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Old 01-26-2017, 05:30 PM   #22
36tudordeluxe
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Join Date: Feb 2012
Location: Las Vegas, NV
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Default Re: Electrical drain, battery won't maintain charge?

Quote:
Originally Posted by Old Henry View Post
Don't know if this would apply to your modified '36 but on my '47 I always get a little spark hooking up the battery because the electric self winding clock has unwound and the contacts are closed to energize the electro-magnet to rewind it. When I hook up the battery a split second connection that immediately opens shows as a spark. Could be as simple as that.

As others have said, you really need to check the magnitude of what you are thinking is a continuous drain with a meter. May be just something like the clock or a condenser charging that makes the spark but is not really draining. Even just a test light between the disconnected battery clamp and the post would show that without a meter. If it just flashes on then off - no drain. If it stays on bright - it's a definite drain.

If you're not sure about your battery, wouldn't hurt to have it checked. They do wear out.
Professor, BTW enjoy your travel logs, hooking up test light from pos.post to pos. cable produces no light at all. I do have a quartz conversion clock, but this condition existed before I got the clock; I have an electronic ignition, no condenser.
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