From: m35products (m35prod@optonline.net)
Date: Fri Mar 05 2004 - 15:52:44 PST
One more thing about jumping batteries, and this applies to all vehicles,
not just milvehs:
If the jumpee is very dead, it will take a while to get its battery up to a
point where it can assist in the jumping operation. It is best to let the
jumper charge the jumpee for a few minutes, with engine running, before
trying anything. Then TURN OFF the jumper's engine, and if possible, isolate
the internal circuitry of the jumper by turning off the main switch if so
equipped. Then try to start the jumpee. This method prevents any transients
or shorts or heavy loads from getting back into the jumper's electrical
system.
a p bloom
----- Original Message -----
From: "James Shanks" <n1vbn@bit-net.com>
To: "Military Vehicles Mailing List" <mil-veh@mil-veh.org>
Sent: Friday, March 05, 2004 6:17 PM
Subject: Re: [MV] HMMWV slave problem now no power
> Another item to check BEFORE you use the slave cable again is get a vom
> meter and check each vehicle to make sure the polarity is correct at the
> slave connection. I have seen more than a fair share wired wrong...you
plug
> up to a truck wired correctly and the booster vehicle eventually dies with
> hot batteries. Don't use the slave cable anytime until you verify
polarity.
> A cheap solid state LCD vom meter from Radio Shack that fit's in your
shirt
> pocket only cost's $20.00 and can save you major headaches and only takes
a
> minute to check with a meter. Don't need any part number just walk into
> any Ratshack and ask anyone who's worked there more than six months you
> want the $20 shirt pocket vom meter. There is only one.
>
>
> If I remember right the center pin on the NATO version is
Positive
> polarity, I can't remember the polarity on the old style two pin slave
> connection.
>
> James Shanks
> n1vbn@arrl.net
> 1998 IMZ 8.103
> 1984 HD FLHT-C
>
>
> At 11:35 AM 3/3/2004, Bjorn Brandstedt wrote:
> >Chuck,
> >Loose connections are murder on regulators. Go back and make sure the
> >deuce is now in good condition.
> >
> >Check the charging voltage and the batteries themselves on the deuce and
> >let us know what you find out.
> >
> >If you disconnect the connections to a "dead" battery while the generator
> >is running, you may cause a, so called, load dump to occur, which means
> >that the generator momentarily puts out a voltage spike of over a 100
> >(hundred) volts. This spike can cause all kinds of damage to the
> >electrical system of a vehicle.
> >Bjorn
> >
> >
> >
> >>From: SETOYOTA@aol.com
> >>To: "Military Vehicles Mailing List" <mil-veh@mil-veh.org>
> >>Subject: [MV] HMMWV slave problem now no power
> >>Date: Wed, 03 Mar 2004 09:45:01 -0500
> >>
> >>Hello
> >>
> >>I was using my HMMWV to slave a M35 and have encountered a
> >>problem. While starting the deuce the HMMWV shut down and now acts as
if
> >>the batteries are dead. The wait light blinks on for a millisecond and
> >>none of the lights work. I am sure no power is getting to the starter or
> >>any of the accessories
> >>
> >>When the truck shut down the batteries were very hot and I noticed a
> >>little smoke coming from the slave receptacle. I tested the batteries
> >>and they still show 12+ volts.
> >>
> >>I have fried something I suppose. Any ideas what it could be? Maybe a
> >>ground wire. What do you think? I checked the -34 and nothing in the
> >>trouble shooting covers this. All my other TM's are locked in storage
> >>as I have been moving.
> >>
> >>Thanks
> >>Chuck Herbert
> >>
> >>===Mil-Veh is a member-supported mailing list===
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> >>To reach a human, contact <ack@mil-veh.org>
> >
> >_________________________________________________________________
> >Get business advice and resources to improve your work life, from
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> >
> >
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>
>
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