[DeTomaso] Battery Power Loss

michael@michaelshortt.com michaelsavga at gmail.com
Mon Jan 3 18:12:23 EST 2011


There are several multimeter tutorials on you tube.  Michael Shortt
On Jan 3, 2011 6:00 PM, "sean mundy" <seanmundy at hotmail.com> wrote:
>
> Sounds easy. Thanks Doug!!
>
>> From: doug351c at gmail.com
>> To: seanmundy at hotmail.com; mikeldrew at aol.com; detomaso at realbig.com
>> Subject: RE: [DeTomaso] Battery Power Loss
>> Date: Mon, 3 Jan 2011 14:55:32 -0800
>>
>> Sean,
>>
>> Set your multimeter to its current reading mode and start out using it's
>> highest Amps scale or you may blow its internal current fuse. Disconnect
>> the negative battery cable and connect your multimeter's leads between
the
>> just removed negative battery cable and the battery's negative terminal.
>> Then get into the car with the door closed (as Mike suggests) and pull
the
>> fuses one by one.
>>
>> Doug Braun
>>
>> -----Original Message-----
>> From: detomaso-bounces at realbig.com
>> [mailto:detomaso-bounces at realbig.com]On Behalf Of sean mundy
>> Sent: Monday, January 03, 2011 2:35 PM
>> To: mikeldrew at aol.com; detomaso at realbig.com
>> Subject: Re: [DeTomaso] Battery Power Loss
>>
>>
>>
>> Thanks Mike, sounds like a good info to start with. Now I have to figure
>> out how to use a multimeter.
>>
>>
>>
>> From: MikeLDrew at aol.com
>> Date: Mon, 3 Jan 2011 17:11:58 -0500
>> Subject: Re: [DeTomaso] Battery Power Loss
>> To: seanmundy at hotmail.com; detomaso at realbig.com
>>
>>
>> In a message dated 1/3/11 14 04 9, seanmundy at hotmail.com writes:
>>
>>
>>
>> Suggestions on how/where do I begin figuring out the exact cause?
Electric
>> stuff scares me.
>>
>>
>> Frightens me no end, too.
>>
>> Bill Taylor will be able to explain this much better than I do. You can
set
>> your multimeter to register the power draw on the battery. With a helper
>> manning the multimeter, get inside the car and close the door (to
extinguish
>> the dome light). With the key turned off, there should be zero current
>> flowing, but probably, there will be, if you have an electrical 'leak'.
>> Now, one at a time, remove and replace each fuse. Eventually, if you're
>> lucky, you'll pull a fuse and the leak will drop to zero. You've now
>> isolated the fuse that is contributing to the problem.
>>
>> Then, it's a matter of isolating the various circuits on that fuse to
find
>> the culprit.
>>
>> You may find that the pull-the-fuse trick doesn't work; that would then
>> indicate that the culprit is an unfused thing. I vaguely recall hearing
>> that the alternator can fritz out and cause such a draw?
>>
>> Okay, we've rapidly reached the end of my knowledge on this topic!
Somebody
>> else, please weigh in with an actual, informed step-by-step procedure!
>>
>> Mike
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