Re: Battery Drain | <– Date –> <– Thread –> |
From: Doug & Terri (dntdock.net) | |
Date: Fri, 15 Jun 2018 15:41:42 -0700 (PDT) |
CTEK is good - or Battery Tender. If using Battery Tender remember to hook up battery to the Tender THEN plug in to wall socket. DOUG -----Original Message----- From: Ferrari [mailto:ferrari-bounces+dnt=dock.net [at] ferrarilist.com] On Behalf Of Larry Bard Sent: Friday, June 15, 2018 3:06 PM To: DOUG <dnt [at] dock.net> Cc: The FerrariList <ferrari [at] ferrarilist.com> Subject: [Ferrari] Battery Drain What's wrong with keeping it on a trickle charger? I use a CTEK each winter on my 512TR. ________________________________ From: Ferrari <ferrari-bounces+larrybard=hotmail.com [at] ferrarilist.com> on behalf of Doug & Terri <dnt [at] dock.net> Sent: Friday, June 15, 2018 2:37 PM Martin notes "Hard to believe that the clock and radio alone can drain the battery so quickly." Its not just the clock and the radio anymore. While the following may not be a participant to your battery drain a Ford tech friend (working out of a SoCal dealership) of mine was faced with a Bronco, a brand new one, that ate a battery in three days. Whaaa? Ayep. Traced this, traced that, replaced batteries - to no avail. He finally got an answer from their US wide data base out of Minnesota. The problem? It was the anti-lock braking system (ABS). Huh? Ayep yet again. Bad ground. Whaaa yet again? Seems that when the vehicle was parked and shut off the computer picked up a "locked" RF wheel. It continually tried to unlock it and allow it to roll before sensing another phony "lock up" problem. That gobbled electrons like crazy - poooof no battery in three days. SO - while your TR may not have an electronic ABS there may be a creepy parasitic drain that is nearly untraceable. Thing to do is disconnect the battery ground at the post, disconnect the. Clock and radio (via fuses if possible) and at night - to insure it's real dark just touch the ground terminal with battery clamp. Even a tiny tiny spark suggests a parasitic drain somewhere. If that occurs find someone to trace components using the "voltage drop" test. DON'T just use an ohm meter. An ohm meter will give you bad "good results" if just one tiny strand of wire is still in the circuit. That is it would report that a starter main wire is "good" if only one strand of wire remains between the battery and starter in an otherwise bad current conducting wire. This most likely isn't your problem as your starter seems to jump to life with a well charged battery. The other trick to do is just do as you have - use the switch. Whatever is eating your battery may make no never mind as you enjoy your car. Be glad your TR isn't OBDII - that system has more computers than a Saturn V and no car sold in the USofA from model year 1996 forward is without it. It pertains to emissions. Onward and good luck DOUG -----Original Message----- From: Ferrari [mailto:ferrari-bounces+dnt=dock.net [at] ferrarilist.com] On Behalf Of Martin Stark Sent: Friday, June 15, 2018 10:11 AM To: DOUG <dnt [at] dock.net> I should add that's there's no Ferrari content in my question. So to include a little I can report that upon my return from points south my '87 TR fired right up after sitting all winter. That's been the case since I began turning off the battery switch whenever the car going to be sitting idle for more than a couple of weeks. Hard to believe that the clock and radio alone can drain the battery so quick
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Out of state purchase Martin Stark, June 15 2018
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Re: Out of state purchase Martin Stark, June 15 2018
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Re: Out of state purchase Doug & Terri, June 15 2018
- Battery Drain Larry Bard, June 15 2018
- Re: Battery Drain Doug & Terri, June 15 2018
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Re: Out of state purchase Doug & Terri, June 15 2018
- Re: Out of state purchase Peter Rychel, June 15 2018
- Re: Out of state purchase Doug & Terri, June 15 2018
- Re: Out of state purchase Grahame Reinthal, June 16 2018
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Re: Out of state purchase Martin Stark, June 15 2018
- Re: Out of state purchase pbennett, June 16 2018
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