you need one. How old is the alternator?
Old 10-12-2015, 05:09 PM
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About a couple weeks old its not a reman its a factory new alt
Old 10-12-2015, 05:10 PM
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And could i clean the connection and how
Old 10-12-2015, 05:44 PM
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Default re: b18c5 2000 civic hatchback - parasitic battery drain

So you have a new battery and alternator, and are still getting a battery light and your running voltage is less than 12.6volts?

Hmmmmm...

Can you post a pic of the connections at the alternator? Who installed it?
Old 10-12-2015, 05:57 PM
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Default re: b18c5 2000 civic hatchback - parasitic battery drain

http://troubleshootmyvehicle.com/hon...e-alternator-1
Old 10-12-2015, 10:17 PM
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Did the test alternator is good im replacing my ground wire it was looking like it was time for a change
Old 10-15-2015, 08:21 PM
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Default 2000 honda civic hatchback b18c5

So turned my car on after installing a new belt and alternator and it squeels anyone know how and also if my belt is loose would that cause my alternator to not charge my battery?
Old 10-15-2015, 08:37 PM
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Default Re: b18c5 2000 civic hatchback - parasitic battery drain

Tighten the belt.
Old 10-15-2015, 09:20 PM
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Default Re: b18c5 2000 civic hatchback - parasitic battery drain

:facepalm:
Old 10-15-2015, 09:22 PM
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Would you happen to know the size of the belt i need for a b18c5 engine
Old 10-15-2015, 10:22 PM
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Default Re: b18c5 2000 civic hatchback - parasitic battery drain

Are you really that lazy? I'll give you a hint: It would use the belt out of a the same car your engine came out of originally. At least put in a modicum of effort.
Old 10-16-2015, 05:30 AM
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I have i looked online and it said i need a 36.14 but i have a 31 5/8 and its still big
Old 10-16-2015, 06:07 AM
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Default Re: b18c5 2000 civic hatchback - parasitic battery drain

I'd just order an oem replacement, not an oem-style replacement. Meaning a parts store.
Old 10-16-2015, 09:15 AM
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Default Re: b18c5 2000 civic hatchback - parasitic battery drain

31110-P73-A01

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